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Elemental abundances and classification of carbon-enhanced metal-poor stars
- Volume 7, Issue 51 - article #82
- D. M. Allen, S. G. Ryan, S. Rossi, T. C. Beers and S. A. Tsangarides
- Astronomy and Astrophysics - Volume: 548, Issue: December 2012
- http://dx.doi.org/10.1051/0004-6361/201015615
  Abstract | Full HTML | PDF (604.0 KB) | References | Online Material | Tables at CDS | NASA ADS Abstract Service
First stars XVI. STIS/HST abundances of heavy-elements in the uranium-rich star CS 31082-001
- Volume 7, Issue 49 - article #6
- C. Siqueira Mello, M. Spite, B. Barbuy, F. Spite, E. Caffau, V. Hill, S. Wanajo, F. Primas, B. Plez, R. Cayrel, J. Andersen, B. Nordström, C. Sneden, T. C. Beers, P. Bonifacio, P. François, P. Molaro
- arXiv.org - Astrophysics - Volume: 2012, Issue: 7 Dec
- arXiv:1212.0211 [pdf, other]
The Stellar Metallicity Distribution Function of the Galactic Halo from SDSS Photometry
- Volume 7, Issue 49 - article #15
- Deokkeun An, Timothy C. Beers, Jennifer A. Johnson, Marc H. Pinsonneault, Young Sun Lee, Jo Bovy, Željko Ivezić, Daniela Carollo, Matthew Newby
- arXiv.org - Astrophysics - Volume: 2012, Issue: 7 Dec
- arXiv:1211.7073 [pdf, ps, other]
The Metallicity Distribution Functions of SEGUE G and K Dwarfs: Constraints for Disk Chemical Evolution and Formation
- Volume 7, Issue 49 - article #29
- Katharine J. Schlesinger, Jennifer A. Johnson, Constance M. Rockosi, Young Sun Lee, Heather L. Morrison, Ralph SchÃ¶nrich, Carlos Allende Prieto, Timothy C. Beers, Brian Yanny, Paul Harding, DonaldÂ P. Schneider, Cristina Chiappini, Luiz N. da Costa, Marcio A. G. Maia, Ivan Minchev, Helio Rocha-Pinto, and BasÃlio X. Santiago
- The Astrophysical Journal - Volume: 761, Issue: 2
- Abstract References Full text PDF (4.31 MB) View as HTML
The Panchromatic Hubble Andromeda Treasury. III. Measuring Ages and Masses of Partially Resolved Stellar Clusters
- Volume 7, Issue 48 - article #12
- Lori C. Beerman, L. Clifton Johnson, Morgan Fouesneau, Julianne J. Dalcanton, Daniel R. Weisz, Anil C. Seth, Ben F. Williams, Eric F. Bell, Luciana C. Bianchi, Nelson Caldwell, Andrew E. Dolphin, Dimitrios A. Gouliermis, Jason S. Kalirai, SÃ¸ren S. Larsen, Jason L. Melbourne, Hans-Walter Rix, and Evan D. Skillman
- The Astrophysical Journal - Volume: 760, Issue: 2
- Abstract References Full text PDF (3.58 MB) View as HTML
The Most Metal-Poor Stars. IV. The Two Populations With [Fe/H] < -3.0
- Volume 7, Issue 46 - article #15
- John E. Norris, David Yong, M. S. Bessell, N. Christlieb, M. Asplund, Gerard Gilmore, Rosemary F.G. Wyse, Timothy C. Beers, P. S. Barklem, Anna Frebel, S. G. Ryan
- arXiv.org - Astrophysics - Volume: 2012, Issue: 16 Nov
- arXiv:1211.3157 [pdf, ps, other]
A Catalog of Distance Determinations for the SEGUE K giants in the Galactic Halo
- Volume 7, Issue 45 - article #1
- Xiang-Xiang Xue, Zhibo Ma, Hans-Walter Rix, Heather L. Morrison, Paul Harding, Timothy C. Beers, Inese I. Ivans, Heather R. Jacobson, Jennifer Johnson, Young Sun Lee, Sara Lucatello, Constance M. Rockosi, Jennifer S. Sobeck, Brian Yanny
- arXiv.org - Astrophysics - Volume: 2012, Issue: 9 Nov
- arXiv:1211.0549 [pdf, ps, other]
The Milky Way's Circular-velocity Curve between 4 and 14 kpc from APOGEE data
- Volume 7, Issue 44 - article #23
- Jo Bovy, Carlos Allende Prieto, Timothy C. Beers, Dmitry Bizyaev, Luiz N. da Costa, Katia Cunha, Garrett L. Ebelke, Daniel J. Eisenstein, Peter M. Frinchaboy, Ana Elia GarcÃa PÃ©rez, LÃ©o Girardi, Fred R. Hearty, David W. Hogg, Jon Holtzman, Marcio A. G. Maia, Steven R. Majewski, Elena Malanushenko, Viktor Malanushenko, Szabolcs MÃ©szÃ¡ros, David L. Nidever, Robert W. O'Connell, Christine O'Donnell, Audrey Oravetz, Kaike Pan, Helio J. Rocha-Pinto, Ricardo P. Schiavon, Donald P. Schneider, Mathias Schultheis, Michael Skrutskie, Verne V. Smith, David H. Weinberg, John C. Wilson, and Gail Zasowski
- The Astrophysical Journal - Volume: 759, Issue: 2
- Abstract References Full text PDF (2.38 MB) View as HTML
New Hubble Space Telescope Observations of Heavy Elements in Four Metal-Poor Stars
- Volume 7, Issue 43 - article #6
- Ian U. Roederer, James E. Lawler, Jennifer S. Sobeck, Timothy C. Beers, John J. Cowan, Anna Frebel, Inese I. Ivans, Hendrik Schatz, Christopher Sneden, Ian B. Thompson
- arXiv.org - Astrophysics - Volume: 2012, Issue: 26 Oct
- arXiv:1210.6387 [pdf, ps, other]
Elemental abundances and classification of CEMP stars
- Volume 7, Issue 42 - article #3
- Dinah M. Allen, Sean G. Ryan, Silvia Rossi, Tim C. Beers, Stelios A. Tsangarides
- arXiv.org - Astrophysics - Volume: 2012, Issue: 19 Oct
- arXiv:1210.5009 [pdf, ps, other]
High-Resolution Spectroscopy of Extremely Metal-Poor Stars from SDSS/SEGUE: I. Atmospheric Parameters and Chemical Compositions
- Volume 7, Issue 41 - article #4
- Wako Aoki, Timothy C. Beers, Young Sun Lee, Satoshi Honda, Hiroko Ito, Masahide Takada-Hidai, Anna Frebel, Takuma Suda, Masatuki Y. Fujimoto, Daniela Carollo, Thirupathi Sivarani
- arXiv.org - Astrophysics - Volume: 2012, Issue: 12 Oct
- arXiv:1210.1946 [pdf, ps, other]
The Milky Way's circular velocity curve between 4 and 14 kpc from APOGEE data
- Volume 7, Issue 36 - article #15
- Jo Bovy (IAS), Carlos Allende Prieto, Timothy C. Beers, Dmitry Bizyaev, Luiz N. da Costa, Katia Cunha, Garrett L. Ebelke, Daniel J. Eisenstein, Peter M. Frinchaboy, Ana Elia García Pérez, Léo Girardi, Fred R. Hearty, David W. Hogg, Jon Holtzman, Marcio A. G. Maia, Steven R. Majewski, Elena Malanushenko, Viktor Malanushenko, Szabolcs Mészáros, David L. Nidever, Robert W. O'Connell, Christine O'Donnell, Audrey Oravetz, Kaike Pan, Helio J. Rocha-Pinto, Ricardo P. Schiavon, Donald P. Schneider, Mathias Schultheis, Michael Skrutskie, Verne V. Smith, David H. Weinberg, John C. Wilson, Gail Zasowski
- arXiv.org - Astrophysics - Volume: 2012, Issue: 7 Sep
- arXiv:1209.0759 [pdf, ps, other]
The Most Metal-Poor Stars. I. Discovery, Data, and Atmospheric Parameters
- Volume 7, Issue 33 - article #12
- John E. Norris, M. S. Bessell, David Yong, N. Christlieb, P. S. Barklem, M. Asplund, Simon J. Murphy, Timothy C. Beers, Anna Frebel, S. G. Ryan
- arXiv.org - Astrophysics - Volume: 2012, Issue: 17 Aug
- arXiv:1208.2999 [pdf, ps, other]
The Most Metal-Poor Stars. II. Chemical Abundances of 190 Metal-Poor Stars Including 10 New Stars With [Fe/H] < -3.5
- Volume 7, Issue 33 - article #13
- David Yong, John E. Norris, M. S. Bessell, N. Christlieb, M. Asplund, Timothy C. Beers, P. S. Barklem, Anna Frebel, S. G. Ryan
- arXiv.org - Astrophysics - Volume: 2012, Issue: 17 Aug
- arXiv:1208.3003 [pdf, ps, other]
The Most Metal-Poor Stars. III. The Metallicity Distribution Function and CEMP Fraction
- Volume 7, Issue 33 - article #14
- David Yong, John E. Norris, M. S. Bessell, N. Christlieb, M. Asplund, Timothy C. Beers, P. S. Barklem, Anna Frebel, S. G. Ryan
- arXiv.org - Astrophysics - Volume: 2012, Issue: 17 Aug
- arXiv:1208.3016 [pdf, ps, other]
The Vertical Motions of Mono-abundance Sub-populations in the Milky Way Disk
- Volume 7, Issue 33 - article #28
- Jo Bovy, Hans-Walter Rix, David W. Hogg, Timothy C. Beers, Young Sun Lee, and Lan Zhang
- The Astrophysical Journal - Volume: 755, Issue: 2
- Abstract References Full text PDF (1.75 MB) View as HTML
A New CEMP-s RR Lyrae Star
- Volume 7, Issue 33 - article #30
- T. D. Kinman, Wako Aoki, Timothy C. Beers, and Warren R. Brown
- The Astrophysical Journal Letters - Volume: 755, Issue: 1
- Abstract References Full text PDF (216 KB) View as HTML
The Ninth Data Release of the Sloan Digital Sky Survey: First Spectroscopic Data from the SDSS-III Baryon Oscillation Spectroscopic Survey
- Volume 7, Issue 31 - article #15
- SDSS-III Collaboration: Christopher P. Ahn, Rachael Alexandroff, Carlos Allende Prieto, Scott F. Anderson, Timothy Anderton, Brett H. Andrews, Éric Aubourg Stephen Bailey, Rory Barnes, Julian Bautista, Timothy C. Beers, Alessandra Beifiori, Andreas A. Berlind, Vaishali Bhardwaj, Dmitry Bizyaev, Cullen H. Blake, Michael R. Blanton, Michael Blomqvist, John J. Bochanski, Adam S. Bolton, Arnaud Borde, Jo Bovy, W. N. Brandt, J. Brinkmann, Peter J. Brown, Joel R. Brownstein, Kevin Bundy, N. G. Busca, William Carithers, Aurelio R. Carnero, Michael A. Carr, Dana I. Casetti-Dinescu, Yanmei Chen, Cristina Chiappini, Johan Comparat, Natalia Connolly, Justin R. Crepp, Stefano Cristiani, Rupert A.C. Croft, Antonio J. Cuesta, Luiz N. da Costa, James R. A. Davenport, Kyle S. Dawson, Roland de Putter, et al. (183 additional authors not shown)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 3 Aug
- arXiv:1207.7137 [pdf, ps, other]
Vertical density waves in the Milky Way disc induced by the Sagittarius Dwarf Galaxy
- Volume 7, Issue 29 - article #17
- Facundo A. Gómez, Ivan Minchev, Brian W. O'Shea, Timothy C. Beers, James S. Bullock, Chris W. Purcell
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Jul
- arXiv:1207.3083 [pdf, other]
Signatures of minor mergers in the Milky Way disc – I. The SEGUE stellar sample
- Volume 7, Issue 27 - article #26
- Facundo A. Gómez, Ivan Minchev, Brian W. O’Shea, Young Sun Lee, Timothy C. Beers, Deokkeun An, James S. Bullock, Chris W. Purcell and Álvaro Villalobos
- Monthly Notices of the Royal Astronomical Society - Volume: 423, Issue: 4
- Abstract Full Article (HTML)PDF(1628K)References Request Permissions
An Algorithm for Preferential Selection of Spectroscopic Targets in LEGUE
- Volume 7, Issue 25 - article #3
- Jeffrey L. Carlin, Sebastien Lepine, Heidi Jo Newberg, Licai Deng, Timothy C. Beers, Yuqin Chen, Norbert Christlieb, Xiaoting Fu, Shuang Gao, Carl J. Grillmair, Puragra Guhathakurta, Zhanwen Han, Jinliang Hou, Hsu-Tai Lee, Jing Li, Chao Liu, Xiaowei Liu, Kaike Pan, J. A. Sellwood, Hongchi Wang, Fan Yang, Brian Yanny, Yueyang Zhang, Zheng Zheng, Zi Zhu
- arXiv.org - Astrophysics - Volume: 2012, Issue: 22 Jun
- arXiv:1206.3577 [pdf, ps, other]
LAMOST Experiment for Galactic Understanding and Exploration (LEGUE) The survey science plan
- Volume 7, Issue 25 - article #7
- Licai Deng, Heidi Jo Newberg, Chao Liu, Jeffrey L. Carlin, Timothy C. Beers, Li Chen, Yuqin Chen, Norbert Christlieb, Carl J. Grillmair, Puragra Guhathakurta, Zhanwen Han, Jinliang Hou, Tsu-Tai Lee, Sébastien Lépine, Jing Li, Xiaowei Liu, Kaike Pan, J. A. Sellwood, Hongchi Wang, Fan Yang, Brian Yanny, Haotong Zhang, Yueyang Zhang, Zheng Zheng, Zi Zhu
- arXiv.org - Astrophysics - Volume: 2012, Issue: 22 Jun
- arXiv:1206.3578 [pdf, ps, other]
A Short Scale Length for the α-enhanced Thick Disk of the Milky Way: Evidence from Low-latitude SEGUE Data
- Volume 7, Issue 23 - article #16
- Judy Y. Cheng, Constance M. Rockosi, Heather L. Morrison, Young Sun Lee, Timothy C. Beers, Dmitry Bizyaev, Paul Harding, Elena Malanushenko, Viktor Malanushenko, Daniel Oravetz, Kaike Pan, Katharine J. Schlesinger, Donald P. Schneider, Audrey Simmons, and Benjamin A. Weaver
- The Astrophysical Journal - Volume: 752, Issue: 1
- Abstract References Full text PDF (4.76 MB) View as HTML
Stellar Archaeology in the Galactic Halo with the Ultra-faint Dwarfs. VI. Ursa Major II
- Volume 7, Issue 23 - article #17
- M. Dall'Ora, Karen Kinemuchi, Vincenzo Ripepi, Christopher T. Rodgers, Gisella Clementini, Luca Di Fabrizio, Horace A. Smith, Marcella Marconi, Ilaria Musella, Claudia Greco, Charles A. Kuehn, MÃ¡rcio Catelan, Barton J. Pritzl, and Timothy C. Beers
- The Astrophysical Journal - Volume: 752, Issue: 1
- Abstract References Full text PDF (792 KB) HTML with Enhancements
PHAT Stellar Cluster Survey. I. Year 1 Catalog and Integrated Photometry
- Volume 7, Issue 23 - article #22
- L. Clifton Johnson, Anil C. Seth, Julianne J. Dalcanton, Nelson Caldwell, Morgan Fouesneau, Dimitrios A. Gouliermis, Paul W. Hodge, SÃ¸ren S. Larsen, Knut A. G. Olsen, Izaskun San Roman, Ata Sarajedini, Daniel R. Weisz, Benjamin F. Williams, Lori C. Beerman, Luciana Bianchi, Andrew E. Dolphin, LÃ©o Girardi, Puragra Guhathakurta, Jason Kalirai, Dustin Lang, Antonela Monachesi, Sanjay Nanda, Hans-Walter Rix, and Evan D. Skillman
- The Astrophysical Journal - Volume: 752, Issue: 2
- Abstract References Full text PDF (3.73 MB) HTML with Enhancements
Lithium Abundances in Carbon-enhanced Metal-poor Stars
- Volume 7, Issue 20 - article #28
- Thomas Masseron, Jennifer A. Johnson, Sara Lucatello, Amanda Karakas, Bertrand Plez, Timothy C. Beers, and Norbert Christlieb
- The Astrophysical Journal - Volume: 751, Issue: 1
- Abstract References Full text PDF (1.01 MB) View as HTML
A Short Scale Length for the α-Enhanced Thick Disk of the Milky Way: Evidence from Low-Latitude SEGUE Data
- Volume 7, Issue 17 - article #3
- Judy Y. Cheng, Constance M. Rockosi, Heather L. Morrison, Young Sun Lee, Timothy C. Beers, Dmitry Bizyaev, Paul Harding, Elena Malanushenko, Viktor Malanushenko, Daniel Oravetz, Kaike Pan, Katharine J. Schlesinger, Donald P. Schneider, Audrey Simmons, Benjamin A. Weaver
- arXiv.org - Astrophysics - Volume: 2012, Issue: 27 Apr
- arXiv:1204.5179 [pdf, ps, other]
PHAT Stellar Cluster Survey I. Year 1 Catalog and Integrated Photometry
- Volume 7, Issue 16 - article #11
- L. Clifton Johnson, Anil C. Seth, Julianne J. Dalcanton, Nelson Caldwell, Morgan Fouesneau, Dimitrios A. Gouliermis, Paul W. Hodge, Soeren S. Larsen, Knut A. G. Olsen, Izaskun San Roman, Ata Sarajedini, Daniel R. Weisz, Benjamin F. Williams, Lori C. Beerman, Luciana Bianchi, Andrew E. Dolphin, Leo Girardi, Puragra Guhathakurta, Jason Kalirai, Dustin Lang, Antonela Monachesi, Sanjay Nanda, Hans-Walter Rix, Evan D. Skillman
- arXiv.org - Astrophysics - Volume: 2012, Issue: 20 Apr
- arXiv:1204.3091 [pdf, other]
The Case for the Dual Halo of the Milky Way
- Volume 7, Issue 15 - article #34
- Timothy C. Beers, Daniela Carollo, Å½eljko IveziÄ, Deokkeun An, Masashi Chiba, John E. Norris, Ken C. Freeman, Young Sun Lee, Jeffrey A. Munn, Paola Re Fiorentin, Thirupathi Sivarani, Ronald Wilhelm, Brian Yanny, and Donald G. York
- The Astrophysical Journal - Volume: 746, Issue: 1
- Abstract References Cited by Full text PDF (15.69 MB) View as HTML
Metallicity Gradients in the Milky Way Disk as Observed by the SEGUE Survey
- Volume 7, Issue 15 - article #38
- Judy Y. Cheng, Constance M. Rockosi, Heather L. Morrison, Ralph A. SchÃ¶nrich, Young Sun Lee, Timothy C. Beers, Dmitry Bizyaev, Kaike Pan, and Donald P. Schneider
- The Astrophysical Journal - Volume: 746, Issue: 2
- Abstract References Full text PDF (25.56 MB) View as HTML
Insight into the Formation of the Milky Way through Cold Halo Substructure. III. Statistical Chemical Tagging in the Smooth Halo
- Volume 7, Issue 14 - article #24
- Kevin C. Schlaufman, Constance M. Rockosi, Young Sun Lee, Timothy C. Beers, Carlos Allende Prieto, Valery Rashkov, Piero Madau and Dmitry Bizyaev
- The Astrophysical Journal - Volume: 749, Issue: 1
- Abstract References Full text PDF (868 KB) View as HTML
Stellar Archaeology in the Galactic halo with the Ultra-Faint Dwarfs: VI. Ursa Major II
- Volume 7, Issue 13 - article #17
- M. Dall'Ora (1), K. Kinemuchi (2), V. Ripepi (1), C.T. Rodgers (3), G. Clementini (4), L. Di Fabrizio (5), H.A.Smith (6), M. Marconi (1), I. Musella (1), C. Greco (7), C.A. Kuehn (6), M. Catelan (8), B.J. Pritzl (9), T.C. Beers (10) ((1) INAF-OACN, (2) NASA-Ames Research Center, (3) University of Wyoming, (4) INAF-OABO, (5) INAF-TNG, (6) Michigan State University, (7) Observatoire de Geneve, (8) Pontificia Universidad Catolica de Chile, (9) University of Wisconsin Oshkosh, (10) Joint Institute for Nuclear Astrophysics, Michigan State University)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 30 Mar
- arXiv:1203.5321 [pdf, ps, other]
Lithium abundances in CEMP stars
- Volume 7, Issue 11 - article #11
- T. Masseron, J. A. Johnson, S. Lucatello, A. Karakas, B. Plez, T. C. Beers, N. Christlieb
- arXiv.org - Astrophysics - Volume: 2012, Issue: 16 Mar
- arXiv:1203.3295 [pdf, ps, other]
Detection of the Second r-process Peak Element Tellurium in Metal-poor Stars
- Volume 7, Issue 10 - article #20
- Ian U. Roederer, James E. Lawler, John J. Cowan, Timothy C. Beers, Anna Frebel, Inese I. Ivans, Hendrik Schatz, Jennifer S. Sobeck and Christopher Sneden
- The Astrophysical Journal Letters - Volume: 747, Issue: 1
- Abstract References Full text PDF (258 KB) View as HTML
Detection of the Second r-process Peak Element Tellurium in Metal-Poor Stars
- Volume 7, Issue 7 - article #6
- Ian U. Roederer, James E. Lawler, John J. Cowan, Timothy C. Beers, Anna Frebel, Inese I. Ivans, Hendrik Schatz, Jennifer S. Sobeck, Christopher Sneden
- arXiv.org - Astrophysics - Volume: 2012, Issue: 17 Feb
- arXiv:1202.2378 [pdf, ps, other]
Insight Into the Formation of the Milky Way Through Cold Halo Substructure. III. Statistical Chemical Tagging in the Smooth Halo
- Volume 7, Issue 7 - article #11
- Kevin C. Schlaufman, Constance M. Rockosi, Young Sun Lee, Timothy C. Beers, Carlos Allende Prieto, Valery Rashkov, Piero Madau, Dmitry Bizyaev
- arXiv.org - Astrophysics - Volume: 2012, Issue: 17 Feb
- arXiv:1202.2360 [pdf, ps, other]
The vertical motions of mono-abundance sub-populations in the Milky Way disk
- Volume 7, Issue 7 - article #20
- Jo Bovy (IAS), Hans-Walter Rix (MPIA), David W. Hogg (NYU, MPIA), Timothy C. Beers (NOAO, Michigan State), Young Sun Lee (Michigan State), Lan Zhang (MPIA)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 17 Feb
- arXiv:1202.2819 [pdf, ps, other]
Signatures of minor mergers in the Milky Way disc I: The SEGUE G-Dwarf sample
- Volume 7, Issue 5 - article #8
- Facundo A. Gómez, Ivan Minchev, Brian W. O'Shea, Young Sun Lee, Timothy C. Beers, Deokkeun An, James S. Bullock, Chris W. Purcell, Álvaro Villalobos
- arXiv.org - Astrophysics - Volume: 2012, Issue: 3 Feb
- arXiv:1201.5898 [pdf, ps, other]
Carbon-enhanced Metal-poor Stars in the Inner and Outer Halo Components of the Milky Way
- Volume 7, Issue 2 - article #45
- Daniela Carollo, Timothy C. Beers, Jo Bovy, Thirupathi Sivarani, John E. Norris, Ken C. Freeman, Wako Aoki, Young Sun Lee and Catherine R. Kennedy
- The Astrophysical Journal - Volume: 744, Issue: 2
- Abstract References Full text PDF (31.22 MB) View as HTML
The Metallicity Distribution Functions of SEGUE G and K dwarfs: Constraints for Disk Chemical Evolution and Formation
- Volume 6, Issue 50 - article #10
- Katharine J. Schlesinger, Jennifer A. Johnson, Constance M. Rockosi, Young Sun Lee, Heather L. Morrison, Ralph Schoenrich, Carlos Allende Prieto, Timothy C. Beers, Brian Yanny, Paul Harding, Donald P. Schneider, Cristina Chiappini, Luiz N. da Costa, Marcio A.G. Maia, Ivan Minchev, Helio Rocha-Pinto, Basilio X. Santiago
- arXiv.org - Astrophysics - Volume: 2011, Issue: 16 Dec
- arXiv:1112.2214 [pdf, ps, other]
The Binary Frequency of r-Process-element-enhanced Metal-poor Stars and Its Implications: Chemical Tagging in the Primitive Halo of the Milky Way
- Volume 6, Issue 49 - article #26
- Terese Hansen, Johannes Andersen, Birgitta NordstrÃ¶m, Lars A. Buchhave and Timothy C. Beers
- The Astrophysical Journal Letters - Volume: 743, Issue: 1
- Abstract References Full text PDF (236 KB) View as HTML
Milky Way Tomography IV: Dissecting Dust
- Volume 6, Issue 47 - article #11
- Michael Berry, Željko Ivezić, Branimir Sesar, Mario Jurić, Edward F. Schlafly, Jillian Bellovary, Douglas Finkbeiner, Dijana Vrbanec, Timothy C. Beers, Keira J. Brooks, Donald P. Schneider, Robert R. Gibson, Amy Kimball, Lynne Jones, Peter Yoachim, Simon Krughoff, Andrew J. Connolly, Sarah Loebman, Nicholas A. Bond, David Schlegel, Julianne Dalcanton, Brian Yanny, Steven R. Majewski, Gillian R. Knapp, James E. Gunn, J. Allyn Smith, Masataka Fukugita, Steve Kent, John Barentine, Jurek Krzesinski, Dan Long
- arXiv.org - Astrophysics - Volume: 2011, Issue: 24 Nov
- arXiv:1111.4985 [pdf, ps, other]
The Chemical Abundances of Stars in the Halo (CASH) Project. II. A Sample of 14 Extremely Metal-poor Stars
- Volume 6, Issue 47 - article #22
- Julie K. Hollek, Anna Frebel, Ian U. Roederer, Christopher Sneden, Matthew Shetrone, Timothy C. Beers, Sung-ju Kang and Christopher Thom
- The Astrophysical Journal - Volume: 742, Issue: 1
- Abstract References Full text PDF (1.32 MB) HTML with Enhancements
The spatial structure of mono-abundance sub-populations of the Milky Way disk
- Volume 6, Issue 45 - article #16
- Jo Bovy (IAS), Hans-Walter Rix (MPIA), Chao Liu (MPIA), David W. Hogg (NYU, MPIA), Timothy C. Beers (NOAO, Michigan State), Young Sun Lee (Michigan State)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 11 Nov
- arXiv:1111.1724 [pdf, ps, other]
Metallicity Gradients in the Milky Way Disk as Observed by the SEGUE Survey
- Volume 6, Issue 43 - article #14
- Judy Y. Cheng, Constance M. Rockosi, Heather L. Morrison, Ralph A. Schönrich, Young Sun Lee, Timothy C. Beers, Dmitry Bizyaev, Kaike Pan, Donald P. Schneider
- arXiv.org - Astrophysics - Volume: 2011, Issue: 28 Oct
- arXiv:1110.5933 [pdf, other]
The Binary Frequency of r-Process-Element Enhanced Metal-Poor Stars and its Implications: Chemical Tagging in the Primitive Halo of the Milky Way
- Volume 6, Issue 42 - article #14
- Terese Hansen, Johannes Andersen, Birgitta Nordström, Lars A. Buchhave, Timothy C. Beers
- arXiv.org - Astrophysics - Volume: 2011, Issue: 21 Oct
- arXiv:1110.4536 [pdf, ps, other]
Searches for Metal-Poor Stars from the Hamburg/ESO Survey using the CH G-band
- Volume 6, Issue 38 - article #15
- Vinicius M. Placco, Catherine R. Kennedy, Timothy C. Beers, Norbert Christlieb, Silvia Rossi, Thirupathi Sivarani, Young Sun Lee, Dieter Reimers, Lutz Wisotzki
- arXiv.org - Astrophysics - Volume: 2011, Issue: 23 Sep
- arXiv:1109.3993 [pdf, ps, other]
The Southern Proper Motion Program. IV. The SPM4 Catalog
- Volume 6, Issue 37 - article #16
- Terrence M. Girard, William F. van Altena, Norbert Zacharias, Katherine Vieira, Dana I. Casetti-Dinescu, Danilo Castillo, David Herrera, Young Sun Lee, Timothy C. Beers, David G. Monet and Carlos E. LÃ³pez
- Astronomical Journal - Volume: 142, Issue: 1
- doi:10.1088/0004-6256/142/1/15 Tag this article
SDSS-III: Massive Spectroscopic Surveys of the Distant Universe, the Milky Way, and Extra-Solar Planetary Systems
- Volume 6, Issue 37 - article #26
- Daniel J. Eisenstein, David H. Weinberg, Eric Agol, Hiroaki Aihara, Carlos Allende Prieto, Scott F. Anderson, James A. Arns, Ãric Aubourg, Stephen Bailey, Eduardo Balbinot, Robert Barkhouser, Timothy C. Beers, Andreas A. Berlind, Steven J. Bickerton, Dmitry Bizyaev, Michael R. Blanton, John J. Bochanski, Adam S. Bolton, Casey T. Bosman, Jo Bovy, W. N. Brandt, Ben Breslauer, Howard J. Brewington, J. Brinkmann, Peter J. Brown, Joel R. Brownstein, Dan Burger, Nicolas G. Busca, Heather Campbell, Phillip A. Cargile, William C. Carithers, Joleen K. Carlberg, Michael A. Carr, Liang Chang, Yanmei Chen, Cristina Chiappini, Johan Comparat, Natalia Connolly, Marina Cortes, Rupert A. C. Croft, Katia Cunha, Luiz N. da Costa, James R. A. Davenport, Kyle Dawson, Nathan De Lee, Gustavo F. Porto de Mello, Fernando de Simoni, Janice Dean, Saurav Dhital, Anne Ealet, Garrett L. Ebelke, Edward M. Edmondson, Jacob M. Eiting, Stephanie Escoffier, Massimiliano Esposito, Michael L. Evans, Xiaohui Fan, Bruno FemenÃa CastellÃ¡, Leticia Dutra Ferreira, Greg Fitzgerald, Scott W. Fleming, Andreu Font-Ribera, Eric B. Ford, Peter M. Frinchaboy, Ana Elia GarcÃa PÃ©rez, B. Scott Gaudi, Jian Ge, Luan Ghezzi, Bruce A. Gillespie, G. Gilmore, LÃ©o Girardi, J. Richard Gott, Andrew Gould, Eva K. Grebel, James E. Gunn, Jean-Christophe Hamilton, Paul Harding, David W. Harris, Suzanne L. Hawley, Frederick R. Hearty, Joseph F. Hennawi, Jonay I. GonzÃ¡lez HernÃ¡ndez, Shirley Ho, David W. Hogg, Jon A. Holtzman, Klaus Honscheid, Naohisa Inada, Inese I. Ivans, Linhua Jiang, Peng Jiang, Jennifer A. Johnson, Cathy Jordan, Wendell P. Jordan, Guinevere Kauffmann, Eyal Kazin, David Kirkby, Mark A. Klaene, G. R. Knapp, Jean-Paul Kneib, C. S. Kochanek, Lars Koesterke, Juna A. Kollmeier, Richard G. Kron, Hubert Lampeitl, Dustin Lang, James E. Lawler, Jean-Marc Le Goff, Brian L. Lee, Young Sun Lee, Jarron M. Leisenring, Yen-Ting Lin, Jian Liu, Daniel C. Long, Craig P. Loomis, Sara Lucatello, Britt Lundgren, Robert H. Lupton, Bo Ma, Zhibo Ma, Nicholas MacDonald, Claude Mack, Suvrath Mahadevan, Marcio A. G. Maia, Steven R. Majewski, Martin Makler, Elena Malanushenko, Viktor Malanushenko, Rachel Mandelbaum, Claudia Maraston, Daniel Margala, Paul Maseman, Karen L. Masters, Cameron K. McBride, Patrick McDonald, Ian D. McGreer, Richard G. McMahon, Olga Mena Requejo, Brice MÃ©nard, Jordi Miralda-EscudÃ©, Heather L. Morrison, Fergal Mullally, Demitri Muna, Hitoshi Murayama, Adam D. Myers, Tracy Naugle, Angelo Fausti Neto, Duy Cuong Nguyen, Robert C. Nichol, David L. Nidever, Robert W. O'Connell, Ricardo L. C. Ogando, Matthew D. Olmstead, Daniel J. Oravetz, Nikhil Padmanabhan, Martin Paegert, Nathalie Palanque-Delabrouille, Kaike Pan, Parul Pandey, John K. Parejko, Isabelle PÃ¢ris, Paulo Pellegrini, Joshua Pepper, Will J. Percival, Patrick Petitjean, Robert Pfaffenberger, Janine Pforr, Stefanie Phleps, Christophe Pichon, Matthew M. Pieri, Francisco Prada, Adrian M. Price-Whelan, M. Jordan Raddick, Beatriz H. F. Ramos, I. Neill Reid, Celine Reyle, James Rich, Gordon T. Richards, George H. Rieke, Marcia J. Rieke, Hans-Walter Rix, Annie C. Robin, Helio J. Rocha-Pinto, Constance M. Rockosi, Natalie A. Roe, Emmanuel Rollinde, Ashley J. Ross, Nicholas P. Ross, Bruno Rossetto, Ariel G. SÃ¡nchez, Basilio Santiago, Conor Sayres, Ricardo Schiavon, David J. Schlegel, Katharine J. Schlesinger, Sarah J. Schmidt, Donald P. Schneider, Kris Sellgren, Alaina Shelden, Erin Sheldon, Matthew Shetrone, Yiping Shu, John D. Silverman, Jennifer Simmerer, Audrey E. Simmons, Thirupathi Sivarani, M. F. Skrutskie, AnÅ¾e Slosar, Stephen Smee, Verne V. Smith, Stephanie A. Snedden, Keivan G. Stassun, Oliver Steele, Matthias Steinmetz, Mark H. Stockett, Todd Stollberg, Michael A. Strauss, Alexander S. Szalay, Masayuki Tanaka, Aniruddha R. Thakar, Daniel Thomas, Jeremy L. Tinker, Benjamin M. Tofflemire, Rita Tojeiro, Christy A. Tremonti, Mariana Vargas MagaÃ±a, Licia Verde, Nicole P. Vogt, David A. Wake, Xiaoke Wan, Ji Wang, Benjamin A. Weaver, Martin White, Simon D. M. White, John C. Wilson, John P. Wisniewski, W. Michael Wood-Vasey, Brian Yanny, Naoki Yasuda, Christophe YÃ¨che, Donald G. York, Erick Young, Gail Zasowski, Idit Zehavi and Bo Zhao
- Astronomical Journal - Volume: 142, Issue: 3
- doi:10.1088/0004-6256/142/3/72 Tag this article
A Survey of CN and CH Variations in Galactic Globular Clusters from Sloan Digital Sky Survey Spectroscopy
- Volume 6, Issue 37 - article #29
- Jason P. Smolinski, Sarah L. Martell, Timothy C. Beers and Young Sun Lee
- Astronomical Journal - Volume: 142, Issue: 4
- doi:10.1088/0004-6256/142/4/126 Tag this article
Quantifying Kinematic Substructure in the Milky Way's Stellar Halo
- Volume 6, Issue 37 - article #44
- Xiang-Xiang Xue, Hans-Walter Rix, Brian Yanny, Timothy C. Beers, Eric F. Bell, Gang Zhao, JamesÂ S. Bullock, Kathryn V. Johnston, Heather Morrison, Constance Rockosi, Sergey E. Koposov, Xi Kang, Chao Liu, Ali Luo, Young Sun Lee and Benjamin A. Weaver
- The Astrophysical Journal - Volume: 738, Issue: 1
- Abstract References Cited by Full text PDF (8.99 MB) HTML with Enhancements
The [Fe/H], [C/Fe], and [α/Fe] Distributions of the Boötes I Dwarf Spheroidal Galaxy
- Volume 6, Issue 37 - article #46
- David K. Lai, Young Sun Lee, Michael Bolte, Sara Lucatello, Timothy C. Beers, Jennifer A. Johnson, Thirupathi Sivarani and Constance M. Rockosi
- The Astrophysical Journal - Volume: 738, Issue: 1
- Abstract References Full text PDF (658 KB) View as HTML
Formation and Evolution of the Disk System of the Milky Way: [α/Fe] Ratios and Kinematics of the SEGUE G-dwarf Sample
- Volume 6, Issue 37 - article #47
- Young Sun Lee, Timothy C. Beers, Deokkeun An, Å½eljko IveziÄ, Andreas Just, Constance M. Rockosi, Heather L. Morrison, Jennifer A. Johnson, Ralph SchÃ¶nrich, Jonathan Bird, Brian Yanny, Paul Harding and Helio J. Rocha-Pinto
- The Astrophysical Journal - Volume: 738, Issue: 2
- Abstract References Full text PDF (1.19 MB) View as HTML
The Chemical Abundances of Stars in the Halo (CASH) Project. II. A Sample of 16 Extremely Metal-poor Stars
- Volume 6, Issue 34 - article #16
- Julie K. Hollek (UTexas), Anna Frebel (Harvard/CfA), Ian U. Roederer (Carnegie Obs.), Christopher Sneden (UTexas), Matthew Shetrone (McDonald Obs), Timothy C. Beers (Michigan State Univ), Sung-Ju Kang (Iowa State Univ), Christopher Thom (STScI)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 26 Aug
- arXiv:1108.4422 [pdf, ps, other]
The [Fe/H], [C/Fe], and [alpha/Fe] distributions of the Bootes I Dwarf Spheroidal Galaxy
- Volume 6, Issue 24 - article #10
- David K. Lai, Young Sun Lee, Michael Bolte, Sara Lucatello, Timothy C. Beers, Jennifer A. Johnson, Thirupathi Sivarani, Constance M. Rockosi
- arXiv.org - Astrophysics - Volume: 2011, Issue: 17 Jun
- arXiv:1106.2168 [pdf, ps, other]
Spectroscopic Studies of Extremely Metal-poor Stars with the Subaru High Dispersion Spectrograph. V. The Zn-enhanced Metal-poor Star BS 16920-017
- Volume 6, Issue 23 - article #40
- Satoshi Honda, Wako Aoki, Timothy C. Beers and Masahide Takada-Hidai
- The Astrophysical Journal - Volume: 730, Issue: 2
- Abstract References Full text PDF (694 KB) View as HTML
Insight into the Formation of the Milky Way through Cold Halo Substructure. II. The Elemental Abundances of ECHOS
- Volume 6, Issue 23 - article #51
- Kevin C. Schlaufman, Constance M. Rockosi, Young Sun Lee, Timothy C. Beers and Carlos Allende Prieto
- The Astrophysical Journal - Volume: 734, Issue: 1
- Abstract References Full text PDF (3.48 MB) View as HTML
A Survey of CN and CH Variations in Galactic Globular Clusters from SDSS Spectroscopy
- Volume 6, Issue 21 - article #1
- Jason P. Smolinski, Sarah L. Martell, Timothy C. Beers, Young Sun Lee
- arXiv.org - Astrophysics - Volume: 2011, Issue: 27 May
- arXiv:1105.5378 [pdf, ps, other]
The Southern Proper Motion Program IV. The SPM4 Catalog
- Volume 6, Issue 18 - article #14
- T. M. Girard, W. F. van Altena, N. Zacharias, K. Vieira, D. I. Casetti-Dinescu, D. Castillo, D. Herrera, Y. S. Lee, T. C. Beers, D. G. Monet, C. E. Lopez
- arXiv.org - Astrophysics - Volume: 2011, Issue: 6 May
- arXiv:1104.5708 [pdf, ps, other]
Formation and Evolution of the Disk System of the Milky Way: [alpha/Fe] Ratios and Kinematics of the SEGUE G-Dwarf Sample
- Volume 6, Issue 16 - article #5
- Young Sun Lee, Timothy C. Beers, Deokkeun An, Zeljko Ivezic, Andreas Just, Constance M. Rockosi, Heather L. Morrison, Jennifer A. Johnson, Ralph Schonrich, Jonathan Bird, Brian Yanny, Paul Harding, Helio J. Rocha-Pinto
- arXiv.org - Astrophysics - Volume: 2011, Issue: 22 Apr
- arXiv:1104.3114 [pdf, ps, other]
The Case for the Dual Halo of the Milky Way
- Volume 6, Issue 15 - article #15
- Timothy C. Beers (1), Daniela Carollo (2), Zeljko Ivezic (3), Deokkeun An (4), Masashi Chiba (5), John E. Norris (2), Ken C. Freeman (2), Young Sun Lee (1), Jeffrey A. Munn (6), Paola Re Fiorentin (7), Thirupathi Sivarani (8), Ronald Wilhelm (9), Brian Yanny (10), Donald G. York (11) ((1) Michigan State Univ., (2) Australian National Univ., (3) Univ. of Washington, (4) Ehwa Womans Univ., Korea, (5) Tohoku Univ., Japan, (6) USNO, (7) Torino Observatory, Italy, (8) Indian Institute of Astrophysics, Bangalore, (9) Univ. of Kentucky, (10) FermiLab, (11) Univ. of Chicago)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 15 Apr
- arXiv:1104.2513 [pdf, other]
The Eighth Data Release of the Sloan Digital Sky Survey: First Data from SDSS-III
- Volume 6, Issue 13 - article #20
- Hiroaki Aihara, Carlos Allende Prieto, Deokkeun An, Scott F. Anderson, Ãric Aubourg, Eduardo Balbinot, Timothy C. Beers, Andreas A. Berlind, Steven J. Bickerton, Dmitry Bizyaev, Michael R. Blanton, John J. Bochanski, Adam S. Bolton, Jo Bovy, W. N. Brandt, J. Brinkmann, Peter J. Brown, Joel R. Brownstein, Nicolas G. Busca, Heather Campbell, Michael A. Carr, Yanmei Chen, Cristina Chiappini, Johan Comparat, Natalia Connolly, Marina Cortes, Rupert A. C. Croft, Antonio J. Cuesta, Luiz N. da Costa, James R. A. Davenport, Kyle Dawson, Saurav Dhital, Anne Ealet, Garrett L. Ebelke, Edward M. Edmondson, Daniel J. Eisenstein, Stephanie Escoffier, Massimiliano Esposito, Michael L. Evans, Xiaohui Fan, Bruno FemenÃa CastellÃ¡, Andreu Font-Ribera, Peter M. Frinchaboy, Jian Ge, Bruce A. Gillespie, G. Gilmore, Jonay I. GonzÃ¡lez HernÃ¡ndez, J. Richard Gott, Andrew Gould, Eva K. Grebel, James E. Gunn, Jean-Christophe Hamilton, Paul Harding, David W. Harris, Suzanne L. Hawley, Frederick R. Hearty, Shirley Ho, David W. Hogg, Jon A. Holtzman, Klaus Honscheid, Naohisa Inada, Inese I. Ivans, Linhua Jiang, Jennifer A. Johnson, Cathy Jordan, Wendell P. Jordan, Eyal A. Kazin, David Kirkby, Mark A. Klaene, G. R. Knapp, Jean-Paul Kneib, C. S. Kochanek, Lars Koesterke, Juna A. Kollmeier, Richard G. Kron, Hubert Lampeitl, Dustin Lang, Jean-Marc Le Goff, Young Sun Lee, Yen-Ting Lin, Daniel C. Long, Craig P. Loomis, Sara Lucatello, Britt Lundgren, Robert H. Lupton, Zhibo Ma, Nicholas MacDonald, Suvrath Mahadevan, Marcio A. G. Maia, Martin Makler, Elena Malanushenko, Viktor Malanushenko, Rachel Mandelbaum, Claudia Maraston, Daniel Margala, Karen L. Masters, Cameron K. McBride, Peregrine M. McGehee, Ian D. McGreer, Brice MÃ©nard, Jordi Miralda-EscudÃ©, Heather L. Morrison, F. Mullally, Demitri Muna, Jeffrey A. Munn, Hitoshi Murayama, Adam D. Myers, Tracy Naugle, Angelo Fausti Neto, Duy Cuong Nguyen, Robert C. Nichol, Robert W. O'Connell, Ricardo L. C. Ogando, Matthew D. Olmstead, Daniel J. Oravetz, Nikhil Padmanabhan, Nathalie Palanque-Delabrouille, Kaike Pan, Parul Pandey, Isabelle PÃ¢ris, Will J. Percival, Patrick Petitjean, Robert Pfaffenberger, Janine Pforr, Stefanie Phleps, Christophe Pichon, Matthew M. Pieri, Francisco Prada, Adrian M. Price-Whelan, M. Jordan Raddick, Beatriz H. F. Ramos, CÃ©line ReylÃ©, James Rich, Gordon T. Richards, Hans-Walter Rix, Annie C. Robin, Helio J. Rocha-Pinto, Constance M. Rockosi, Natalie A. Roe, Emmanuel Rollinde, Ashley J. Ross, Nicholas P. Ross, Bruno M. Rossetto, Ariel G. SÃ¡nchez, Conor Sayres, David J. Schlegel, KatharineÂ J. Schlesinger, Sarah J. Schmidt, Donald P. Schneider, Erin Sheldon, Yiping Shu, Jennifer Simmerer, Audrey E. Simmons, Thirupathi Sivarani, Stephanie A. Snedden, Jennifer S. Sobeck, Matthias Steinmetz, Michael A. Strauss, Alexander S. Szalay, Masayuki Tanaka, Aniruddha R. Thakar, Daniel Thomas, Jeremy L. Tinker, Benjamin M. Tofflemire, Rita Tojeiro, Christy A. Tremonti, Jan Vandenberg, M. Vargas MagaÃ±a, Licia Verde, Nicole P. Vogt, David A. Wake, Ji Wang, BenjaminÂ A. Weaver, David H. Weinberg, Martin White, Simon D. M. White, Brian Yanny, Naoki Yasuda, Christophe Yeche and Idit Zehavi
- The Astrophysical Journal Supplement - Volume: 193, Issue: 2
- Abstract References Full text PDF (1.92 MB) View as HTML
Carbon-Enhanced Metal-Poor Stars in the Inner and Outer Halo Components of the Milky Way
- Volume 6, Issue 11 - article #2
- D. Carollo, T.C. Beers, J. Bovy, T. Sivarani, J.E. Norris, K.C. Freeman, W. Aoki, Y.S. Lee
- arXiv.org - Astrophysics - Volume: 2011, Issue: 18 Mar
- arXiv:1103.3067 [pdf, ps, other]
Mapping the Asymmetric Thick Disk. III. The Kinematics and Interaction with the Galactic Bar
- Volume 6, Issue 11 - article #9
- Roberta M. Humphreys, Timothy C. Beers, Juan E. Cabanela, Skyler Grammer, Kris Davidson, YoungÂ Sun Lee and Jeffrey A. Larsen
- Astronomical Journal - Volume: 141, Issue: 4
- doi: 10.1088/0004-6256/141/4/131 Tag this article
The SEGUE Stellar Parameter Pipeline. IV. Validation with an Extended Sample of Galactic Globular and Open Clusters
- Volume 6, Issue 7 - article #15
- Jason P. Smolinski, Young Sun Lee, Timothy C. Beers, Deokkeun An, Steven J. Bickerton, Jennifer A. Johnson, Craig P. Loomis, Constance M. Rockosi, Thirupathi Sivarani and Brian Yanny
- Astronomical Journal - Volume: 141, Issue: 3
- doi: 10.1088/0004-6256/141/3/89 Tag this article
The SEGUE Stellar Parameter Pipeline. V. Estimation of Alpha-element Abundance Ratios from Low-resolution SDSS/SEGUE Stellar Spectra
- Volume 6, Issue 7 - article #16
- Young Sun Lee, Timothy C. Beers, Carlos Allende Prieto, David K. Lai, Constance M. Rockosi, HeatherÂ L. Morrison, Jennifer A. Johnson, Deokkeun An, Thirupathi Sivarani and Brian Yanny
- Astronomical Journal - Volume: 141, Issue: 3
- doi: 10.1088/0004-6256/141/3/90 Tag this article
[O/Fe] Estimates for Carbon-enhanced Metal-poor Stars from Near-infrared Spectroscopy
- Volume 6, Issue 7 - article #19
- Catherine R. Kennedy, Thirupathi Sivarani, Timothy C. Beers, Young Sun Lee, Vinicius M. Placco, Silvia Rossi, Norbert Christlieb, Falk Herwig and Bertrand Plez
- Astronomical Journal - Volume: 141, Issue: 3
- doi: 10.1088/0004-6256/141/3/102 Tag this article
Spectroscopic Studies of Extremely Metal-Poor Stars with the Subaru High Dispersion Spectrograph. V. The Zn-Enhanced Metal-Poor Star BS 16920-017
- Volume 6, Issue 4 - article #8
- Satoshi Honda, Wako Aoki, Timothy C. Beers, Masahide Takada-Hidai
- arXiv.org - Astrophysics - Volume: 2011, Issue: 28 Jan
- arXiv:1101.4432 [pdf, ps, other]
First stars XIII. Two extremely metal-poor RR Lyrae stars?
- Volume 6, Issue 2 - article #5
- C. J. Hansen, B. Nordstroem, P. Bonifacio, M. Spite, J. Andersen, T. C. Beers, R. Cayrel, F. Spite, P. Molaro, B. Barbuy, E. Depagne, P. Francois V. Hill, B. Plez, T. Sivarani
- arXiv.org - Astrophysics - Volume: 2011, Issue: 14 Jan
- arXiv:1101.2207 [pdf, ps, other]
[O/Fe] Estimates for Carbon-Enhanced Metal-Poor Stars from Near-IR Spectroscopy
- Volume 6, Issue 2 - article #13
- Catherine R. Kennedy, Thirupathi Sivarani, Timothy C. Beers, Young Sun Lee, Vinicius M. Placco, Silvia Rossi, Norbert Christlieb, Falk Herwig, Bertrand Plez
- arXiv.org - Astrophysics - Volume: 2011, Issue: 14 Jan
- arXiv:1101.2260 [pdf, ps, other]
First Stars XIV. Sulphur abundances in extremely metal-poor (EMP) stars
- Volume 5, Issue 52 - article #6
- Monique Spite (GEPI), E. Caffau (GEPI, ZAU), S.M. Andrievsky (GEPI), S. A. Korotin, E. Depagne, F. Spite (GEPI), P. Bonifacio (GEPI), H.-G. Ludwig (ZAU), R. Cayrel (GEPI), P. Francois (GEPI), V. Hill (CASSIOPEE), B. Plez (GRAAL), J. Andersen (The Niels Bohr Institute, Astronomy Group), B. Barbuy, T. C. Beers (MSU), P. Molaro (INAF-OAT), B. Nordstrom (The Niels Bohr Institute, Astronomy Group), F. Primas (ESO)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 24 Dec
- arXiv:1012.4358 [pdf, ps, other]
Mapping the Asymmetric Thick Disk: III. The Kinematics and Interaction with the Galactic Bar
- Volume 5, Issue 50 - article #6
- Roberta M. Humphreys, Timothy C. Beers, Juan E. Cabanela, Skyler Grammer, Kris Davidson, Young Sun Lee, Jeffrey A. Larsen
- arXiv.org - Astrophysics - Volume: 2010, Issue: 10 Dec
- arXiv:1012.1580 [pdf, ps, other]
Quantifying Kinematic Substructure in the Milky Way's Stellar Halo
- Volume 5, Issue 46 - article #17
- Xiang-Xiang Xue, Hans-Walter Rix, Brian Yanny, Timothy C. Beers, Eric F. Bell, Gang Zhao, James S. Bullock, Kathryn V. Johnston, Heather Morrison, Constance Rockosi, Sergey E. Koposov, Xi Kang, Chao Liu, Ali Luo, Young Sun Lee, Benjamin. A. Weaver
- arXiv.org - Astrophysics - Volume: 2010, Issue: 12 Nov
- arXiv:1011.1925 [pdf, other]
SEGUE-2 Limits on Metal-rich Old-population Hypervelocity Stars in the Galactic Halo
- Volume 5, Issue 43 - article #19
- Juna A. Kollmeier, Andrew Gould, Constance Rockosi, Timothy C. Beers, Gillian Knapp, Jennifer A. Johnson, Heather Morrison, Paul Harding, Young Sun Lee and Benjamin A. Weaver
- The Astrophysical Journal - Volume: 723, Issue: 1
- Abstract References Full text PDF (294 KB) View as HTML
Extreme Enhancements of r-process Elements in the Cool Metal-poor Main-sequence Star SDSS J2357–0052
- Volume 5, Issue 43 - article #22
- Wako Aoki, Timothy C. Beers, Satoshi Honda and Daniela Carollo
- The Astrophysical Journal Letters - Volume: 723, Issue: 2
- Abstract References Full text PDF (276 KB) View as HTML
The SEGUE Stellar Parameter Pipeline. V. Estimation of Alpha-Element Abundance Ratios From Low-Resolution SDSS/SEGUE Stellar Spectra
- Volume 5, Issue 42 - article #19
- Young Sun Lee, Timothy C. Beers, Carlos Allende Prieto, David K. Lai, Constance M. Rockosi, Heather L. Morrison, Jennifer A. Johnson, Deokkeun An, Thirupathi Sivarani, Brian Yanny
- arXiv.org - Astrophysics - Volume: 2010, Issue: 15 Oct
- arXiv:1010.2934 [pdf, ps, other]
Extreme Enhancements of r-process Elements in the Cool Metal-Poor Main-Sequence Star SDSS J2357-0052
- Volume 5, Issue 41 - article #4
- Wako Aoki, Timothy C. Beer, Satoshi Honda, Daniela Carollo
- arXiv.org - Astrophysics - Volume: 2010, Issue: 8 Oct
- arXiv:1010.0415 [pdf, ps, other]
SEGUE-2 Limits on Metal-Rich Old-Population Hypervelocity Stars In the Galactic Halo
- Volume 5, Issue 34 - article #18
- Juna A. Kollmeier, Andrew Gould, Constance Rockosi, Timothy C. Beers, Gillian Knapp, Jennifer A. Johnson, Heather Morrison, Paul Harding, Young Sun Lee, Benjamin A. Weaver
- arXiv.org - Astrophysics - Volume: 2010, Issue: 20 Aug
- arXiv:1008.2384 [pdf, ps, other]
The stellar content of the Hamburg/ESO survey VI. The metallicity distribution of main-sequence turnoff stars in the Galactic halo
- Volume 5, Issue 26 - article #12
- H. N. Li, N. Christlieb, T. Schörck, J. E. Norris, M. S. Bessell, D. Yong, T. C. Beers, Y. S. Lee, A. Frebel, G. Zhao
- arXiv.org - Astrophysics - Volume: 2010, Issue: 25 Jun
- arXiv:1006.3985 [pdf, ps, other]
Statistical properties of blue horizontal branch stars in the spheroid: detection of a moving group sim50 kpc from the Sun
- Volume 5, Issue 26 - article #21
- Matthew J. Harrigan, Heidi Jo Newberg, Lee A. Newberg, Brian Yanny, Timothy C. Beers, Young Sun Lee, Paola Re Fiorentin
- Monthly Notices of the Royal Astronomical Society - Volume: 405, Issue: 3
- Abstract | References | Full Text: HTML, PDF (Size: 1638K)
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The Milky Way Tomography with SDSS. III. Stellar Kinematics
- Volume 5, Issue 22 - article #56
- Nicholas A. Bond, Å½eljko IveziÄ, Branimir Sesar, Mario JuriÄ, Jeffrey A. Munn, Adam Kowalski, Sarah Loebman, Rok RoÅ¡kar, Timothy C. Beers, Julianne Dalcanton, Constance M. Rockosi, Brian Yanny, Heidi J. Newberg, Carlos Allende Prieto, Ron Wilhelm, Young Sun Lee, Thirupathi Sivarani, Steven R. Majewski, John E. Norris, Coryn A. L. Bailer-Jones, Paola Re Fiorentin, David Schlegel, Alan Uomoto, Robert H. Lupton, Gillian R. Knapp, James E. Gunn, Kevin R. Covey, J. Allyn Smith, Gajus Miknaitis, Mamoru Doi, Masayuki Tanaka, Masataka Fukugita, Steve Kent, Douglas Finkbeiner, Tom R. Quinn, Suzanne Hawley, Scott Anderson, Furea Kiuchi, Alex Chen, James Bushong, Harkirat Sohi, Daryl Haggard, Amy Kimball, Rosalie McGurk, John Barentine, Howard Brewington, Mike Harvanek, Scott Kleinman, Jurek Krzesinski, Dan Long, Atsuko Nitta, Stephanie Snedden, Brian Lee, Jeffrey R. Pier, Hugh Harris, Jonathan Brinkmann, and Donald P. Schneider
- The Astrophysical Journal - Volume: 716, Issue: 1
- Abstract References Full text PDF (7.95 MB) View as HTML
Kinematic subpopulations in dwarf spheroidal galaxies
- Volume 5, Issue 20 - article #49
- Uğur Ural, Mark I. Wilkinson, Andreas Koch, Gerard Gilmore, Timothy C. Beers, Vasily Belokurov, N. Wyn Evans, Eva K. Grebel, Simon Vidrih, Daniel B. Zucker
- Monthly Notices of the Royal Astronomical Society - Volume: 402, Issue: 2
- Abstract | References | Full Text: HTML, PDF (Size: 802K)
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The metal-poor end of the Spite plateau. 1: Stellar parameters, metallicities and lithium abundances
- Volume 5, Issue 13 - article #19
- L. Sbordone (1 and 2 and 3), P. Bonifacio (1 and 2 and 4), E. Caffau (2), H.-G. Ludwig (1 and 2 and 5), N. T. Behara (1 and 2 and 6), J. I. Gonzalez Hernandez (1 and 2 and 7), M. Steffen (8), R. Cayrel (9), B. Freytag (9), C. Van't Veer (2), P. Molaro (4), B. Plez (10), T. Sivarani (11), M. Spite (2), F. Spite (2), T. C. Beers (12), N. Christlieb (5), P. Francois (2), V. Hill (2 and 13) ((1) CIFIST Marie Curie Excellence Team, (2) GEPI - Observatoire de Paris France, (3) Max Planck Institute for Astrophysics Garching Germany, (4) INAF - Oss. Trieste Italy, (5) Landessternwarte Heidelberg Germany, (6) Universite' Libre de Bruxelles Belgium, (7) Universidad Complutense de Madrid Spain, (8) Astrophysikalische Institut Pottsdam Germany, (9) Ecole Normale Superieure de Lyon France, (10) Universite' Montpellier France, (11) Indian Institute for Astrophysiscs Bangalore India, (12) Michigan State University USA, (13) Observatoire de la Cote d'Azur Nice France)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 26 Mar
- arXiv:1003.4510 [pdf, ps, other]
The Hamburg/ESO R-process Enhanced Star survey (HERES). V. Detailed abundance analysis of the r-process enhanced star HE 2327-5642
- Volume 5, Issue 12 - article #13
- L. Mashonkina, N. Christlieb, P.S. Barklem, V. Hill, T.C. Beers, A. Velichko
- arXiv.org - Astrophysics - Volume: 2010, Issue: 19 Mar
- arXiv:1003.3571 [ps, pdf, other]
Structure and Kinematics of the Stellar Halos and Thick Disks of the Milky Way Based on Calibration Stars from Sloan Digital Sky Survey DR7
- Volume 5, Issue 11 - article #20
- Daniela Carollo, Timothy C. Beers, Masashi Chiba, John E. Norris, Ken C. Freeman, Young Sun Lee, Željko Ivezić, Constance M. Rockosi, and Brian Yanny
- The Astrophysical Journal - Volume: 712, Issue: 1
- Abstract | References
Statistical Properties of Blue Horizontal Branch Stars in the Spheroid: Detection of a Moving Group approximately 50 kpc from the Sun
- Volume 5, Issue 8 - article #7
- Matthew J. Harrigan, Heidi Jo Newberg, Lee A. Newberg, Brian Yanny, Timothy C. Beers, Young Sun Lee, Paola Re Fiorentin
- arXiv.org - Astrophysics - Volume: 2010, Issue: 19 Feb
- arXiv:1002.3607 [pdf, ps, other]
A Search for Field Horizontal-Branch Stars Near the South Galactic Pole
- Volume 5, Issue 7 - article #13
- <em >R. Ortiz, R. Wilhelm, R. D. D. Costa, S. Rossi, and T. C. Beers</em&gt,
- Astronomical Journal - Volume: 139, Issue: 3
- Abstract | References
A Search for Unrecognized Carbon-Enhanced Metal-Poor Stars in the Galaxy
- Volume 5, Issue 7 - article #14
- <em >Vinicius M. Placco, Catherine R. Kennedy, Silvia Rossi, Timothy C. Beers, Young Sun Lee, Norbert Christlieb, Thirupathi Sivarani, Dieter Reimers, and Lutz Wisotzki</em&gt,
- Astronomical Journal - Volume: 139, Issue: 3
- Abstract | References
Binary Contamination in the SEGUE sample: Effects on SSPP Determinations of Stellar Atmospheric Parameters
- Volume 5, Issue 6 - article #6
- Katharine J. Schlesinger, Jennifer A. Johnson, Young Sun Lee, Thomas Masseron, Brian Yanny, Constance M. Rockosi, B. Scott Gaudi, Timothy C. Beers
- arXiv.org - Astrophysics - Volume: 2010, Issue: 5 Feb
- arXiv:1002.0001 [ps, pdf, other]
A Search for Unrecognized Carbon-Enhanced Metal-Poor Stars in the Galaxy
- Volume 5, Issue 3 - article #1
- Vinicius M. Placco, Catherine R. Kennedy, Silvia Rossi, Timothy C. Beers, Young Sun Lee, Norbert Christlieb, Thirupathi Sivarani, Dieter Reimers, Lutz Wisotzki
- arXiv.org - Astrophysics - Volume: 2010, Issue: 15 Jan
- arXiv:1001.2512 [ps, pdf, other]
Light Curve Templates and Galactic Distribution of RR Lyrae Stars from Sloan Digital Sky Survey Stripe 82
- Volume 4, Issue 51 - article #25
- Branimir Sesar, Željko Ivezić, Skyler H. Grammer, Dylan P. Morgan, Andrew C. Becker, Mario Jurić, Nathan De Lee, James Annis, Timothy C. Beers, Xiaohui Fan, Robert H. Lupton, James E. Gunn, Gillian R. Knapp, Linhua Jiang, Sebastian Jester, David E. Johnston, and Hubert Lampeitl
- The Astrophysical Journal - Volume: 708, Issue: 1
- Abstract | References
LSST Science Book, Version 2.0
- Volume 4, Issue 49 - article #13
- LSST Science Collaborations: Paul A. Abell, Julius Allison, Scott F. Anderson, John R. Andrew, J. Roger P. Angel, Lee Armus, David Arnett, S. J. Asztalos, Tim S. Axelrod, Stephen Bailey, D. R. Ballantyne, Justin R. Bankert, Wayne A. Barkhouse, Jeffrey D. Barr, L. Felipe Barrientos, Aaron J. Barth, James G. Bartlett, Andrew C. Becker, Jacek Becla, Timothy C. Beers, Joseph P. Bernstein, Rahul Biswas, Michael R. Blanton, Joshua S. Bloom, John J. Bochanski, Pat Boeshaar, Kirk D. Borne, Marusa Bradac, W. N. Brandt, Carrie R. Bridge, Michael E. Brown, Robert J. Brunner, James S. Bullock, Adam J. Burgasser, James H. Burge, David L. Burke, Phillip A. Cargile, Srinivasan Chandrasekharan, George Chartas, Steven R. Chesley, You-Hua Chu, David Cinabro, Mark W. Claire, Charles F. Claver, Douglas Clowe, et al. (201 additional authors not shown)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 4 Dec
- arXiv:0912.0201 [pdf, other]
A Photometric Metallicity Estimate of the Virgo Stellar Overdensity
- Volume 4, Issue 49 - article #33
- <em >Deokkeun An, Jennifer A. Johnson, Timothy C. Beers, Marc H. Pinsonneault, Donald M. Terndrup, Franck Delahaye, Young Sun Lee, Thomas Masseron, and Brian Yanny</em&gt,
- The Astrophysical Journal Letters - Volume: 707, Issue: 1
- Abstract | References
The stellar content of the Hamburg/ESO survey - V. The metallicity distribution function of the Galactic halo
- Volume 4, Issue 47 - article #26
- T. Schörck, N. Christlieb, J. G. Cohen, T. C. Beers, S. Shectman, I. Thompson, A. McWilliam, M. S. Bessell, J. E. Norris, J. Meléndez, S. Ramírez, D. Haynes, P. Cass, M. Hartley, K. Russell, F. Watson, F.-J. Zickgraf, B. Behnke, C. Fechner, B. Fuhrmeister, P. S. Barklem, B. Edvardsson, A. Frebel, L. Wisotzki, and D. Reimers
- Astronomy and Astrophysics - Volume: 507, Issue: 2
- Abstract | PDF file (506.8 KB) | PS file (331.7 KB)
Light Curve Templates and Galactic Distribution of RR Lyrae Stars from Sloan Digital Sky Survey Stripe 82
- Volume 4, Issue 44 - article #7
- Branimir Sesar, Zeljko Ivezic, Skyler H. Grammer, Dylan P. Morgan, Andrew C. Becker, Mario Juric, Nathan De Lee, James Annis, Timothy C. Beers, Xiaohui Fan, Robert H. Lupton, James E. Gunn, Gillian R. Knapp, Linhua Jiang, Sebastian Jester, David E. Johnston, Hubert Lampeitl
- arXiv.org - Astrophysics - Volume: 2009, Issue: 30 Oct
- arXiv:0910.4611 [ps, pdf, other]
Metallicity Mapping with gri Photometry: The Virgo Overdensity and the Halos of the Galaxy
- Volume 4, Issue 44 - article #8
- Timothy C. Beers (1,2), Deokkeun An (3), Jennifer A. Johnson (4), Marc H. Pinsonneault (4), Donald M. Terndrup (4), Franck Delahaye (5), Young Sun Lee (1,2), Thomas Masseron (4), Daniela Carollo (6,7), Brian Yanny (8) ((1) Michigan State Univ., (2) Joint Institute for Nuclear Astrophysics, (3) IPAC, Caltech, (4) Ohio State Univ., (5) CEA-Saclay, France, (6) Australian National Univ., (7) INAF, Torino, (8) Fermilab)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 30 Oct
- arXiv:0910.4731 [ps, pdf, other]
The Chemo-Dynamical History of the Milky Way as Revealed by SDSS/SEGUE
- Volume 4, Issue 44 - article #11
- Timothy C. Beers (Dept. of Physics & Astronomy, Michigan State University, and JINA: Joint Institute for Nuclear Astrophysics)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 30 Oct
- arXiv:0910.4735 [ps, pdf, other]
The Hamburg/ESO R-process Enhanced Star survey (HERES) IV. Detailed abundance analysis and age dating of the strongly r-process enhanced stars CS 29491-069 and HE 1219-0312
- Volume 4, Issue 41 - article #20
- W. Hayek, U. Wiesendahl, N. Christlieb, K. Eriksson, A.J. Korn, P.S. Barklem, V. Hill, T.C. Beers, K. Farouqi, B. Pfeiffer, K.-L. Kratz
- arXiv.org - Astrophysics - Volume: 2009, Issue: 9 Oct
- arXiv:0910.0707 [ps, pdf, other]
Structure and Kinematics of the Stellar Halos and Thick Disks of the Milky Way Based on Calibration Stars from SDSS DR7
- Volume 4, Issue 38 - article #15
- Daniela Carollo (1), Timothy C. Beers (2), Masashi Chiba (3), John E. Norris (1), Ken C. Freeman (1), Young Sun Lee (2), Zeljko Ivezic (4), Constance M. Rockosi (5), Brian Yanny (6) ((1) RSAA, ANU, Australia, (2) Michigan State Univ., (3) Tohoku Univ., Japan, (4) Univ. of Washington, (5) UC Santa Cruz, (6) FermiLab)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 18 Sep
- arXiv:0909.3019 [pdf, other]
The Hamburg/ESO R-process enhanced star survey (HERES) - IV. Detailed abundance analysis and age dating of the strongly r-process enhanced stars CS 29491–069 and HE 1219–0312
- Volume 4, Issue 38 - article #26
- W. Hayek, U. Wiesendahl, N. Christlieb, K. Eriksson, A. J. Korn, P. S. Barklem, V. Hill, T. C. Beers, K. Farouqi, B. Pfeiffer, and K.-L. Kratz
- Astronomy and Astrophysics - Volume: 504, Issue: 2
- Abstract | PDF file (381.6 KB) | PS file (295.9 KB)

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