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Results 1 - 28 of 28

Abundance Patterns of α and Neutron-capture Elements in the Helmi Stream
- Virtual Journal - Volume 19, Issue 23 - article #17
- Guilherme Limberg, Rafael M. Santucci, Silvia Rossi, Anna B. A. Queiroz, Cristina Chiappini, Stefano O. Souza, HÃƒÂ©lio D. Perottoni, Angeles PÃƒÂ©rez-Villegas,, FabrÃƒÂcia O. Barbosa
- The Astrophysical Journal Letters
- http://iopscience.iop.org/2041-8205/913/2/L28
Abundance Patterns of $alpha$ and Neutron-capture Elements in the Helmi Stream. (arXiv:2105.05958v1 [astro-ph.GA])
- Virtual Journal - Volume 19, Issue 20 - article #2
- Guilherme Limberg, Rafael M. Santucci, Silvia Rossi, Anna B. A. Queiroz, Cristina Chiappini, Stefano O. Souza, Hélio D. Perottoni, Angeles Pérez-Villegas, Fabrícia O. Barbosa
- http://arxiv.org/abs/2105.05958
Bright Metal-Poor Stars from the Hamburg/ESO Survey. II. A Chemodynamical Analysis
- Virtual Journal - Volume 15, Issue 3 - article #32
- Timothy C. Beers, Vinicius M. Placco, Daniela Carollo, Silvia Rossi, Young Sun Lee, Anna Frebel, John E. Norris, Sarah Dietz,, Thomas Masseron
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/835/1/81
Bright Metal-Poor Stars from the Hamburg/ESO Survey. II. A Chemodynamical Analysis. (arXiv:1611.03762v1 [astro-ph.SR])
- Virtual Journal - Volume 14, Issue 47 - article #2
- Timothy C. Beers, Vinicius M. Placco, Daniela Carollo, Silvia Rossi, Anna Frebel, John E. Norris, Sarah Dietz, Thomas Masseron
- http://arxiv.org/abs/1611.03762
The age structure of the Milky Way's halo. (arXiv:1607.08628v1 [astro-ph.GA])
- Virtual Journal - Volume 14, Issue 32 - article #15
- Daniela Carollo, Tim Beers, Vinicius Placco, Rafael Santucci, Pavel Denissenkov, Patricia Tissera, Geoffrey Lentner, Silvia Rossi, Young Sun Lee, Jason Tumlinson
- http://arxiv.org/abs/1607.08628
Population Studies. XIII. A New Analysis of the Bidelman-MacConnell "Weak-metal" Starsâ€”Confirmation of Metal-poor Stars in the Thick Disk of the Galaxy
- Virtual Journal - Volume 12, Issue 23 - article #134
- Timothy C. Beers, John E. Norris, Vinicius M. Placco, Young Sun Lee, Silvia Rossi, Daniela Carollo, and Thomas Masseron
- The Astrophysical Journal - Volume: 794, Issue: 1
- View article PDF (871 KB)
Population Studies. XIII. A New Analysis of the Bidelman-MacConnell "Weak-Metal" Stars - Confirmation of Metal-Poor Stars in the Thick Disk of the Galaxy
- Virtual Journal - Volume 12, Issue 21 - article #24
- Timothy C. Beers, John E. Norris, Vinicius M. Placco, Young Sun Lee, Silvia Rossi, Daniela Carollo, Thomas Masseron
- arXiv.org - Astrophysics - Volume: 2014, Issue: 15 Aug
- arXiv:1408.3165 [pdf, ps, other]
Seven New Carbon-enhanced Metal-poor RR Lyrae Stars
- Virtual Journal - Volume 12, Issue 20 - article #266
- Catherine R. Kennedy, Richard J. Stancliffe, Charles Kuehn, Timothy C. Beers, T. D. Kinman, Vinicius M. Placco, Henrique Reggiani, Silvia Rossi, and Young Sun Lee
- The Astrophysical Journal - Volume: 787, Issue: 1
- View article PDF (709 KB)
Seven New Carbon-Enhanced Metal-Poor RR Lyrae Stars
- Virtual Journal - Volume 12, Issue 14 - article #9
- Catherine R. Kennedy, Richard J. Stancliffe, Charles Kuehn, Timothy C. Beers, T. D. Kinman, Vinicius M. Placco, Henrique Reggiani, Silvia Rossi, Young Sun Lee
- arXiv.org - Astrophysics - Volume: 2014, Issue: 4 Apr
- arXiv:1404.0120 [pdf, ps, other]
Metal-poor Stars Observed with the Magellan Telescope. II. Discovery of Four Stars with [Fe/H] ≤ â€“3.5
- Virtual Journal - Volume 12, Issue 4 - article #43
- Vinicius M. Placco, Anna Frebel, Timothy C. Beers, Norbert Christlieb, Young Sun Lee, Catherine R. Kennedy, Silvia Rossi, and Rafael M. Santucci
- The Astrophysical Journal - Volume: 781, Issue: 1
- View article PDF (1.00 MB)
Metal-Poor Stars Observed with the Magellan Telescope II. Discovery of Four Stars with [Fe/H] < -3.5
- Virtual Journal - Volume 11, Issue 48 - article #7
- Vinicius M. Placco, Anna Frebel, Timothy C. Beers, Norbert Christlieb, Young Sun Lee, Catherine R. Kennedy, Silvia Rossi, Rafael M. Santucci
- arXiv.org - Astrophysics - Volume: 2013, Issue: 2 Dec
- arXiv:1311.5855 [pdf, ps, other]
Metal-poor Stars Observed with the Magellan Telescope. I. Constraints on Progenitor Mass and Metallicity of AGB Stars Undergoing s-process Nucleosynthesis
- Virtual Journal - Volume 11, Issue 23 - article #46
- Vinicius M. Placco, Anna Frebel, Timothy C. Beers, Amanda I. Karakas, Catherine R. Kennedy, Silvia Rossi, Norbert Christlieb, and Richard J. Stancliffe
- The Astrophysical Journal - Volume: 770, Issue: 2
- Abstract References Full text PDF (2.07 MB) Enhanced article HTML
Metal-Poor Stars Observed with the Magellan Telescope I. Constraints on Progenitor Mass and Metallicity of AGB Stars Undergoing s-Process Nucleosynthesis
- Virtual Journal - Volume 11, Issue 18 - article #4
- Vinicius M. Placco, Anna Frebel, Timothy C. Beers, Amanda I. Karakas, Catherine R. Kennedy, Silvia Rossi, Norbert Christlieb, Richard J. Stancliffe
- arXiv.org - Astrophysics - Volume: 2013, Issue: 3 May
- arXiv:1304.7869 [pdf, ps, other]
Elemental abundances and classification of CEMP stars
- Virtual Journal - Volume 10, Issue 42 - article #2
- 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]
Searches for Metal-Poor Stars from the Hamburg/ESO Survey using the CH G-band
- Virtual Journal - Volume 9, Issue 38 - article #18
- 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]
[O/Fe] Estimates for Carbon-enhanced Metal-poor Stars from Near-infrared Spectroscopy
- Virtual Journal - Volume 9, Issue 7 - article #28
- 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
[O/Fe] Estimates for Carbon-Enhanced Metal-Poor Stars from Near-IR Spectroscopy
- Virtual Journal - Volume 9, Issue 2 - article #10
- 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]
A Search for Unrecognized Carbon-Enhanced Metal-Poor Stars in the Galaxy
- Virtual Journal - Volume 8, Issue 7 - article #19
- <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
A Search for Unrecognized Carbon-Enhanced Metal-Poor Stars in the Galaxy
- Virtual Journal - Volume 8, Issue 3 - article #2
- 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]
Automated Determination of [Fe/H] and [C/Fe] from Low-Resolution Spectroscopy
- Virtual Journal - Volume 7, Issue 29 - article #8
- <em >Brian Marsteller, Timothy C. Beers, Sivarani Thirupathi, Silvia Rossi, Vinicius Placco, Gillian R. Knapp, Jennifer A. Johnson, and Sara Lucatello</em&gt,
- Astronomical Journal - Volume: 138, Issue: 2
- Abstract | References
Searching For s-Process-Enhanced Metal-Poor Stars
- Virtual Journal - Volume 7, Issue 28 - article #7
- Monique Cruz, Silvia Rossi, Timothy C. Beers
- arXiv.org - Astrophysics - Volume: 2009, Issue: 10 Jul
- arXiv:0907.0596 [ps, pdf, other]
Broadband UBVR_CI_C Photometry of Horizontal-Branch and Metal-poor Candidates from the HK and Hamburg/ESO Surveys. I.
- Virtual Journal - Volume 5, Issue 2 - article #1
- Timothy C. Beers, Chris Flynn, Silvia Rossi, Jesper Sommer-Larsen, Ronald Wilhelm, Brian Marsteller, Young Sun Lee, Nathan De Lee, Julie Krugler, Constantine P. Deliyannis, Andrew T. Simmons, Elisabeth Mills, Franz-Josef Zickgraf, Johan Holmberg, Anna ÃƒÂ–nehag, Anders Eriksson, Donald M. Terndrup, Samir Salim, Johannes Andersen, Birgitta NordstrÃƒÂ¶m, Norbert Christlieb, Anna Frebel, and Jaehyon Rhee
- The Astrophysical Journal Supplement - Volume168, Issue 1
- ABSTRACT, FULL TEXT WITH ENHANCEMENTS, PDF (340 kB), PS
A Catalog of Candidate Field Horizontal-Branch and A-Type Stars. III. A 2MASS-Cleaned Version
- Virtual Journal - Volume 4, Issue 41 - article #7
- Timothy C. Beers (1), Tiago Almeida, Silvia Rossi (2), Ronald Wilhelm (3), Brian Marsteller (1) ((1) Michigan State University, (2) IAG, University of Sao Paulo, Brazil, (3) Texas Tech University)
- ArXiv - Astrophysics
- astro-ph/0610282 [abs, ps, pdf, other]
Broadband UBVRI Photometry of Horizontal-Branch and Metal-Poor Candidates from the HK and Hamburg/ESO Surveys. I
- Virtual Journal - Volume 4, Issue 40 - article #11
- Timothy C. Beers, Chris Flynn, Silvia Rossi, Jesper Sommer-Larsen, Ronald Wilhelm, Brian Marsteller, YoungSun Lee, Nathan De Lee, Julie Krugler, Constantine P. Deliyannis, Franz-Josef Zickgraf, Johan Holmberg, Anna Onehag, Anders Eriksson, Donald M. Terndrup, Samir Salim, Johannes Andersen, Birgitta Nordstrom, Norbert Christlieb, Anna Frebel
- ArXiv - Astrophysics
- astro-ph/0610018 [abs, ps, pdf, other]
The Frequency of Carbon-Enhanced Metal-Poor Stars in the Galaxy from the HERES sample
- Virtual Journal - Volume 4, Issue 39 - article #9
- Sara Lucatello (INAF-OAPD), Timothy Beers (MSU/JINA), Norbert Christlieb (Hamburger Sternewarte and Uppsala University), Paul Barklem (Uppsala Univesity), Silvia Rossi (Universidade de Sao Paulo), Brian Marsteller (MSU), Thirupathi Sivarani (MSU), Young Sun Lee (MSU)
- ArXiv - Astrophysics
- astro-ph/0609730 [abs, ps, pdf, other]
Estimation Of Carbon Abundances In Metal-Poor Stars. I. Application To The Strong G-Band Stars Of Beers, Preston, And Shectman
- Virtual Journal - Volume 3, Issue 47 - article #34
- Silvia Rossi, Timothy C. Beers, Chris Sneden, Tatiana Sevastyanenko, Jaehyon Rhee, and Brian Marsteller
- Astronomical Journal – Vol. 130, Issue 6 – November 2005
- Abstract Full Text with Enhancements PDF (1139 kB)
The Metallicity Distribution Function of the Halo of the Milky Way
- Virtual Journal - Volume 3, Issue 34 - article #26
- Timothy C. Beers (1), Norbert Christlieb (2), John E. Norris (3), Michael S. Bessell (3), Ronald Wilhelm (4), Carlos Allende Prieto (5), Brian Yanny (6), Constance Rockosi (7), Heidi Jo Newberg (8), Silvia Rossi (9), Young Sun Lee (1) ((1) Dept. of Physics & Astronomy and JINA -- Joint Institute for Nuclear Astrophysics, Michigan State, (2) Hamburger Sternwarte, Univesitat Hamburg, (3) RSAA, Australian National University, (4) Texas Tech, (5) McDonald Observatory, University of Texas, (6) FermiLab, (7) UC Santa Cruz, (8) Rensselaer Polytechnic University, (9)IAG, University of Sao Paolo)
- ArXiv - Astrophysics – August 2005
- astro-ph/0508423 [ abs , ps , pdf , other ]
Estimation of Carbon Abundances in Metal-Poor Stars. I. Application to the "Strong G-band" stars of Beers, Preston, & Shectman
- Virtual Journal - Volume 3, Issue 32 - article #7
- . a05. b05 Silvia Rossi (1), Timothy C. Beers (2), Chris Sneden (3), Tatiana Sevastyanenko (2), Jaehyon Rhee (4), Brian Marsteller (2) ((1) IAG, Univ. of Sao Paulo, Brazil, (2) Dept. of Physics & Astronomy and JINA -- Joint Institute for Nuclear Astrophysics, Michigan State Univesity (3) Dept. of Astronomy, Univ. of Texas, (4) Center for Space Astrophysics, Yonsei University, Korea, and Space Astrophysics Laboratory, Caltech)
- ArXiv - Astrophysics – August 2005
- astro-ph/0508202 [ abs , ps , pdf , other ]

Results 1 - 28 of 28

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