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Results 1 - 48 of 48

A $1.9,M_{odot}$ neutron star candidate in a 2-year orbit
- Virtual Journal - Volume 22, Issue 7 - article #1
- Kareem El-Badry Joshua D. Simon Henrique Reggiani Hans-Walter Rix David W. Latham Allyson Bieryla Lars A. Buchhave Sahar Shahaf Tsevi Mazeh Sukanya Chakrabarti Puragra Guhathakurta Ilya V. Ilyin
- https://arxiv.org/abs/2402.06722
An evolutionary continuum from nucleated dwarf galaxies to star clusters. (arXiv:2311.05448v1 [astro-ph.GA])
- Virtual Journal - Volume 21, Issue 44 - article #1
- Kaixiang Wang, Eric W. Peng, Chengze Liu, J. Christopher Mihos, Patrick Côté, Laura Ferrarese, Matthew A. Taylor, John P. Blakeslee, Jean-Charles Cuillandre, Pierre-Alain Duc, Puragra Guhathakurta, Stephen Gwyn, Youkyung Ko, Ariane Lançon, Sungsoon Lim, Lauren A. MacArthur, Thomas Puzia, Joel Roediger, Laura V. Sales, Rubén Sánchez-Janssen, Chelsea Spengler, Elisa Toloba, Hongxin Zhang, Mingcheng Zhu
- http://arxiv.org/abs/2311.05448
Radial oxygen and argon abundance gradients of the thin and thicker disc of Andromeda from planetary nebulae. (arXiv:2203.06428v1 [astro-ph.GA])
- Virtual Journal - Volume 20, Issue 11 - article #7
- Souradeep Bhattacharya, Magda Arnaboldi, Nelson Caldwell, Ortwin Gerhard, Chiaki Kobayashi, Johanna Hartke, Kenneth C. Freeman, Alan W. McConnachie, Puragra Guhathakurta
- http://arxiv.org/abs/2203.06428
Elemental Abundances in M31: The Kinematics and Chemical Evolution of Dwarf Spheroidal Satellite Galaxies. (arXiv:1912.02186v1 [astro-ph.GA])
- Virtual Journal - Volume 17, Issue 49 - article #2
- Evan N. Kirby (1), Karoline M. Gilbert (2, 3), Ivanna Escala (1, 4), Jennifer Wojno (3), Puragra Guhathakurta (5), Steven R. Majewski (6), Rachael L. Beaton (4, 7) ((1) Caltech, (2) Space Telescope Science Institute, (3) Johns Hopkins, (4) Princeton, (5) UC Santa Cruz, (6) University of Virginia, (7) Carnegie Observatories)
- http://arxiv.org/abs/1912.02186
Elemental Abundances in M31: A Comparative Analysis of Iron and Alpha Element Abundances in the Outer Disk, Giant Stellar Stream, and Inner Halo of M31. (arXiv:1909.00006v1 [astro-ph.GA])
- Virtual Journal - Volume 17, Issue 36 - article #3
- Ivanna Escala, Karoline M. Gilbert, Evan N. Kirby, Jennifer Wojno, Emily C. Cunningham, Puragra Guhathakurta
- http://arxiv.org/abs/1909.00006
Maximizing Science in the Era of LSST: A Community-Based Study of Needed US Capabilities. (arXiv:1610.01661v1 [astro-ph.IM])
- Virtual Journal - Volume 14, Issue 41 - article #9
- Joan Najita (NOAO), Beth Willman (LSST), Douglas P. Finkbeiner (Harvard University), Ryan J. Foley (UC Santa Cruz), Suzanne Hawley (U. Washington), Jeffrey A. Newman (U. Pittsburgh), Gregory Rudnick (U. Kansas), Joshua D. Simon (Carnegie Observatories), David Trilling (Northern Arizona U.), Rachel Street (LCOGT), Adam Bolton (NOAO), Ruth Angus (U. Oxford), Eric F. Bell (U. Michigan), Derek Buzasi (Florida Gulf Coast U.), David Ciardi (IPAC, Caltech), James R. A. Davenport (Western Washington U.), Will Dawson (LLNL), Mark Dickinson (NOAO), Alex Drlica-Wagner (Fermilab), Jay Elias (NOAO), Dawn Erb (U. Wisconsin-Milwaukee), Lori Feaga (U. Maryland), Wen-fai Fong (U. Arizona), Eric Gawiser (Rutgers), Mark Giampapa (NSO), Puragra Guhathakurta (UC Santa Cruz), Jennifer L. Hoffman (U. Denver), Henry Hsieh (Planetary Science Institute), et al. (23 additional authors not shown)
- http://arxiv.org/abs/1610.01661
Carbon Stars in the Satellites and Halo of M31
- Virtual Journal - Volume 14, Issue 35 - article #30
- Katherine Hamren, Rachael L. Beaton, Puragra Guhathakurta, Karoline M. Gilbert, Erik J. Tollerud, Martha L. Boyer, Constance M. Rockosi, Graeme H. Smith, Steven R. Majewski,, Kirsten Howley
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/828/1/15
Estimation of distances to stars with stellar parameters from LAMOST
- Virtual Journal - Volume 13, Issue 20 - article #7
- Jeffrey L. Carlin, Chao Liu, Heidi Jo Newberg, Timothy C. Beers, Li Chen, Licai Deng, Puragra Guhathakurta, Jinliang Hou, Yonghui Hou, Sebastien Lepine, Guangwei Li, A-Li Luo, Martin C. Smith, Yue Wu, Ming Yang, Brian Yanny, Haotong Zhang, Zheng Zheng
- arXiv.org - Astrophysics - Volume: 2015, Issue: 22 May
- arXiv:1505.05521 [pdf, ps, other]
Tracing the Metal-poor M31 Stellar Halo with Blue Horizontal Branch Stars
- Virtual Journal - Volume 13, Issue 13 - article #35
- Benjamin F. Williams, Julianne J. Dalcanton, Eric F. Bell, Karoline M. Gilbert, Puragra Guhathakurta, Claire Dorman, Tod R. Lauer, Anil C. Seth, Jason S. Kalirai, Philip Rosenfield, and Leo Girardi
- The Astrophysical Journal - Volume: 802, Issue: 1
- View article PDF (1.81 MB)
Carbon in Red Giants in Globular Clusters and Dwarf Spheroidal Galaxies
- Virtual Journal - Volume 13, Issue 10 - article #33
- Evan N. Kirby, Michelle Guo, Andrew J. Zhang, Michelle Deng, Judith G. Cohen, Puragra Guhathakurta, Matthew D. Shetrone, Young Sun Lee, and Luca Rizzi
- The Astrophysical Journal - Volume: 801, Issue: 2
- View article PDF (2.13 MB)
Carbon in Red Giants in Globular Clusters and Dwarf Spheroidal Galaxies
- Virtual Journal - Volume 13, Issue 4 - article #4
- Evan N. Kirby (1), Michelle Guo (2 and 3), Andrew J. Zhang (4), Michelle Deng (5), Judith G. Cohen (1), Puragra Guhathakurta (6), Matthew D. Shetrone (7), Young Sun Lee (8), Luca Rizzi (9) ((1) Caltech, (2) Irvington High School, (3) Stanford, (4) The Harker School, (5) Harvard, (6) UC Santa Cruz, (7) McDonald Observatory, (8) Chungnam National University, (9) Keck Observatory)
- arXiv.org - Astrophysics - Volume: 2015, Issue: 30 Jan
- arXiv:1501.06908 [pdf, ps, other]
Tracing the Metal-Poor M31 Stellar Halo with Blue Horizontal Branch Stars
- Virtual Journal - Volume 13, Issue 4 - article #17
- Benjamin F. Williams, Julianne J. Dalcanton, Eric F. BellKaroline M. Gilbert, Puragra Guhathakurta, Claire Dorman, Tod R. Lauer, Anil C. Seth, Jason S. Kalirai, Philip Rosenfield, Leo Girardi
- arXiv.org - Astrophysics - Volume: 2015, Issue: 30 Jan
- arXiv:1501.06631 [pdf, ps, other]
Global Properties of M31's Stellar Halo from the SPLASH Survey. II. Metallicity Profile
- Virtual Journal - Volume 12, Issue 24 - article #107
- Karoline M. Gilbert, Jason S. Kalirai, Puragra Guhathakurta, Rachael L. Beaton, Marla C. Geha, Evan N. Kirby, Steven R. Majewski, Richard J. Patterson, Erik J. Tollerud, James S. Bullock, Mikito Tanaka, and Masashi Chiba
- The Astrophysical Journal - Volume: 796, Issue: 2
- View article PDF (3.70 MB)
[α/Fe]Â Abundances of Four Outer M31 Halo Stars
- Virtual Journal - Volume 12, Issue 24 - article #112
- Luis C. Vargas, Karoline M. Gilbert, Marla Geha, Erik J. Tollerud, Evan N. Kirby, and Puragra Guhathakurta
- The Astrophysical Journal Letters - Volume: 797, Issue: 1
- View article PDF (554 KB)
[$α$/Fe] Abundances of Four Outer M 31 Halo Stars
- Virtual Journal - Volume 12, Issue 23 - article #28
- Luis C. Vargas (1), Karoline M. Gilbert (2), Marla C. Geha (1), Erik J. Tollerud (1), Evan N. Kirby (3), Puragra Guhathakurta (4) ((1) Yale University, (2) STSCI, (3) Caltech, (4) UC Santa Cruz)
- arXiv.org - Astrophysics - Volume: 2014, Issue: 17 Oct
- arXiv:1410.3475 [pdf, ps, other]
The Panchromatic Hubble Andromeda Treasury. V. Ages and Masses of the Year 1 Stellar Clusters
- Virtual Journal - Volume 12, Issue 18 - article #47
- Morgan Fouesneau, L. Clifton Johnson, Daniel R. Weisz, Julianne J. Dalcanton, Eric F. Bell, Luciana Bianchi, Nelson Caldwell, Dimitrios A. Gouliermis, Puragra Guhathakurta, Jason Kalirai, SÃƒÂ¸ren S. Larsen, Hans-Walter Rix, Anil C. Seth, Evan D. Skillman, and Benjamin F. Williams
- The Astrophysical Journal - Volume: 786, Issue: 2
- View article PDF (4.49 MB)
The First Hypervelocity Star from the LAMOST Survey
- Virtual Journal - Volume 12, Issue 4 - article #12
- Zheng Zheng (Utah), Heidi Jo Newberg (RPI), Timothy C. Beers (NOAO, JINA), Jeffrey L. Carlin (RPI), Licai Deng (NAOC), Carl J. Grillmair (SSC), Puragra Guhathakurta (UCSC), Sebastien Lepine (GSU), Brian Yanny (FNAL), Haotong Zhang (NAOC), Chao Liu (NAOC), Jin Ge (USTC), Yong Zhang (NIAOT)
- arXiv.org - Astrophysics - Volume: 2014, Issue: 24 Jan
- arXiv:1401.5063 [pdf, ps, other]
The Formation History of the Ultra-Faint Dwarf Galaxies
- Virtual Journal - Volume 11, Issue 40 - article #13
- Thomas M. Brown, Jason Tumlinson, Marla Geha, Evan Kirby, Don A. VandenBerg, Jason S. Kalirai, Joshua D. Simon, Roberto J. Avila, Ricardo R. Munoz, Puragra Guhathakurta, Alvio Renzini, Henry C. Ferguson, Luis C. Vargas, Mario Gennaro
- arXiv.org - Astrophysics - Volume: 2013, Issue: 4 Oct
- arXiv:1310.0824 [pdf, ps, other]
The Universal Stellar Mass-Stellar Metallicity Relation for Dwarf Galaxies
- Virtual Journal - Volume 11, Issue 40 - article #14
- Evan N. Kirby (1), Judith G. Cohen (2), Puragra Guhathakurta (3), Lucy Cheng (4 and 5), James S. Bullock (1), Anna Gallazzi (6 and 7) ((1) UC Irvine, (2) Caltech, (3) UC Santa Cruz, (4) The Harker School, San Jose, CA (5) Harvard, (6) INAF - Osservatorio Astrofisico di Arcetri, (7) Dark Cosmology Centre)
- arXiv.org - Astrophysics - Volume: 2013, Issue: 4 Oct
- arXiv:1310.0814 [pdf, ps, other]
The Stellar Initial Mass Function of Ultra-faint Dwarf Galaxies: Evidence for IMF Variations with Galactic Environment
- Virtual Journal - Volume 11, Issue 26 - article #54
- Marla Geha, Thomas M. Brown, Jason Tumlinson, Jason S. Kalirai, Joshua D. Simon, Evan N. Kirby, Don A. VandenBerg, Ricardo R. MuÃƒÂ±oz, Roberto J. Avila, Puragra Guhathakurta, and Henry C. Ferguson
- The Astrophysical Journal - Volume: 771, Issue: 1
- Abstract References Full text PDF (588 KB) Enhanced article HTML
A spectroscopic survey of Andromeda’s Western Shelf
- Virtual Journal - Volume 10, Issue 27 - article #30
- Mark A. Fardal, Puragra Guhathakurta, Karoline M. Gilbert, Erik J. Tollerud, Jason S. Kalirai, Mikito Tanaka, Rachael Beaton, Masashi Chiba, Yutaka Komiyama and Masanori Iye
- Monthly Notices of the Royal Astronomical Society - Volume: 423, Issue: 4
- Abstract Full Article (HTML)PDF(1473K)References Request Permissions
The Primeval Populations of the Ultra-faint Dwarf Galaxies
- Virtual Journal - Volume 10, Issue 27 - article #74
- Thomas M. Brown, Jason Tumlinson, Marla Geha, Evan N. Kirby, Don A. VandenBerg, Ricardo R. MuÃƒÂ±oz, Jason S. Kalirai, Joshua D. Simon, Roberto J. Avila, Puragra Guhathakurta, Alvio Renzini, and Henry C. Ferguson
- The Astrophysical Journal Letters - Volume: 753, Issue: 1
- Abstract References Full text PDF (598 KB) View as HTML
An Algorithm for Preferential Selection of Spectroscopic Targets in LEGUE
- Virtual Journal - Volume 10, Issue 25 - article #5
- 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
- Virtual Journal - Volume 10, Issue 25 - article #11
- 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]
The Primeval Populations of the Ultra-Faint Dwarf Galaxies
- Virtual Journal - Volume 10, Issue 23 - article #10
- Thomas M. Brown, Jason Tumlinson (STScI), Marla Geha (Yale), Evan N. Kirby (CalTech), Don A. VandenBerg (U. of Victoria), Ricardo R. Munoz (U. de Chile), Jason S. Kalirai (STScI), Joshua D. Simon (Carnegie), Roberto J. Avila (STScI), Puragra Guhathakurta (UCO/Lick), Alvio Renzini (INAF), Henry C. Ferguson (STScI)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 8 Jun
- arXiv:1206.0941 [pdf, ps, other]
PHAT Stellar Cluster Survey. I. Year 1 Catalog and Integrated Photometry
- Virtual Journal - Volume 10, Issue 23 - article #34
- L. Clifton Johnson, Anil C. Seth, Julianne J. Dalcanton, Nelson Caldwell, Morgan Fouesneau, Dimitrios A. Gouliermis, Paul W. Hodge, SÃƒÂ¸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, LÃƒÂ©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
Discovery of Super-Li-rich Red Giants in Dwarf Spheroidal Galaxies
- Virtual Journal - Volume 10, Issue 23 - article #38
- Evan N. Kirby, Xiaoting Fu, Puragra Guhathakurta, and Licai Deng
- The Astrophysical Journal Letters - Volume: 752, Issue: 1
- Abstract References Full text PDF (2.99 MB) View as HTML
The M31 Velocity Vector. II. Radial Orbit Towards the Milky Way and Implied Local Group Mass
- Virtual Journal - Volume 10, Issue 22 - article #17
- Roeland P. van der Marel (1), Mark Fardal (2), Gurtina Besla (3), Rachael L. Beaton (4), Sangmo Tony Sohn (1), Jay Anderson (1), Tom Brown (1), Puragra Guhathakurta (5) ((1) STScI, (2) U of Massachusetts, (3) Columbia U, (4) U of Virginia, (5) UC Santa Cruz)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 1 Jun
- arXiv:1205.6864 [pdf, ps, other]
Multi-element Abundance Measurements from Medium-resolution Spectra. III. Metallicity Distributions of Milky Way Dwarf Satellite Galaxies
- Virtual Journal - Volume 9, Issue 23 - article #29
- Evan N. Kirby, Gustavo A. Lanfranchi, Joshua D. Simon, Judith G. Cohen and Puragra Guhathakurta
- The Astrophysical Journal - Volume: 727, Issue: 2
- Abstract References Cited by Full text PDF (904 KB) View as HTML
Multi-element Abundance Measurements from Medium-resolution Spectra. IV. Alpha Element Distributions in Milky Way Satellite Galaxies
- Virtual Journal - Volume 9, Issue 23 - article #30
- Evan N. Kirby, Judith. G. Cohen, Graeme H. Smith, Steven R. Majewski, Sangmo Tony Sohn and Puragra Guhathakurta
- The Astrophysical Journal - Volume: 727, Issue: 2
- Abstract References Cited by Full text PDF (4.26 MB) View as HTML
Multi-Element Abundance Measurements from Medium-Resolution Spectra. II. Catalog of Stars in Milky Way Dwarf Satellite Galaxies
- Virtual Journal - Volume 8, Issue 48 - article #12
- Evan N. Kirby (1), Puragra Guhathakurta (2), Joshua D. Simon (3), Marla C. Geha (4), Constance M. Rockosi (2), Christopher Sneden (5), Judith G. Cohen (1), Sangmo Tony Sohn (6), Steven R. Majewski (7), Michael Siegel (8) ((1) Caltech, (2) UC Santa Cruz, (3) Carnegie Observatories, (4) Yale, (5) UT Austin, (6) STScI, (7) Univ. of Virginia, (8) Penn State)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 25 Nov
- arXiv:1011.4516 [pdf, ps, other]
Multi-Element Abundance Measurements from Medium-Resolution Spectra. III. Metallicity Distributions of Milky Way Dwarf Satellite Galaxies
- Virtual Journal - Volume 8, Issue 48 - article #13
- Evan N. Kirby (1), Gustavo A. Lanfranchi (2), Joshua D. Simon (3), Judith G. Cohen (1), Puragra Guhathakurta (4) ((1) Caltech, (2) Nucleo de Astrofisica Teorica, Universidade Cruzeiro do Sul, (3) Carnegie Observatories, (4) UC Santa Cruz)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 25 Nov
- arXiv:1011.4937 [pdf, ps, other]
Multi-Element Abundance Measurements from Medium-Resolution Spectra. IV. Alpha Element Distributions in Milky Way Dwarf Satellite Galaxies
- Virtual Journal - Volume 8, Issue 48 - article #14
- Evan N. Kirby (1), Judith G. Cohen (1), Graeme H. Smith (2), Steven R. Majewski (3), Sangmo Tony Sohn (4), Puragra Guhathakurta (2) ((1) Caltech, (2) UC Santa Cruz, (3) Univ. of Virginia, (4) STScI)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 25 Nov
- arXiv:1011.5221 [pdf, ps, other]
The SPLASH Survey: Internal Kinematics, Chemical Abundances, and Masses of the Andromeda I, II, III, VII, X, and XIV Dwarf Spheroidal Galaxies
- Virtual Journal - Volume 8, Issue 9 - article #58
- <em >Jason S. Kalirai, Rachael L. Beaton, Marla C. Geha, Karoline M. Gilbert, Puragra Guhathakurta, Evan N. Kirby, Steven R. Majewski, James C. Ostheimer, Richard J. Patterson, and Joe Wolf</em&gt,
- The Astrophysical Journal - Volume: 711, Issue: 2
- Abstract | References
Structure and Population of the Andromeda Stellar Halo from a Subaru/Suprime-Cam Survey
- Virtual Journal - Volume 7, Issue 52 - article #26
- <em >Mikito Tanaka, Masashi Chiba, Yutaka Komiyama, Puragra Guhathakurta, Jason S. Kalirai, and Masanori Iye</em&gt,
- The Astrophysical Journal - Volume: 708, Issue: 2
- Abstract | References
The SPLASH Survey: Internal Kinematics, Chemical Abundances, and Masses of the Andromeda I, II, III, VII, X, and XIV dSphs
- Virtual Journal - Volume 7, Issue 46 - article #14
- Jason S. Kalirai, Rachael L. Beaton, Marla C. Geha, Karoline M. Gilbert, Puragra Guhathakurta, Evan N. Kirby, Steven R. Majewski, James C. Ostheimer, Richard J. Patterson, Joe Wolf
- arXiv.org - Astrophysics - Volume: 2009, Issue: 13 Nov
- arXiv:0911.1998 [ps, pdf, other]
The Splash Survey: A Spectroscopic Portrait of Andromeda's Giant Southern Stream
- Virtual Journal - Volume 7, Issue 44 - article #36
- <em >Karoline M. Gilbert, Puragra Guhathakurta, Priya Kollipara, Rachael L. Beaton, Marla C. Geha, Jason S. Kalirai, Evan N. Kirby, Steven R. Majewski, and Richard J. Patterson</em&gt,
- The Astrophysical Journal - Volume: 705, Issue: 2
- Abstract | References
Multi-element Abundance Measurements from Medium-resolution Spectra. I. The Sculptor Dwarf Spheroidal Galaxy
- Virtual Journal - Volume 7, Issue 43 - article #34
- <em >Evan N. Kirby, Puragra Guhathakurta, Michael Bolte, Christopher Sneden, and Marla C. Geha</em&gt,
- The Astrophysical Journal - Volume: 705, Issue: 1
- Abstract | References
The SPLASH Survey: A Spectroscopic Analysis of the Metal-Poor, Low-Luminosity M31 dSph Satellite Andromeda X
- Virtual Journal - Volume 7, Issue 43 - article #37
- Jason S. Kalirai, Daniel B. Zucker, Puragra Guhathakurta, Marla Geha, Alexei Y. Kniazev, David Martínez-Delgado, Eric F. Bell, Eva K. Grebel, and Karoline M. Gilbert
- The Astrophysical Journal - Volume: 705, Issue: 1
- Abstract | References
Multi-Element Abundance Measurements from Medium-Resolution Spectra. I. The Sculptor Dwarf Spheroidal Galaxy
- Virtual Journal - Volume 7, Issue 38 - article #5
- Evan N. Kirby (1), Puragra Guhathakurta (1), Michael Bolte (1), Christopher Sneden (2), Marla C. Geha (3) ((1) University of California Observatories/Lick Observatory, (2) University of Texas Austin, (3) Yale University)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 18 Sep
- arXiv:0909.3092 [ps, pdf, other]
"An Era of Precision Astrophysics: Connecting Stars, Galaxies and the Universe," an Astro2010 Science White Paper
- Virtual Journal - Volume 7, Issue 8 - article #1
- Rob P. Olling, Ron J. Allen, Jay Anderson, Brian C. Chaboyer, Wendy Freedman, Puragra Guhathakurta, Kenneth Johnston, Shri Kulkarni, Sebastien Lepine, Valeri V. Makarov, Eric E. Mamajek, Alice C. Quillen, Kailash S. Sahu, Ata Sarajedini, Ed J. Shaya, Donald Terndrup, Patrick A. Young
- arXiv.org - Astrophysics - Volume: 2009, Issue: 20 Feb
- arXiv:0902.3197 [pdf]
Uncovering Extremely Metal-Poor Stars in the Milky Way's Ultra-Faint Dwarf Spheroidal Satellite Galaxies
- Virtual Journal - Volume 6, Issue 29 - article #6
- Evan N. Kirby (1), Joshua D. Simon (2), Marla Geha (3), Puragra Guhathakurta (1), Anna Frebel (4) ((1) University of California Santa Cruz/Lick Observatory, (2) California Institute of Technology, (3) Yale University, (4) University of Texas Austin/McDonald Observatory)
- arXiv.org - Astrophysics - Volume: 2008, Issue: 17 Jul
- arXiv:0807.1925 [ps, pdf, other]
Metallicity and Alpha-Element Abundance Measurement in Red Giant Stars from Medium Resolution Spectra
- Virtual Journal - Volume 6, Issue 17 - article #2
- Evan N. Kirby, Puragra Guhathakurta, Christopher Sneden
- arXiv.org - Astrophysics - Volume: 2008, Issue: 24 Apr
- arXiv:0804.3590 [ps, pdf, other]
Discovery of an extended halo of stars in the Andromeda spiral galaxy
- Virtual Journal - Volume 3, Issue 8 - article #18
- Puragra Guhathakurta, James C.Ostheimer, Karoline M.Gilbert, R.Michael Rich, Steven R.Majewski, Jasonjot S.Kalirai, David B.Reitzel, Richard J. Patterson
- arXiv - Astrophysics - February 2005
- astro-ph/0502366 [ abs , pdf ]
Detection of the Main-Sequence Turnoff of a Newly Discovered Milky Way Halo Structure in the Triangulum-Andromeda Region
- Virtual Journal - Volume 2, Issue 45 - article #24
- Steven R. Majewski, James C. Ostheimer, Helio J. Rocha-Pinto, Richard J. Patterson, Puragra Guhathakurta, and David Reitzel
- Astrophysical Journal – Vol 615, No 2 – November 2004
- ABSTRACT , FULL TEXT , PDF (3936 kB), PS
Detection of the Main Sequence Turn-off of a Newly Discovered Milky Way Halo Structure in the Triangulum-Andromeda Region
- Virtual Journal - Volume 2, Issue 23 - article #9
- Steven R. Majewski (1), James C. Ostheimer (1), Helio J. Rocha-Pinto (1), Richard J. Patterson (1), Puragra Guhathakurta (2), David Reitzel (3) ((1) University of Virginia, (2) UCO/Lick Observatory, (3) University of California, Los Angeles)
- arXiv.org - Astrophysics – June 2004
- astro-ph/0406221 [ abs , ps , pdf , other ]
The Chemical Composition Contrast between M3 and M13 Revisited: New Abundances for 28 Giant Stars in M3
- Virtual Journal - Volume 1, Issue 20 - article #21
- Christopher Sneden, Robert P. Kraft, Puragra Guhathakurta, Ruth C. Peterson, Jon P. Fulbright
- arXiv.org - Astrophysics - Mon, 24 Nov 2003 astro-ph/0311510
- [ abs , ps , pdf , other ]
Keck Spectroscopy of Red Giant Stars in the Vicinity of M31's Massive Globular Cluster G1
- Virtual Journal - Volume 1, Issue 9 - article #5
- David B. Reitzel, Puragra Guhathakurta, R. Micheal Rich
- arXiv.org - Astrophysics - Thu, 11 Sep 2003
- astro-ph/0309295 [ abs , ps , pdf , other ]

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