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Results 1 - 96 of 96

Eridanus III and DELVE 1: Carbon-rich Primordial Star Clusters or the Smallest Dwarf Galaxies?
- Volume 19, Issue 42 - article #4
- Joshua D. Simon, Ting S. Li, Alexander P. Ji, Andrew B. Pace, Terese T. Hansen, William Cerny, Ivanna Escala, Sergey E. Koposov, Alex Drlica-Wagner, Sidney Mau, Evan N. Kirby
- https://arxiv.org/abs/2410.08276
Elemental Abundances in And XIX from Coadded Spectra
- Volume 19, Issue 36 - article #7
- L. R. Cullinane, Karoline M. Gilbert, Ivanna Escala, J. Leigh Wojno, Evan N. Kirby, Kateryna A. Kvasova, Erik Tollerud, Michelle L. M. Collins, R. Michael Rich
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ad5f2e
Uncertainty of Line-of-sight Velocity Measurements of Faint Stars from Low- and Medium-resolution Optical Spectra
- Volume 19, Issue 33 - article #6
- LÃ¡szlÃ³ Dobos, Alexander S. Szalay, TamÃ¡s BudavÃ¡ri, Evan N. Kirby, Robert H. Lupton, Rosemary F. G. Wyse
- Astronomical Journal
- https://doi.org/10.3847/1538-3881/ad5adf
Chemo-dynamical Evolution of Simulated Satellites for a Milky Way–like Galaxy
- Volume 19, Issue 31 - article #5
- Yutaka Hirai, Evan N. Kirby, Masashi Chiba, Kohei Hayashi, Borja Anguiano, Takayuki R. Saitoh, Miho N. Ishigaki, Timothy C. Beers
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ad500c
Chemo-dynamical Evolution of Simulated Satellites for a Milky Way-like Galaxy
- Volume 19, Issue 19 - article #1
- Yutaka Hirai, Evan N. Kirby, Masashi Chiba, Kohei Hayashi, Borja Anguiano, Takayuki R. Saitoh, Miho N. Ishigaki, Timothy C. Beers
- https://arxiv.org/abs/2405.05330
LAMOST J1010+2358 is not a Pair-Instability Supernova Relic
- Volume 19, Issue 18 - article #2
- Pierre N. Thibodeaux, Alexander P. Ji, William Cerny, Evan N. Kirby, Joshua D. Simon
- https://arxiv.org/abs/2404.17078
r-process Abundance Patterns in the Globular Cluster M92
- Volume 18, Issue 44 - article #16
- Evan N. Kirby, Alexander P. Ji, Mikhail Kovalev
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/acf309
r-process Abundance Patterns in the Globular Cluster M92. (arXiv:2308.10980v1 [astro-ph.SR])
- Volume 18, Issue 34 - article #3
- Evan N. Kirby (1), Alexander P. Ji (2), Mikhail Kovalev (3) ((1) University of Notre Dame, (2) University of Chicago, (3) Yunnan Observatories)
- http://arxiv.org/abs/2308.10980
HALO7D. III. Chemical Abundances of Milky Way Halo Stars from Medium-resolution Spectra
- Volume 18, Issue 27 - article #6
- Kevin A. McKinnon, Emily C. Cunningham, Constance M. Rockosi, Puragra Guhathakurta, Ivanna Escala, Evan N. Kirby, Alis J. Deason
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/acd33d
Elemental Abundances in M31: Individual and Coadded Spectroscopic [Fe/H] and [α/Fe] throughout the M31 Halo with SPLASH
- Volume 18, Issue 26 - article #7
- J. Leigh Wojno, Karoline M. Gilbert, Evan N. Kirby, Ivanna Escala, Puragra Guhathakurta, Rachael L. Beaton, Jason Kalirai, Masashi Chiba, Steven R. Majewski
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/acd5d3
HALO7D III: Chemical Abundances of Milky Way Halo Stars from Medium Resolution Spectra. (arXiv:2302.07293v1 [astro-ph.GA])
- Volume 18, Issue 7 - article #4
- Kevin A. McKinnon, Emily C. Cunningham, Constance M. Rockosi, Puragra Guhathakurta, Ivanna Escala, Evan N. Kirby, Alis J. Deason
- http://arxiv.org/abs/2302.07293
The JWST Resolved Stellar Populations Early Release Science Program II. Survey Overview. (arXiv:2301.04659v1 [astro-ph.GA])
- Volume 18, Issue 2 - article #3
- Daniel R. Weisz, Kristen B. W. McQuinn, Alessandro Savino, Nitya Kallivayalil, Jay Anderson, Martha L. Boyer, Matteo Correnti, Marla C. Geha, Andrew E. Dolphin, Karin M. Sandstrom, Andrew A. Cole, Benjamin F. Williams, Evan D. Skillman, Roger E. Cohen, Max J. B. Newman, Rachael Beaton, Alessandro Bressan, Alberto Bolatto, Michael Boylan-Kolchin, Alyson M. Brooks, James S. Bullock, Charlie Conroy, M. C. Cooper, Julianne J. Dalcanton, Aaron L. Dotter, Tobias K. Fritz, Chris Garling, Mario Gennaro, Karoline M. Gilbert, Leo Girardi, Benjamin D. Johnson, L. Clifton Johnson, Jason Kalirai, Evan N. Kirby, Dustin Lang, Paola Marigo, Hannah Richstein, Edward F. Schlafly, Judy Schmidt, Erik J. Tollerud, Jack T. Warfield, Andrew Wetzel
- http://arxiv.org/abs/2301.04659
Elemental abundances in M31: Individual and Coadded Spectroscopic [Fe/H] and [{alpha}/Fe] throughout the M31 Halo with SPLASH. (arXiv:2211.15288v1 [astro-ph.GA])
- Volume 17, Issue 47 - article #3
- J. Leigh Wojno, Karoline M. Gilbert, Evan N. Kirby, Ivanna Escala, Puragra Guhathakurta, Rachael L. Beaton, Jason Kalirai, Masashi Chiba, Steven R. Majewski
- http://arxiv.org/abs/2211.15288
Stellar kinematics of dwarf galaxies from multi-epoch spectroscopy: application to Triangulum II. (arXiv:2108.10867v1 [astro-ph.GA])
- Volume 16, Issue 35 - article #4
- Rachel Buttry, Andrew B. Pace, Sergey E. Koposov, Matthew G. Walker, Nelson Caldwell, Evan N. Kirby, Nicolas F. Martin, Mario Mateo, Edward W. Olszewski, Else Starkenburg, Carles Badenes, Christine Mazzola Daher
- http://arxiv.org/abs/2108.10867
Empirical Constraints on Core Collapse Supernova Yields using Very Metal Poor Damped Lyman Alpha Absorbers. (arXiv:2108.00659v1 [astro-ph.SR])
- Volume 16, Issue 32 - article #1
- Evan Haze Nuñez, Evan N. Kirby, Charles C. Steidel
- http://arxiv.org/abs/2108.00659
Elemental Abundances in M31: Gradients in the Giant Stellar Stream
- Volume 16, Issue 28 - article #4
- Ivanna Escala, Karoline M. Gilbert, Jennifer Wojno, Evan N. Kirby,, Puragra Guhathakurta
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/162/2/45
Elemental Abundances in M31: Properties of the Inner Stellar Halo
- Volume 15, Issue 42 - article #6
- Ivanna Escala, Evan N. Kirby, Karoline M. Gilbert, Jennifer Wojno, Emily C. Cunningham,, Puragra Guhathakurta
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/902/1/51
Elemental Abundances in M31: Properties of the Inner Stellar Halo. (arXiv:2009.00529v1 [astro-ph.GA])
- Volume 15, Issue 36 - article #1
- Ivanna Escala, Evan N. Kirby, Karoline M. Gilbert, Jennifer Wojno, Emily C. Cunningham, Puragra Guhathakurta
- http://arxiv.org/abs/2009.00529
Elemental Abundances in M31: Iron and Alpha Element Abundances in M31’s Outer Halo
- Volume 15, Issue 26 - article #8
- Karoline M. Gilbert, Jennifer Wojno, Evan N. Kirby, Ivanna Escala, Rachael L. Beaton, Puragra Guhathakurta,, Steven R. Majewski
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/160/1/41
Elemental Abundances in M31: Iron and Alpha Element Abundances in M31's Outer Halo
- Volume 15, Issue 24 - article #6
- Karoline M. Gilbert (1, 2), Jennifer Wojno (2), Evan N. Kirby (3), Ivanna Escala (3, 4), Rachael L. Beaton (4, 5, 6, 7), Puragra Guhathakurta (8), Steven R. Majewski (9) ((1) Space Telescope Science Institute, (2) Department of Physics & Astronomy, Johns Hopkins University, (3) California Institute of Technology, (4) Department of Astrophysical Sciences, Princeton University, (5) The Observatories of the Carnegie Institution for Science, (6) Hubble Fellow, (7) Carnegie-Princeton Fellow, (8) UCO/Lick Observatory, Department of Astronomy & Astrophysics, University of California Santa Cruz, (9) Department of Astronomy, University of Virginia)
- http://arxiv.org/abs/2006.05430
Elemental Abundances in M31: [Fe/H] and [ α /Fe] in M31 Dwarf Galaxies Using Coadded Spectra
- Volume 15, Issue 22 - article #9
- Jennifer Wojno, Karoline M. Gilbert, Evan N. Kirby, Ivanna Escala, Rachael L. Beaton, Erik J. Tollerud, Steven R. Majewski,, Puragra Guhathakurta
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/895/2/78
The Stars in M15 Were Born with the r -process
- Volume 15, Issue 10 - article #8
- Evan N. Kirby, Gina Duggan, Enrico Ramirez-Ruiz,, Phillip Macias
- The Astrophysical Journal Letters
- http://iopscience.iop.org/2041-8205/891/1/L13
Elemental Abundances in M31: A Comparative Analysis of Alpha and Iron Element Abundances in the the Outer Disk, Giant Stellar Stream, and Inner Halo of M31
- Volume 15, Issue 6 - article #9
- Ivanna Escala, Karoline M. Gilbert, Evan N. Kirby, Jennifer Wojno, Emily C. Cunningham,, Puragra Guhathakurta
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/889/2/177
Elemental Abundances in M31: The Kinematics and Chemical Evolution of Dwarf Spheroidal Satellite Galaxies
- Volume 15, Issue 2 - article #11
- Evan N. Kirby, Karoline M. Gilbert, Ivanna Escala, Jennifer Wojno, Puragra Guhathakurta, Steven R. Majewski,, Rachael L. Beaton
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/159/2/46
Elemental Abundances in M31: The Kinematics and Chemical Evolution of Dwarf Spheroidal Satellite Galaxies. (arXiv:1912.02186v1 [astro-ph.GA])
- Volume 14, Issue 49 - article #5
- 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: First Alpha and Iron Abundance Measurements in M31's Giant Stellar Stream
- Volume 14, Issue 39 - article #16
- Karoline M. Gilbert, Evan N. Kirby, Ivanna Escala, Jennifer Wojno, Jason S. Kalirai,, Puragra Guhathakurta
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/883/2/128
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])
- Volume 14, Issue 36 - article #2
- Ivanna Escala, Karoline M. Gilbert, Evan N. Kirby, Jennifer Wojno, Emily C. Cunningham, Puragra Guhathakurta
- http://arxiv.org/abs/1909.00006
Elemental Abundances in M31: First Alpha and Iron Abundance Measurements in M31's Giant Stellar Stream. (arXiv:1908.04429v1 [astro-ph.GA])
- Volume 14, Issue 33 - article #3
- Karoline M. Gilbert, Evan N. Kirby, Ivanna Escala, Jennifer Wojno, Jason S. Kalirai, Puragra Guhathakurta
- http://arxiv.org/abs/1908.04429
Evidence for Sub-Chandrasekhar Type Ia Supernovae from Stellar Abundances in Dwarf Galaxies. (arXiv:1906.10126v1 [astro-ph.SR])
- Volume 14, Issue 26 - article #4
- Evan N. Kirby (1), Justin L. Xie (2), Rachel Guo (2), Mithi A. C. de los Reyes (1), Maria Bergemann (3), Mikhail Kovalev, (3), Ken J. Shen (4), Anthony L. Piro (5), Andrew McWilliam (5) ((1) Caltech, (2) Harvard College, (3) Max-Planck Institute for Astronomy, (4) UC Berkeley, (5) Carnegie Observatories)
- http://arxiv.org/abs/1906.10126
Elemental Abundances in M31: Alpha and Iron Element Abundances from Low-resolution Resolved Stellar Spectroscopy in the Stellar Halo
- Volume 14, Issue 24 - article #12
- Ivanna Escala, Evan N. Kirby, Karoline M. Gilbert, Emily C. Cunningham,, Jennifer Wojno
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/878/1/42
HALO7D I. The Line-of-sight Velocities of Distant Main-sequence Stars in the Milky Way Halo
- Volume 14, Issue 19 - article #9
- Emily C. Cunningham, Alis J. Deason, Constance M. Rockosi, Puragra Guhathakurta, Zachary G. Jennings, Evan N. Kirby, Elisa Toloba,, Guillermo Barro
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/876/2/124
Neutron Star Mergers are the Dominant Source of the r -process in the Early Evolution of Dwarf Galaxies
- Volume 13, Issue 50 - article #7
- Gina E. Duggan, Evan N. Kirby, Serge M. Andrievsky,, Sergey A. Korotin
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/869/1/50
Detailed Elemental Abundances in the M31 Stellar Halo: Low-Resolution Resolved Stellar Spectroscopy. (arXiv:1811.09279v1 [astro-ph.GA])
- Volume 13, Issue 48 - article #3
- Ivanna Escala, Evan N. Kirby, Karoline M. Gilbert, Emily C. Cunningham, Jennifer Wojno
- http://arxiv.org/abs/1811.09279
The Binary Fraction of Stars in Dwarf Galaxies: The Cases of Draco and Ursa Minor
- Volume 13, Issue 46 - article #7
- Meghin E. Spencer, Mario Mateo, Edward W. Olszewski, Matthew G. Walker, Alan W. McConnachie,, Evan N. Kirby
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/156/6/257
HALO7D I: The Line of Sight Velocities of Distant Main Sequence Stars in the Milky Way Halo. (arXiv:1809.04082v1 [astro-ph.GA])
- Volume 13, Issue 37 - article #2
- Emily C. Cunningham, Alis J. Deason, Constance M. Rockosi, Puragra Guhathakurta, Zachary G. Jennings, Evan N. Kirby, Elisa Toloba, Guillermo Barro
- http://arxiv.org/abs/1809.04082
Catalog of Chromium, Cobalt, and Nickel Abundances in Globular Clusters and Dwarf Galaxies
- Volume 13, Issue 29 - article #22
- Evan N. Kirby, Justin L. Xie, Rachel Guo, Mikhail Kovalev,, Maria Bergemann
- The Astrophysical Journal Supplement Series
- http://iopscience.iop.org/0067-0049/237/1/18
Evidence of a non universal stellar Initial Mass Function. Insights from HST optical imaging of 6 Ultra Faint Dwarf Milky Way Satellites. (arXiv:1801.06195v1 [astro-ph.GA])
- Volume 13, Issue 4 - article #5
- Mario Gennaro, Kirill Tchernyshyov, Thomas M. Brown, Marla Geha, Roberto J. Avila, Puragra Guhathakurta, Jason S. Kalirai, Evan N. Kirby, Alvio Renzini, Joshua D. Simon, Jason Tumlinson, Luis C. Vargas
- http://arxiv.org/abs/1801.06195
The Binary Fraction of Stars in Dwarf Galaxies: The Case of Leo II
- Volume 12, Issue 21 - article #10
- Meghin E. Spencer, Mario Mateo, Matthew G. Walker, Edward W. Olszewski, Alan W. McConnachie, Evan N. Kirby,, Andreas Koch
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/153/6/254
The Structure and Dynamical Evolution of the Stellar Disk of a Simulated Milky Way-Mass Galaxy. (arXiv:1608.04133v1 [astro-ph.GA])
- Volume 11, Issue 34 - article #13
- Xiangcheng Ma (1), Philip F. Hopkins (1), Andrew R. Wetzel (1), Evan N. Kirby (1), Daniel Angles-Alcazar (2), Claude-Andre Faucher-Giguere (2), Dusan Keres (3), Eliot Quataert (4) ((1) Caltech, (2) Northwestern, (3) UCSD, (4) Berkeley)
- http://arxiv.org/abs/1608.04133
Lithium-Rich Giants in Globular Clusters
- Volume 11, Issue 2 - article #3
- Evan N. Kirby (1), Puragra Guhathakurta (2), Andrew J. Zhang (3 and 4), Jerry Hong (5), Michelle Guo (4 and 6), Rachel Guo (6), Judith G. Cohen (1), Katia Cunha (7 and 8) ((1) Caltech, (2) UC Santa Cruz, (3) Harker School, (4) Stanford, (5) Palo Alto High School, (6) Irvington High School, (7) Observatório Nacional, (8) University of Arizona)
- arXiv.org - Astrophysics - Volume: 2016, Issue: 8 Jan
- arXiv:1601.01315 [pdf, ps, other]
Triangulum II: A Very Dense Ultra-Faint Dwarf Galaxy
- Volume 10, Issue 38 - article #10
- Evan N. Kirby (1), Judith G. Cohen (1), Joshua D. Simon (2), Puragra Guhathakurta (3) ((1) Caltech, (2) Carnegie Observatories, (3) UC Santa Cruz)
- arXiv.org - Astrophysics - Volume: 2015, Issue: 16 Oct
- arXiv:1510.03856 [pdf, ps, other]
Carbon in Red Giants in Globular Clusters and Dwarf Spheroidal Galaxies
- Volume 10, Issue 10 - article #23
- 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
- Volume 10, Issue 4 - article #1
- 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]
Global Properties of M31's Stellar Halo from the SPLASH Survey. II. Metallicity Profile
- Volume 9, Issue 24 - article #67
- 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)
The Quenching of the Ultra-faint Dwarf Galaxies in the Reionization Era
- Volume 9, Issue 24 - article #69
- Thomas M. Brown, Jason Tumlinson, Marla Geha, Joshua D. Simon, Luis C. Vargas, Don A. VandenBerg, Evan N. Kirby, Jason S. Kalirai, Roberto J. Avila, Mario Gennaro, Henry C. Ferguson, Ricardo R. MuÃ±oz, Puragra Guhathakurta, and Alvio Renzini
- The Astrophysical Journal - Volume: 796, Issue: 2
- View article PDF (1.51 MB)
[α/Fe] Abundances of Four Outer M31 Halo Stars
- Volume 9, Issue 24 - article #71
- 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)
The Quenching of the Ultra-Faint Dwarf Galaxies in the Reionization Era
- Volume 9, Issue 23 - article #10
- Thomas M. Brown, Jason Tumlinson, Marla Geha, Joshua D. Simon, Luis C. Vargas, Don A. VandenBerg, Evan N. Kirby, Jason S. Kalirai, Roberto J. Avila, Mario Gennaro, Henry C. Ferguson, Ricardo R. Munoz, Puragra Guhathakurta, Alvio Renzini
- arXiv.org - Astrophysics - Volume: 2014, Issue: 10 Oct
- arXiv:1410.0681 [pdf, ps, other]
[$α$/Fe] Abundances of Four Outer M 31 Halo Stars
- Volume 9, Issue 23 - article #21
- 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]
Segue 1: An Unevolved Fossil Galaxy from the Early Universe
- Volume 9, Issue 18 - article #12
- Anna Frebel, Joshua D. Simon, and Evan N. Kirby
- The Astrophysical Journal - Volume: 786, Issue: 1
- View article PDF (2.30 MB)
Detailed abundance analysis of the brightest star in Segue 2, the least massive galaxy
- Volume 9, Issue 16 - article #25
- Ian U. Roederer and Evan N. Kirby
- Monthly Notices of the Royal Astronomical Society - Volume: 440, Issue: 3
- Abstract Full Text (HTML) Full Text (PDF) SUPPORTING INFORMATION
Segue 1: An Unevolved Fossil Galaxy from the Early Universe
- Volume 9, Issue 13 - article #10
- Anna Frebel (MIT), Joshua D. Simon (Carnegie), Evan N. Kirby (Irvine)
- arXiv.org - Astrophysics - Volume: 2014, Issue: 28 Mar
- arXiv:1403.6116 [pdf, ps, other]
Detailed Abundance Analysis of the Brightest Star in Segue 2, the Least Massive Galaxy
- Volume 9, Issue 11 - article #7
- Ian U. Roederer (Michigan), Evan N. Kirby (UC Irvine)
- arXiv.org - Astrophysics - Volume: 2014, Issue: 14 Mar
- arXiv:1403.2733 [pdf, ps, other]
The dynamics of isolated Local Group galaxies
- Volume 9, Issue 10 - article #12
- Evan N. Kirby, James S. Bullock, Michael Boylan-Kolchin, Manoj Kaplinghat, and Judith G. Cohen
- Monthly Notices of the Royal Astronomical Society - Volume: 439, Issue: 1
- Abstract Full Text (HTML) Full Text (PDF) SUPPORTING INFORMATION
The Universal Stellar Mass-Stellar Metallicity Relation for Dwarf Galaxies
- Volume 8, Issue 40 - article #12
- 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
- Volume 8, Issue 26 - article #24
- Marla Geha, Thomas M. Brown, Jason Tumlinson, Jason S. Kalirai, Joshua D. Simon, Evan N. Kirby, Don A. VandenBerg, Ricardo R. MuÃ±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
Segue 2: The Least Massive Galaxy
- Volume 8, Issue 23 - article #20
- Evan N. Kirby, Michael Boylan-Kolchin, Judith G. Cohen, Marla Geha, James S. Bullock, and Manoj Kaplinghat
- The Astrophysical Journal - Volume: 770, Issue: 1
- Abstract References Full text PDF (1.01 MB) Enhanced article HTML
Segue 2: The Least Massive Galaxy
- Volume 8, Issue 17 - article #4
- Evan N. Kirby (1), Michael Boylan-Kolchin (1), Judith G. Cohen (2), Marla Geha (3), James S. Bullock (1), Manoj Kaplinghat (1) ((1) UC Irvine, (2) Caltech, (3) Yale)
- arXiv.org - Astrophysics - Volume: 2013, Issue: 26 Apr
- arXiv:1304.6080 [pdf, ps, other]
The Distribution of Alpha Elements in Ultra-faint Dwarf Galaxies
- Volume 8, Issue 14 - article #18
- Luis C. Vargas, Marla Geha, Evan N. Kirby, and Joshua D. Simon
- The Astrophysical Journal - Volume: 767, Issue: 2
- Abstract References Full text PDF (860 KB) Enhanced article HTML
The Distribution of Alpha Elements in Ultra-Faint Dwarf Galaxies
- Volume 8, Issue 9 - article #13
- Luis C. Vargas (1), Marla Geha (1), Evan N. Kirby (2), Joshua D. Simon (3) ((1) Yale University, (2) UC Irvine, (3) Carnegie Observatories)
- arXiv.org - Astrophysics - Volume: 2013, Issue: 1 Mar
- arXiv:1302.6594 [pdf, ps, other]
Detailed Abundances of Two Very Metal-poor Stars in Dwarf Galaxies
- Volume 7, Issue 51 - article #27
- Evan N. Kirby and Judith G. Cohen
- Astronomical Journal - Volume: 144, Issue: 6
- doi:10.1088/0004-6256/144/6/168 Tag this article
Global Properties of M31's Stellar Halo from the SPLASH Survey. I. Surface Brightness Profile
- Volume 7, Issue 48 - article #8
- Karoline M. Gilbert, Puragra Guhathakurta, Rachael L. Beaton, James Bullock, Marla C. Geha, Jason S. Kalirai, Evan N. Kirby, Steven R. Majewski, James C. Ostheimer, Richard J. Patterson, Erik J. Tollerud, Mikito Tanaka, and Masashi Chiba
- The Astrophysical Journal - Volume: 760, Issue: 1
- Abstract References Full text PDF (2.32 MB) View as HTML
Detailed Abundances of Two Very Metal-Poor Stars in Dwarf Galaxies
- Volume 7, Issue 38 - article #3
- Evan N. Kirby, Judith G. Cohen (Caltech)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 21 Sep
- arXiv:1209.3778 [pdf, ps, other]
The Bizarre Chemical Inventory of NGC 2419, An Extreme Outer Halo Globular Cluster
- Volume 7, Issue 37 - article #15
- Judith G. Cohen, Evan N. Kirby (Caltech)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 14 Sep
- arXiv:1209.2705 [pdf, ps, other]
Two Distant Halo Velocity Groups Discovered by the Palomar Transient Factory
- Volume 7, Issue 33 - article #29
- Branimir Sesar, Judith G. Cohen, David Levitan, Carl J. Grillmair, Mario JuriÄ, Evan N. Kirby, Russ R. Laher, Eran O. Ofek, Jason A. Surace, Shrinivas R. Kulkarni, and Thomas A. Prince
- The Astrophysical Journal - Volume: 755, Issue: 2
- Abstract References Full text PDF (574 KB) View as HTML
The Primeval Populations of the Ultra-faint Dwarf Galaxies
- Volume 7, Issue 27 - article #39
- Thomas M. Brown, Jason Tumlinson, Marla Geha, Evan N. Kirby, Don A. VandenBerg, Ricardo R. MuÃ±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
The Primeval Populations of the Ultra-Faint Dwarf Galaxies
- Volume 7, Issue 23 - article #9
- 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]
The SPLASH Survey: Spectroscopy of 15 M31 Dwarf Spheroidal Satellite Galaxies
- Volume 7, Issue 23 - article #20
- Erik J. Tollerud, Rachael L. Beaton, Marla C. Geha, James S. Bullock, Puragra Guhathakurta, Jason S. Kalirai, Steve R. Majewski, Evan N. Kirby, Karoline M. Gilbert, Basilio Yniguez, Richard J. Patterson, James C. Ostheimer, Jeff Cooke, Claire E. Dorman, Abrar Choudhury, and Michael C. Cooper
- The Astrophysical Journal - Volume: 752, Issue: 1
- Abstract References Full text PDF (25.18 MB) HTML with Enhancements
Discovery of Super-Li-rich Red Giants in Dwarf Spheroidal Galaxies
- Volume 7, Issue 23 - article #26
- 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 Dynamics and Metallicity Distribution of the Distant Dwarf Galaxy VV124
- Volume 7, Issue 20 - article #30
- Evan N. Kirby, Judith G. Cohen, and Michele Bellazzini
- The Astrophysical Journal - Volume: 751, Issue: 1
- Abstract References Full text PDF (2.82 MB) HTML with Enhancements
The Dynamics and Metallicity Distribution of the Distant Dwarf Galaxy VV124
- Volume 7, Issue 12 - article #8
- Evan N. Kirby (Caltech), Judith G. Cohen (Caltech), Michele Bellazzini (INAF)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 23 Mar
- arXiv:1203.4561 [pdf, ps, other]
The SPLASH Survey: Spectroscopy of 15 M31 Dwarf Spheroidal Satellite Galaxies
- Volume 6, Issue 49 - article #15
- Erik J. Tollerud, Rachael L. Beaton, Marla C. Geha, James S. Bullock, Puragra Guhathakurta, Jason S. Kalirai, Steve R. Majewski, Evan N. Kirby, Karoline M. Gilbert, Basilio Yniguez, Richard J. Patterson, James C. Ostheimer, Abrar Choudhury
- arXiv.org - Astrophysics - Volume: 2011, Issue: 9 Dec
- arXiv:1112.1067 [pdf, other]
Metals Removed by Outflows from Milky Way Dwarf Spheroidal Galaxies
- Volume 6, Issue 47 - article #32
- Evan N. Kirby, Crystal L. Martin and Kristian Finlator
- The Astrophysical Journal Letters - Volume: 742, Issue: 2
- Abstract References Full text PDF (216 KB) View as HTML
Metals Removed by Outflows from Milky Way Dwarf Spheroidal Galaxies
- Volume 6, Issue 43 - article #15
- Evan N. Kirby (1), Crystal L. Martin (2), Kristian Finlator (2) ((1) California Institute of Technology, (2) University of California Santa Barbara)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 28 Oct
- arXiv:1110.5624 [pdf, ps, other]
The Peculiar Chemical Inventory of NGC 2419: An Extreme Outer Halo "Globular Cluster"
- Volume 6, Issue 40 - article #27
- Judith G. Cohen, Wenjin Huang and Evan N. Kirby
- The Astrophysical Journal - Volume: 740, Issue: 2
- Abstract References Full text PDF (390 KB) HTML with Enhancements
Multi-element Abundance Measurements from Medium-resolution Spectra. III. Metallicity Distributions of Milky Way Dwarf Satellite Galaxies
- Volume 6, Issue 23 - article #28
- 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
- Volume 6, Issue 23 - article #29
- 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
A Complete Spectroscopic Survey of the Milky Way Satellite Segue 1: The Darkest Galaxy
- Volume 6, Issue 18 - article #17
- Joshua D. Simon, Marla Geha, Quinn E. Minor, Gregory D. Martinez, Evan N. Kirby, James S. Bullock, Manoj Kaplinghat, Louis E. Strigari, Beth Willman, Philip I. Choi, Erik J. Tollerud and Joe Wolf
- The Astrophysical Journal - Volume: 733, Issue: 1
- Abstract References Full text PDF (1.24 MB) HTML with Enhancements
Grids of ATLAS9 Model Atmospheres and MOOG Synthetic Spectra
- Volume 6, Issue 10 - article #12
- Evan N. Kirby (Caltech)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 11 Mar
- arXiv:1103.1385 [pdf, ps, other]
Multi-Element Abundance Measurements from Medium-Resolution Spectra. II. Catalog of Stars in Milky Way Dwarf Satellite Galaxies
- Volume 5, Issue 48 - article #9
- 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
- Volume 5, Issue 48 - article #10
- 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
- Volume 5, Issue 48 - article #11
- 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]
NGC 2419-Another Remnant of Accretion by the Milky Way
- Volume 5, Issue 48 - article #34
- Judith G. Cohen, Evan N. Kirby, Joshua D. Simon and Marla Geha
- The Astrophysical Journal - Volume: 725, Issue: 1
- Abstract References Full text PDF (442 KB) View as HTML
The Elemental Abundance Distributions of Milky Way Satellite Galaxies
- Volume 5, Issue 46 - article #23
- Evan N. Kirby (California Institute of Technology)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 12 Nov
- arXiv:1011.1530 [pdf, ps, other]
A Complete Spectroscopic Survey of the Milky Way Satellite Segue 1: The Darkest Galaxy
- Volume 5, Issue 31 - article #1
- Joshua D. Simon (Carnegie Observatories), Marla Geha (Yale), Quinn E. Minor, Gregory D. Martinez (UC Irvine), Evan N. Kirby (Caltech), James S. Bullock, Manoj Kaplinghat (UC Irvine), Louis E. Strigari (Stanford), Beth Willman (Haverford), Philip I. Choi (Pomona), Erik J. Tollerud, Joe Wolf (UC Irvine)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 30 Jul
- arXiv:1007.4198 [pdf, ps, other]
High-resolution Spectroscopy of Extremely Metal-poor Stars in the Least Evolved Galaxies: Leo IV
- Volume 5, Issue 22 - article #53
- Joshua D. Simon, Anna Frebel, Andrew McWilliam, Evan N. Kirby, and Ian B. Thompson
- The Astrophysical Journal - Volume: 716, Issue: 1
- Abstract References Full text PDF (385 KB) View as HTML
Linking dwarf galaxies to halo building blocks with the most metal-poor star in Sculptor
- Volume 5, Issue 10 - article #20
- Anna Frebel, Evan N. Kirby & Joshua D. Simon
- Nature - Volume: 464, Issue: 7285
- First paragraph | Full Text | PDF (347K)
The SPLASH Survey: Internal Kinematics, Chemical Abundances, and Masses of the Andromeda I, II, III, VII, X, and XIV Dwarf Spheroidal Galaxies
- Volume 5, Issue 9 - article #31
- <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
High-Resolution Spectroscopy of Extremely Metal-Poor Stars in the Least Evolved Galaxies: Leo IV
- Volume 5, Issue 4 - article #9
- Joshua D. Simon (Carnegie Observatories), Anna Frebel (CfA), Andrew McWilliam (Carnegie Observatories), Evan N. Kirby (Caltech), Ian B. Thompson (Carnegie Observatories)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 22 Jan
- arXiv:1001.3137 [ps, pdf, other]
The SPLASH Survey: Internal Kinematics, Chemical Abundances, and Masses of the Andromeda I, II, III, VII, X, and XIV dSphs
- Volume 4, Issue 46 - article #22
- 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
- Volume 4, Issue 44 - article #27
- <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
- Volume 4, Issue 43 - article #18
- <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
Multi-Element Abundance Measurements from Medium-Resolution Spectra. I. The Sculptor Dwarf Spheroidal Galaxy
- Volume 4, Issue 38 - article #6
- 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]
The Role of Dwarf Galaxies in Building Large Stellar Halos
- Volume 4, Issue 8 - article #21
- Evan N. Kirby (UC Santa Cruz), Puragra Guhathakurta (UC Santa Cruz), James S. Bullock (UC Irvine), Anna Frebel (Harvard), Marla Geha (Yale), Karoline M. Gilbert (U Washington), Jasonjot S. Kalirai (STScI), Manoj Kaplinghat (UC Irvine), Michael Kuhlen (IAS), Steven R. Majewski (U Virginia), Brant E. Robertson (U Chicago), Joshua D. Simon (OCIW), Marcel Zemp (U Michigan)
- arXiv.org - Astrophysics - Volume: 2009, Issue: 20 Feb
- arXiv:0902.2591 [ps, pdf, other]
The Least Luminous Galaxy: Spectroscopy of the Milky Way Satellite Segue 1
- Volume 3, Issue 38 - article #23
- Marla Geha, Beth Willman, Josh D. Simon, Louis E. Strigari, Evan N. Kirby, David R. Law, Jay Strader
- arXiv.org - Astrophysics - Volume: 2008, Issue: 18 Sep
- arXiv:0809.2781 [ps, pdf, other]
Uncovering Extremely Metal-Poor Stars in the Milky Way's Ultra-Faint Dwarf Spheroidal Satellite Galaxies
- Volume 3, Issue 29 - article #15
- 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
- Volume 3, Issue 17 - article #8
- Evan N. Kirby, Puragra Guhathakurta, Christopher Sneden
- arXiv.org - Astrophysics - Volume: 2008, Issue: 24 Apr
- arXiv:0804.3590 [ps, pdf, other]

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