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Results 1 - 45 of 45

Metallicities of Classical Cepheids in the Inner Galactic Disk
- Volume 18, Issue 36 - article #16
- Noriyuki Matsunaga, Daisuke Taniguchi, Scarlet S. Elgueta, Takuji Tsujimoto, Junichi Baba, Andrew McWilliam, Shogo Otsubo, Yuki Sarugaku, Tomomi Takeuchi, Haruki Katoh
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/aced93
A high-precision abundance analysis of the nuclear benchmark star HD 20. (arXiv:2001.11038v1 [astro-ph.SR])
- Volume 15, Issue 5 - article #2
- Michael Hanke, Camilla Juul Hansen, Hans-Günter Ludwig, Sergio Cristallo, Andrew McWilliam, Eva K. Grebel, Luciano Piersanti
- http://arxiv.org/abs/2001.11038
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
High-resolution Spectroscopic Abundances of Red Giant Branch Stars in NGC 6681
- Volume 12, Issue 35 - article #12
- Erin M. OâMalley, Alexei Knaizev, Andrew McWilliam,, Brian Chaboyer
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/846/1/23
APOGEE Chemical Abundances of the Sagittarius Dwarf Galaxy
- Volume 12, Issue 34 - article #18
- Sten Hasselquist, Matthew Shetrone, Verne Smith, Jon Holtzman, Andrew McWilliam, J. G. FernÃ¡ndez-Trincado, Timothy C. Beers, Steven R. Majewski, David L. Nidever, Baitian Tang, Patricia B. Tissera, Emma FernÃ¡ndez Alvar, Carlos Allende Prieto, Andres Almeida, Borja Anguiano, Giuseppina Battaglia, Leticia Carigi, Gloria Delgado Inglada, Peter Frinchaboy, D. A. GarcÃa-HernÃ¡ndez, Doug Geisler, Dante Minniti, Vinicius M. Placco, Mathias Schultheis, Jennifer Sobeck,, Sandro Villanova
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/845/2/162
APOGEE Chemical Abundances of the Sagittarius Dwarf Galaxy. (arXiv:1707.03456v1 [astro-ph.GA])
- Volume 12, Issue 28 - article #2
- Sten Hasselquist, Matthew Shetrone, Verne Smith, Jon Holtzman, Andrew McWilliam, J. G. Fernández-Trincado, Timothy C. Beers, Steven R. Majewski, David L. Nidever, Baitian Tang, Patricia B. Tissera, Emma Fernández Alvar, Carlos Allende Prieto, Andres Almeida, Borja Anguiano, Giuseppina Battaglia, Leticia Carigi, Gloria Delgado Inglada, Peter Frinchaboy, D. A. García-Hernández, Doug Geisler, Dante Minniti, Vinicius M. Placco, Mathias Schultheis, Jennifer Sobeck, Sandro Villanova
- http://arxiv.org/abs/1707.03456
High Resolution Spectroscopic Abundances of Red Giant Branch Stars in NGC 6681. (arXiv:1706.06962v1 [astro-ph.SR])
- Volume 12, Issue 25 - article #2
- Erin M. O'Malley, Alexei Kniazev, Andrew McWilliam, Brian Chaboyer
- http://arxiv.org/abs/1706.06962
A Differential Abundance Analysis of Very Metal-poor Stars
- Volume 12, Issue 13 - article #8
- Erin M. OâMalley, Andrew McWilliam, Brian Chaboyer,, Ian Thompson
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/838/2/90
A Differential Abundance Analysis of Very Metal-Poor Stars. (arXiv:1703.00019v1 [astro-ph.SR])
- Volume 12, Issue 9 - article #1
- Erin O'Malley, Andrew McWilliam, Brian Chaboyer, Ian Thompson
- http://arxiv.org/abs/1703.00019
Chemical Abundances of Two Stars in the Large Magellanic Cloud Globular Cluster NGC~1718. (arXiv:1701.03802v1 [astro-ph.GA])
- Volume 12, Issue 3 - article #3
- Charli Sakari, Andrew McWilliam, George Wallerstein
- http://arxiv.org/abs/1701.03802
The Chemical Composition of the Galactic Bulge and Implications for its Evolution. (arXiv:1607.05299v1 [astro-ph.GA])
- Volume 11, Issue 30 - article #10
- Andrew McWilliam
- http://arxiv.org/abs/1607.05299
Metal-poor stars towards the Galactic bulge - a population potpourri
- Volume 10, Issue 41 - article #6
- Andreas Koch, Andrew McWilliam, George W. Preston, Ian B. Thompson
- arXiv.org - Astrophysics - Volume: 2015, Issue: 6 Nov
- arXiv:1511.01490 [pdf, ps, other]
The chemical composition of a regular halo globular cluster: NGC 5897
- Volume 9, Issue 21 - article #38
- Andreas Koch and Andrew McWilliam
- Astronomy and Astrophysics - Volume: 565, Issue: May 2014
- http://dx.doi.org/10.1051/0004-6361/201323119
  Abstract Full HTML PDF (954.8 KB) ePUB (1.712 MB) References Online Material Tables at CDS NASA ADS Abstract Service
The chemical composition of a regular halo globular cluster: NGC 5897
- Volume 9, Issue 10 - article #6
- Andreas Koch, Andrew McWilliam
- arXiv.org - Astrophysics - Volume: 2014, Issue: 7 Mar
- arXiv:1403.1262 [pdf, ps, other]
Normal and Outlying Populations of the Milky Way Stellar Halo at [Fe/H] <–2
- Volume 8, Issue 47 - article #13
- Judith G. Cohen, Norbert Christlieb, Ian Thompson, Andrew McWilliam, Stephen Shectman, Dieter Reimers, Lutz Wisotzki, and Evan Kirby
- The Astrophysical Journal - Volume: 778, Issue: 1
- View article PDF (1.49 MB)
Chemistry of the Sagittarius Dwarf Galaxy: A Top-light Initial Mass Function, Outflows, and the R-process
- Volume 8, Issue 47 - article #18
- Andrew McWilliam, George Wallerstein, and Marta Mottini
- The Astrophysical Journal - Volume: 778, Issue: 2
- View article PDF (1.39 MB)
Normal and Outlying Populations of the Milky Way Stellar Halo at [Fe/H] < -2
- Volume 8, Issue 41 - article #11
- Judith Cohen, Norbert Christlieb, Ian Thompson, Andrew McWilliam, Stephen Shectman, Dieter Reimers, Lutz Wisotzki, Evan Kirby
- arXiv.org - Astrophysics - Volume: 2013, Issue: 11 Oct
- arXiv:1310.1527 [pdf, ps, other]
Chemistry of the Sagittarius Dwarf Galaxy: a Top-Light IMF, Outflows and the R-Process
- Volume 8, Issue 37 - article #5
- Andrew McWilliam, George Wallerstein, Marta Mottini
- arXiv.org - Astrophysics - Volume: 2013, Issue: 13 Sep
- arXiv:1309.2974 [pdf, ps, other]
A comprehensive chemical abundance study of the outer halo globular cluster M 75
- Volume 8, Issue 16 - article #2
- Nikolay Kacharov, Andreas Koch, Andrew McWilliam
- arXiv.org - Astrophysics - Volume: 2013, Issue: 19 Apr
- arXiv:1304.4247 [pdf, ps, other]
Globular Cluster Abundances from High-resolution, Integrated-light Spectroscopy. IV. The Large Magellanic Cloud: α, Fe-peak, Light, and Heavy Elements
- Volume 7, Issue 15 - article #30
- Janet E. Colucci, Rebecca A. Bernstein, Scott A. Cameron, and Andrew McWilliam
- The Astrophysical Journal - Volume: 746, Issue: 1
- Abstract References Cited by Full text PDF (5.36 MB) HTML with Enhancements
A Differential Chemical Element Analysis of the Metal-poor Globular Cluster NGC 6397
- Volume 6, Issue 37 - article #18
- Andreas Koch and Andrew McWilliam
- Astronomical Journal - Volume: 142, Issue: 2
- doi:10.1088/0004-6256/142/2/63 Tag this article
RR Lyrae Stars, Metal-Poor Stars, and the Galaxy
- Volume 6, Issue 36 - article #14
- Andrew McWilliam (Carnegie Observatories)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 9 Sep
- arXiv:1109.1324 [html, other]
Mapping the X-Shaped Milky Way Bulge
- Volume 6, Issue 30 - article #11
- Roberto K. Saito, Manuela Zoccali, Andrew McWilliam, Dante Minniti, Oscar A. Gonzalez, Vanessa Hill
- arXiv.org - Astrophysics - Volume: 2011, Issue: 29 Jul
- arXiv:1107.5360 [pdf, ps, other]
Globular Cluster Abundances from High-resolution, Integrated-light Spectroscopy. III. The Large Magellanic Cloud: Fe and Ages
- Volume 6, Issue 26 - article #29
- Janet E. Colucci, Rebecca A. Bernstein, Scott A. Cameron and Andrew McWilliam
- The Astrophysical Journal - Volume: 735, Issue: 1
- Abstract References Full text PDF (3.13 MB) HTML with Enhancements
A differential chemical element analysis of the metal poor Globular Cluster NGC 6397
- Volume 6, Issue 25 - article #1
- Andreas Koch, Andrew McWilliam
- arXiv.org - Astrophysics - Volume: 2011, Issue: 24 Jun
- arXiv:1106.4544 [pdf, ps, other]
A Status Report on the 0Z Project
- Volume 6, Issue 18 - article #2
- Judith G. Cohen, Norbert Christlieb, Andrew McWilliam, Stephen Shectman, Ian Thompson
- arXiv.org - Astrophysics - Volume: 2011, Issue: 6 May
- arXiv:1105.1126 [pdf, ps, other]
Alpha Enhancement and the Metallicity Distribution Function of Plaut's Window
- Volume 6, Issue 11 - article #1
- Christian I. Johnson, R. Michael Rich, Jon P. Fulbright, Elena Valenti, Andrew McWilliam
- arXiv.org - Astrophysics - Volume: 2011, Issue: 18 Mar
- arXiv:1103.2143 [pdf, ps, other]
Galactic chemical evolution: the observational side
- Volume 5, Issue 48 - article #6
- Andrew McWilliam (Carnegie Observatories)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 25 Nov
- arXiv:1011.4995 [pdf, ps, other]
Two Red Clumps and the X-Shaped Milky Way Bulge
- Volume 5, Issue 32 - article #18
- Andrew McWilliam (1), Manuela Zoccali (2) ((1) Carnegie Observatories, (2) Departamento Astronomia y Astrofisica, Pontifica Universidad Catolica de Chile)
- arXiv.org - Astrophysics - Volume: 2010, Issue: 6 Aug
- arXiv:1008.0519 [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
A Differential Chemical Abundance Scale for the Globular Cluster M5
- Volume 5, Issue 20 - article #13
- Andreas Koch and Andrew McWilliam
- Astronomical Journal - Volume: 139, Issue: 6
- Abstract References Full text PDF (546 KB) HTML with Enhancements
A differential chemical abundance scale for the globular cluster M5
- Volume 5, Issue 14 - article #1
- Andreas Koch, Andrew McWilliam
- arXiv.org - Astrophysics - Volume: 2010, Issue: 2 Apr
- arXiv:1003.5010 [pdf, ps, other]
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]
M31 Globular Cluster Abundances from High-Resolution, Integrated-Light Spectroscopy
- Volume 4, Issue 40 - article #23
- <em >Janet E. Colucci, Rebecca A. Bernstein, Scott Cameron, Andrew McWilliam, and Judith G. Cohen</em&gt,
- The Astrophysical Journal - Volume: 704, Issue: 1
- Abstract | References
All quiet in the outer halo: chemical abundances in the globular cluster Pal 3
- Volume 4, Issue 34 - article #9
- Andreas Koch, Patrick Côté, Andrew McWilliam
- arXiv.org - Astrophysics - Volume: 2009, Issue: 21 Aug
- arXiv:0908.2629 [ps, pdf, other]
Globular Cluster Abundances from High-Resolution Integrated-Light Spectra. I. 47 Tuc
- Volume 3, Issue 35 - article #15
- Andrew McWilliam and Rebecca A. Bernstein
- The Astrophysical Journal - Volume: 684, Issue: 1
- Abstract-Full Text-PDF Version (2144 kB)
ARP 2 and Terzan 8: A Detailed Chemical Analysis
- Volume 3, Issue 29 - article #16
- <em >Marta Mottini, George Wallerstein, and Andrew McWilliam</em&gt,
- Astronomical Journal - Volume: 136, Issue: 2
- Abstract | References | Citing articles
A New Abundance Scale for the Globular Cluster 47 Tuc
- Volume 3, Issue 13 - article #30
- <em >Andreas Koch and Andrew McWilliam</em&gt,
- Astronomical Journal - Volume: 135, Issue: 4
- Abstract | References
A new abundance scale for the globular cluster 47 Tuc
- Volume 3, Issue 8 - article #1
- Andreas Koch, Andrew McWilliam (Carnegie Observatories)
- arXiv.org - Astrophysics - Volume: 2008, Issue: 21 Feb
- arXiv:0802.2103 [ps, pdf, other]
New Extremely Metal‐Poor Stars in the Galactic Halo
- Volume 3, Issue 2 - article #9
- Judith G. Cohen, Norbert Christlieb, Andrew McWilliam, Stephen Shectman, Ian Thompson, Jorge Melendez, Lutz Wisotzki, and Dieter Reimers
- The Astrophysical Journal - Volume: 672, Issue: 1
- Abstract-Full Text-PDF Version (486 kB)
New Extremely Metal-Poor Stars in the Galactic Halo
- Volume 2, Issue 36 - article #13
- Judith G. Cohen, Norbert Christlieb, Andrew McWilliam, Stephen Shectman, Ian Thompson, Jorge Melendez, Lutz Wisotzki, Dieter Reimers
- ArXiv - Astrophysics
- arXiv:0709.0029 [ps, pdf, other]
New Extremely Metal-Poor Stars in the Galactic Halo
- Volume 2, Issue 35 - article #22
- Judith G. Cohen, Norbert Christlieb, Andrew McWilliam, Stephen Shectman, Ian Thompson, Jorge Melendez, Lutz Wisotzki, Dieter Reimers
- ArXiv - Astrophysics
- arXiv:0709.0029 [ps, pdf, other]
A New Type of Extremely Metal Poor Star
- Volume 2, Issue 11 - article #33
- Judith G. Cohen, Andrew McWilliam, Norbert Christlieb, Stephen Shectman, Ian Thompson, Jorge Melendez, Lutz Wisotzki, Dieter Reimers
- ArXiv - Astrophysics
- astro-ph/0703341 [abs, ps, pdf, other]
CARBON STARS IN THE HAMBURG/ESO SURVEY: ABUNDANCES
- Volume 1, Issue 22 - article #22
- Judith G. Cohen, Andrew McWilliam, Stephen Shectman, Ian Thompson, Norbert Christlieb, Jorge Melendez, Solange Ramirez, Amber Swensson, and Franz-Josef Zickgraf
- Astronomical Journal - Volume 132, Issue 1
- Abstract Full Text with Enhancements PDF (416 kB)
Carbon Stars in the Hamburg/ESO Survey: Abundances
- Volume 1, Issue 9 - article #29
- Judith G. Cohen, Andrew McWilliam, Stephen Shectman, Ian Thompson, Norbert Christlieb, Jorge Melendez, Solange Ramirez, Amber Swensson, Franz-Josef Zickgraf
- ArXiv - Astrophysics
- astro-ph/0603582 [abs, ps, pdf, other]

Results 1 - 45 of 45

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