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Results 1 - 29 of 29

Metallicities of Outer Halo M31 Globular Clusters from Integrated Light Calcium-II Triplet Spectroscopy. (arXiv:2203.08840v1 [astro-ph.GA])
- Volume 17, Issue 11 - article #2
- Charli Sakari, George Wallerstein
- http://arxiv.org/abs/2203.08840
NLTE C and O abundances in RR lyrae stars
- Volume 15, Issue 44 - article #11
- Sergei M. Andrievsky, George Wallerstein, Sergey A. Korotin, Valery V. Kovtyukh, Sergii V. Khrapaty, Yuri Rydyak, Tamara V. Mishenina, Wenjin Huang
- Astronomische Nachrichten - Volume: 0, Issue: 0
- https://onlinelibrary.wiley.com/doi/abs/10.1002/asna.202013831?af=R
The R -Process Alliance: Discovery of a Low- α , r -process-enhanced Metal-poor Star in the Galactic Halo
- Volume 14, Issue 14 - article #19
- Charli M. Sakari, Ian U. Roederer, Vinicius M. Placco, Timothy C. Beers, Rana Ezzeddine, Anna Frebel, Terese Hansen, Christopher Sneden, John J. Cowan, George Wallerstein, Elizabeth M. Farrell, Kim A. Venn, Gal MatijeviÄ, Rosemary F. G. Wyse, Joss Bland-Hawthorn, Cristina Chiappini, Kenneth C. Freeman, Brad K. Gibson, Eva K. Grebel, Amina Helmi, Georges Kordopatis, Andrea Kunder, Julio Navarro, Warren Reid, George Seabroke, Matthias Steinmetz,, Fred Watson
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/874/2/148
The R-Process Alliance: Discovery of a low-alpha, r-Process-Enhanced Metal-Poor Star in the Galactic Halo. (arXiv:1903.01480v1 [astro-ph.SR])
- Volume 14, Issue 10 - article #12
- Charli M. Sakari, Ian U. Roederer, Vinicius M. Placco, Timothy C. Beers, Rana Ezzeddine, Anna Frebel, Terese Hansen, Christopher Sneden, John J. Cowan, George Wallerstein, Elizabeth M. Farrell, Kim A. Venn, Gal Matijevic, Rosemary F.G. Wyse, Joss Bland-Hawthorn, Cristina Chiappini, Kenneth C. Freeman, Brad K. Gibson, Eva K. Grebel, Amina Helmi, Georges Kordopatis, Andrea Kunder, Julio Navarro, Warren Reid, George Seabroke, Matthias Steinmetz, Fred Watson
- http://arxiv.org/abs/1903.01480
Kinematics of Type II Cepheids of the Galactic Halo
- Volume 13, Issue 50 - article #6
- George Wallerstein, Elizabeth M. Farrell
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/156/6/299
Kinematics of Type II Cepheids of the Galactic Halo. (arXiv:1811.02003v1 [astro-ph.SR])
- Volume 13, Issue 45 - article #5
- George Wallerstein, Elizabeth M. Farrell
- http://arxiv.org/abs/1811.02003
The R-Process Alliance: First Release from the Northern Search for r-Process Enhanced Metal-Poor Stars in the Galactic Halo. (arXiv:1809.09156v1 [astro-ph.SR])
- Volume 13, Issue 39 - article #7
- Charli M. Sakari, Vinicius M. Placco, Elizabeth M. Farrell, Ian U. Roederer, George Wallerstein, Timothy C. Beers, Rana Ezzeddine, Anna Frebel, Terese Hansen, Erika M. Holmbeck, Christopher Sneden, Kim A. Venn, Christopher Evan Davis, Gal Matijevic, Rosemary F.G. Wyse, Joss Bland-Hawthorn, Cristina Chiappini, Kenneth C. Freeman, Brad K. Gibson, Eva K. Grebel, Amina Helmi, Georges Kordopatis, Andrea Kunder, Julio Navarro, Warren Reid, George Seabroke, Matthias Steinmetz, Fred Watson
- http://arxiv.org/abs/1809.09156
The r -process Pattern of a Bright, Highly r -process-enhanced Metal-poor Halo Star at [Fe/H] ∼ −2
- Volume 13, Issue 7 - article #18
- Charli M. Sakari, Vinicius M. Placco, Terese Hansen, Erika M. Holmbeck, Timothy C. Beers, Anna Frebel, Ian U. Roederer, Kim A. Venn, George Wallerstein, Christopher Evan Davis, Elizabeth M. Farrell,, David Yong
- The Astrophysical Journal Letters
- http://iopscience.iop.org/2041-8205/854/2/L20
A Multiwavelength Study of the Segue 3 Cluster
- Volume 12, Issue 29 - article #12
- Joanne Hughes, Brianna Lacy, Charli Sakari, George Wallerstein, Christoper Evan Davis, Spencer Schiefelbein, Olivia Corrin, Hanah Joudi, Donna Le,, Rose Marie Haynes
- The Astronomical Journal
- http://iopscience.iop.org/1538-3881/154/2/57
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
Photometric metallicities in Boötes I
- Volume 9, Issue 10 - article #10
- J. Hughes, G. Wallerstein, A. Dotter, and D. Geisler
- Monthly Notices of the Royal Astronomical Society - Volume: 439, Issue: 1
- Abstract Full Text (HTML) Full Text (PDF) SUPPORTING INFORMATION
Photometric Metallicities in Bootes I
- Volume 9, Issue 3 - article #10
- J. Hughes, G. Wallerstein, A. Dotter, D. Geisler
- arXiv.org - Astrophysics - Volume: 2014, Issue: 17 Jan
- arXiv:1401.3389 [pdf, ps, other]
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)
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 catalogue of Paschen-line profiles in standard stars
- Volume 7, Issue 51 - article #64
- W. Huang, G. Wallerstein and M. Stone
- Astronomy and Astrophysics - Volume: 547, Issue: November 2012
- http://dx.doi.org/10.1051/0004-6361/201219804
  Abstract | Full HTML | PDF (8.171 MB) | References | Tables at CDS | NASA ADS Abstract Service
The double sub-giant branch of NGC 6656 (M22): a chemical characterization
- Volume 7, Issue 7 - article #16
- A. F. Marino, A. P. Milone, C. Sneden, M. Bergemann, R. P. Kraft, G. Wallerstein, S. Cassisi, A. Aparicio, M. Asplund, R. L. Bedin, M. Hilker, K. Lind, Y. Momany, G. Piotto, I. U. Roederer, P. B. Stetson, M. Zoccali
- arXiv.org - Astrophysics - Volume: 2012, Issue: 17 Feb
- arXiv:1202.2825 [pdf, other]
Metal Abundance Calibration of the Ca II Triplet Lines in RR Lyrae Stars
- Volume 6, Issue 34 - article #10
- George Wallerstein (1), Thomas Gomez (1,2), Wenjin Huang (1,3) ((1) Department of Astronomy, University of Washington, Seattle (2) Department of Astronomy, University of Texas at Austin (3) Brion, Inc.)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 26 Aug
- arXiv:1108.4986 [pdf, ps, other]
The two metallicity groups of the globular cluster M22: a chemical perspective
- Volume 6, Issue 19 - article #18
- A. F. Marino, C. Sneden, R. P. Kraft, G. Wallerstein, J. E. Norris, G. Da Costa, A. P. Milone, I. I. Ivans, G. Gonzalez, J. P. Fulbright, M. Hilker, G. Piotto, M. Zoccali, P. B. Stetson
- arXiv.org - Astrophysics - Volume: 2011, Issue: 13 May
- arXiv:1105.1523 [pdf, other]
KP Cyg: an Unusual Metal-rich RR Lyr Type Star of Long Period
- Volume 5, Issue 23 - article #9
- S.M. Andrievsky, V.V. Kovtyukh, George Wallerstein, S.A. Korotin, Wenjin Huang
- arXiv.org - Astrophysics - Volume: 2010, Issue: 4 Jun
- arXiv:1006.0511 [pdf, ps, other]
The Composition of RR Lyrae Stars: Start-line for the AGB
- Volume 5, Issue 16 - article #10
- George Wallerstein, Wenjin Huang
- arXiv.org - Astrophysics - Volume: 2010, Issue: 16 Apr
- arXiv:1004.2017 [pdf, ps, other]
Carbon-rich RR Lyr type stars
- Volume 4, Issue 3 - article #3
- George Wallerstein, V. V. Kovtyukh, S. M. Andrievsky
- arXiv.org - Astrophysics - Volume: 2009, Issue: 15 Jan
- arXiv:0901.2148 [ps, pdf, other]
The Age and Metallicity of the Boötes I System
- Volume 3, Issue 47 - article #29
- <em >Joanne Hughes, George Wallerstein, and Anne Bossi</em&gt,
- Astronomical Journal - Volume: 136, Issue: 6
- Abstract | References
The Age and Metallicity of the Bootes I System
- Volume 3, Issue 44 - article #9
- Joanne Hughes, George Wallerstein, Anne Bossi
- arXiv.org - Astrophysics - Volume: 2008, Issue: 30 Oct
- arXiv:0810.4353 [ps, pdf, other]
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
Chemical Comparison of Sagittarius and Fornax Globular Clusters
- Volume 3, Issue 29 - article #17
- <em >Marta Mottini and George Wallerstein</em&gt,
- Astronomical Journal - Volume: 136, Issue: 2
- Abstract | References
FIRST STELLAR ABUNDANCES IN THE DWARF IRREGULAR GALAXY IC 1613
- Volume 2, Issue 47 - article #17
- Gražina Tautvaišienė, Doug Geisler, George Wallerstein, Jura Borissova, Dmitry Bizyaev, Bernard E. J. Pagel, Corinne Charbonnel, and Verne Smith
- Astronomical Journal - Volume: 134, Issue: 6
- Abstract Full Text with Enhancements PDF (1601 kB) PostScript
Chemical Abundances and Kinematics in Globular Clusters and Local Group Dwarf Galaxies and Their Implications for Formation Theories of the Galactic Halo
- Volume 2, Issue 32 - article #10
- Doug Geisler (Universidad de Concepcion), George Wallerstein (University of Washington), Verne V. Smith (National Optical Astronomy Observtory), Dana I. Casetti-Dinescu (Yale University)
- ArXiv - Astrophysics
- arXiv:0708.0570 [ps, pdf, other]
WASHINGTON PHOTOMETRY OF THE RED GIANT BRANCH IN NGC 6388
- Volume 2, Issue 25 - article #16
- Joanne Hughes, George Wallerstein, Ricardo Covarrubias, and Naydene Hays
- Astronomical Journal - Volume 134, Issue 1
- Abstract Full Text with Enhancements PDF (1930 kB)
NGC 6388: CHEMICAL COMPOSITION OF ITS EIGHT COOL GIANTS
- Volume 2, Issue 13 - article #14
- G. Wallerstein, V. V. Kovtyukh, and S. M. Andrievsky
- Astronomical Journal - Volume 133, Issue 4
- Abstract Full Text with Enhancements PDF (307 kB)

Results 1 - 29 of 29

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