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Results 1 - 40 of 40

The GALAH Survey: A New Sample of Extremely Metal-poor Stars Using a Machine-learning Classification Algorithm
- Volume 17, Issue 18 - article #10
- Arvind C. N. Hughes, Lee R. Spitler, Daniel B. Zucker, Thomas Nordlander, Jeffrey Simpson, Gary S. Da Costa, Yuan-Sen Ting, Chengyuan Li, Joss Bland-Hawthorn, Sven Buder
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ac5fa7
S5: The Orbital and Chemical Properties of One Dozen Stellar Streams
- Volume 17, Issue 17 - article #7
- Ting S. Li, Alexander P. Ji, Andrew B. Pace, Denis Erkal, Sergey E. Koposov, Nora Shipp, Gary S. Da Costa, Lara R. Cullinane, Kyler Kuehn, Geraint F. Lewis
- The Astrophysical Journal
- https://doi.org/10.3847/1538-4357/ac46d3
The GALAH Survey: A New Sample of Extremely Metal-Poor Stars Using A Machine Learning Classification Algorithm. (arXiv:2203.10843v1 [astro-ph.GA])
- Volume 17, Issue 12 - article #8
- Arvind C.N. Hughes, Lee R. Spitler, Daniel B. Zucker, Thomas Nordlander, Jeffrey Simpson, Gary S. Da Costa, Yuan-Sen Ting, Chengyuan Li, Joss Bland-Hawthorn, Sven Buder, Andrew R. Casey, Gayandhi M. De Silva, Valentina D'Orazi, Ken C. Freeman, Michael R. Hayden, Janez Kos, Geraint F. Lewis, Jane Lin, Karin Lind, Sarah L. Martell, Katharine J. Schlesinger, Sanjib Sharma, Tomaz Zwitter, The GALAH Collaboration
- http://arxiv.org/abs/2203.10843
Signature of a Massive Rotating Metal-poor Star Imprinted in the Phoenix Stellar Stream
- Volume 16, Issue 45 - article #14
- Andrew R. Casey, Alexander P. Ji, Terese T. Hansen, Ting S. Li, Sergey E. Koposov, Gary S. Da Costa, Joss Bland-Hawthorn, Lara Cullinane, Denis Erkal, Geraint F. Lewis, Kyler Kuehn, Dougal Mackey, Sarah L. Martell, Andrew B. Pace, Jeffrey D. Simpson,, Daniel B. Zucker
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/921/1/67
Kinematics of Antlia 2 and Crater 2 from the Southern Stellar Stream Spectroscopic Survey ( S 5 )
- Volume 16, Issue 44 - article #6
- Alexander P. Ji, Sergey E. Koposov, Ting S. Li, Denis Erkal, Andrew B. Pace, Joshua D. Simon, Vasily Belokurov, Lara R. Cullinane, Gary S. Da Costa, Kyler Kuehn, Geraint F. Lewis, Dougal Mackey, Nora Shipp, Jeffrey D. Simpson, Daniel B. Zucker, Terese T. Hansen, Joss Bland-Hawthorn (S5 Collaboration)
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/921/1/32
$S^5$: The Orbital and Chemical Properties of One Dozen Stellar Streams. (arXiv:2110.06950v1 [astro-ph.GA])
- Volume 16, Issue 42 - article #1
- Ting S. Li, Alexander P. Ji, Andrew B. Pace, Denis Erkal, Sergey E. Koposov, Nora Shipp, Gary S. Da Costa, Lara R. Cullinane, Kyler Kuehn, Geraint F. Lewis, Dougal Mackey, Jeffrey D. Simpson, Daniel B. Zucker, Peter S. Ferguson, Sarah L. Martell, Joss Bland-Hawthorn, Eduardo Balbinot, Kiyan Tavangar, Alex Drlica-Wagner, Gayandhi M. De Silva1, Joshua D. Simon, S5 Collaboration
- http://arxiv.org/abs/2110.06950
Signature of a massive rotating metal-poor star imprinted in the Phoenix stellar stream. (arXiv:2109.03948v1 [astro-ph.GA])
- Volume 16, Issue 37 - article #5
- Andrew R. Casey, Alexander P. Ji, Terese T. Hansen, Ting S. Li, Sergey E. Koposov, Gary S. Da Costa, Joss Bland-Hawthorn, Lara Cullinane, Denis Erkal, Geraint F. Lewis, Kyler Kuehn, Dougal Mackey, Sarah L. Martell, Andrew B. Pace, Jeffrey D. Simpson, Daniel B. Zucker
- http://arxiv.org/abs/2109.03948
S 5 : The Destruction of a Bright Dwarf Galaxy as Revealed by the Chemistry of the Indus Stellar Stream
- Volume 16, Issue 29 - article #10
- Terese T. Hansen, Alexander P. Ji, Gary S. Da Costa, Ting S. Li, Andrew R. Casey, Andrew B. Pace, Lara R. Cullinane, Denis Erkal, Sergey E. Koposov, Kyler Kuehn, Geraint F. Lewis, Dougal Mackey, Jeffrey D. Simpson, Nora Shipp, Daniel B. Zucker, Joss Bland-Hawthorn ( S 5 Collaboration)
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/915/2/103
Kinematics of Antlia 2 and Crater 2 from The Southern Stellar Stream Spectroscopic Survey (S5). (arXiv:2106.12656v1 [astro-ph.GA])
- Volume 16, Issue 26 - article #1
- Alexander P. Ji, Sergey E. Koposov, Ting S. Li, Denis Erkal, Andrew B. Pace, Joshua D. Simon, Vasily Belokurov, Lara R. Cullinane, Gary S. Da Costa, Kyler Kuehn, Geraint F. Lewis, Dougal Mackey, Nora Shipp, Jeffrey D. Simpson, Daniel B. Zucker, Terese T. Hansen, Joss Bland-Hawthorn, S5 Collaboration
- http://arxiv.org/abs/2106.12656
Milky Way Tomography with the SkyMapper Southern Survey. II. Photometric Recalibration of SMSS DR2
- Volume 16, Issue 5 - article #9
- Yang Huang, Haibo Yuan, Chengyuan Li, Christian Wolf, Christopher A. Onken, Timothy C. Beers, Luca Casagrande, Dougal Mackey, Gary S. Da Costa, Joss Bland-Hawthorn, Dennis Stello, Thomas Nordlander, Yuan-Sen Ting, Sven Buder, Sanjib Sharma,, Xiaowei Liu
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/907/2/68
The GALAH+ Survey: Third Data Release. (arXiv:2011.02505v1 [astro-ph.GA])
- Volume 15, Issue 45 - article #10
- Sven Buder, Sanjib Sharma, Janez Kos, Anish M. Amarsi, Thomas Nordlander, Karin Lind, Sarah L. Martell, Martin Asplund, Joss Bland-Hawthorn, Andrew R. Casey, Gayandhi M. De Silva, Valentina D'Orazi, Ken C. Freeman, Michael R. Hayden, Geraint F. Lewis, Jane Lin, Katharine. J. Schlesinger, Jeffrey D. Simpson, Dennis Stello, Daniel B. Zucker, Tomaz Zwitter, Kevin L. Beeson, Tobias Buck, Luca Casagrande, Jake T. Clark, Klemen Cotar, Gary S. Da Costa, Richard de Grijs, Diane Feuillet, Jonathan Horner, Shourya Khanna, Prajwal R. Kafle, Fan Liu, Benjamin T. Montet, Govind Nandakumar, David M. Nataf, Melissa K. Ness, Lorenzo Spina, Gregor Traven, Thor Trepper-Garcia, Yuan-Sen Ting, Rok Vogrincic, Robert A. Wittenmyer, Marusa Zerjal, the GALAH collaboration
- http://arxiv.org/abs/2011.02505
SkyMapper Southern Survey: Second Data Release (DR2). (arXiv:2008.10359v1 [astro-ph.IM])
- Volume 15, Issue 35 - article #6
- Christopher A. Onken (1), Christian Wolf (1), Michael S. Bessell (1), Seo-Won Chang (1), Gary S. Da Costa (1), Lance C. Luvaul (1), Dougal Mackey (1), Brian P. Schmidt (1), Li Shao (1, 2) ((1) Research School of Astronomy & Astrophysics, Australian National University, (2) Kavli Institute for Astronomy, Astrophysics, Peking University)
- http://arxiv.org/abs/2008.10359
The tidal remnant of an unusually metal-poor globular cluster. (arXiv:2007.14577v1 [astro-ph.GA])
- Volume 15, Issue 31 - article #10
- Zhen Wan, Geraint F. Lewis, Ting S. Li, Jeffrey D. Simpson, Sarah L. Martell, Daniel B. Zucker, Jeremy R. Mould, Denis Erkal, Andrew B. Pace, Dougal Mackey, Alexander P. Ji, Sergey E. Koposov, Kyler Kuehn, Nora Shipp, Eduardo Balbinot, Joss Bland-Hawthorn, Andrew R. Casey, Gary S. Da Costa, Prajwal Kafle, Sanjib Sharma, Gayandhi M. De Silva
- http://arxiv.org/abs/2007.14577
Broken into Pieces: ATLAS and Aliqa Uma as One Single Stream. (arXiv:2006.10763v1 [astro-ph.GA])
- Volume 15, Issue 26 - article #3
- Ting S. Li, Sergey E. Koposov, Denis Erkal, Alexander P. Ji, Nora Shipp, Andrew B. Pace, Tariq Hilmi, Kyler Kuehn, Geraint F. Lewis, Dougal Mackey, Jeffrey D. Simpson, Zhen Wan, Daniel B. Zucker, Joss Bland-Hawthorn, Lara R. Cullinane, Gary S. Da Costa, Alex Drlica-Wagner, Kohei Hattori, Sarah L. Martell, Sanjib Sharma
- http://arxiv.org/abs/2006.10763
SkyMapper Southern Survey: First Data Release (DR1). (arXiv:1801.07834v1 [astro-ph.IM])
- Volume 13, Issue 4 - article #9
- Christian Wolf, Christopher A. Onken, Lance C. Luvaul, Brian P. Schmidt, Michael S. Bessell, Seo-Won Chang, Gary S. Da Costa, Dougal Mackey, Tony Martin-Jones, Simon J. Murphy, Tim Preston, Richard A. Scalzo, Li Shao, Jon Smillie, Patrick Tisserand, Marc C. White, Fang Yuan
- http://arxiv.org/abs/1801.07834
Tidal Tails around the Outer Halo Globular Clusters Eridanus and Palomar 15
- Volume 12, Issue 19 - article #10
- G. C. Myeong, Helmut Jerjen, Dougal Mackey,, Gary S. Da Costa
- The Astrophysical Journal Letters
- http://iopscience.iop.org/2041-8205/840/2/L25
A Chemical Signature from Fast-rotating Low-metallicity Massive Stars: ROA 276 in ω Centauri
- Volume 12, Issue 11 - article #6
- David Yong, John E. Norris, Gary S. Da Costa, Laura M. Stanford, Amanda I. Karakas, Luke J. Shingles, Raphael Hirschi,, Marco Pignatari
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/837/2/176
A chemical signature from fast-rotating low-metallicity massive stars: ROA 276 in omega Centauri. (arXiv:1702.07087v1 [astro-ph.SR])
- Volume 12, Issue 8 - article #1
- David Yong, John E. Norris, Gary S. Da Costa, Laura M. Stanford, Amanda I. Karakas, Luke J. Shingles, Raphael Hirschi, Marco Pignatari
- http://arxiv.org/abs/1702.07087
A 10 kpc stellar stream at the edge of the Large Magellanic Cloud: evidence for tidal stripping of the outer disk?
- Volume 10, Issue 28 - article #1
- Dougal Mackey, Sergey E. Koposov, Denis Erkal, Vasily Belokurov, Gary S. Da Costa, Facundo A. Gómez
- arXiv.org - Astrophysics - Volume: 2015, Issue: 7 Aug
- arXiv:1508.01356 [pdf, ps, other]
A Hero's Dark Horse: Discovery of an Ultra-faint Milky Way Satellite in Pegasus
- Volume 10, Issue 19 - article #14
- Dongwon Kim, Helmut Jerjen, Dougal Mackey, Gary S. Da Costa, and Antonino P. Milone
- The Astrophysical Journal Letters - Volume: 804, Issue: 2
- View article PDF (667 KB)
Discovery of a Faint Outer Halo Milky Way Star Cluster in the Southern Sky
- Volume 10, Issue 16 - article #29
- Dongwon Kim, Helmut Jerjen, Antonino P. Milone, Dougal Mackey, and Gary S. Da Costa
- The Astrophysical Journal - Volume: 803, Issue: 2
- View article PDF (1.52 MB)
High-Resolution Spectroscopic Study of Extremely Metal-Poor Star Candidates from the SkyMapper Survey
- Volume 10, Issue 15 - article #4
- Heather. R. Jacobson (MIT), Stefan Keller (ANU), Anna Frebel (MIT), Andrew R. Casey (U. Cambridge), Martin Asplund (ANU), Michael S. Bessell (ANU), Gary S. Da Costa (ANU), Karin Lind (U. Uppsala), Anna F. Marino (ANU), John E. Norris (ANU), Jose M. Pena (MIT), Brian P. Schmidt (ANU), Patrick Tisserand (ANU), Jennifer M. Walsh (Harvard), David Yong (ANU), Qinsi Yu (MIT)
- arXiv.org - Astrophysics - Volume: 2015, Issue: 17 Apr
- arXiv:1504.03344 [pdf, other]
A Hero's Dark Horse: Discovery of an Ultra-Faint Milky Way Satellite in Pegasus
- Volume 10, Issue 13 - article #1
- Dongwon Kim, Helmut Jerjen, Dougal Mackey, Gary S. Da Costa, Antonino P. Milone
- arXiv.org - Astrophysics - Volume: 2015, Issue: 3 Apr
- arXiv:1503.08268 [pdf, other]
Discovery of a Faint Outer Halo Milky Way Star Cluster in the Southern Sky
- Volume 10, Issue 7 - article #2
- Dongwon Kim, Helmut Jerjen, Antonino P. Milone, Dougal Mackey, Gary S. Da Costa
- arXiv.org - Astrophysics - Volume: 2015, Issue: 20 Feb
- arXiv:1502.03952 [pdf, other]
The s-Process Enrichment of the Globular Clusters M4 and M22
- Volume 9, Issue 22 - article #45
- Luke J. Shingles, Amanda I. Karakas, Raphael Hirschi, Cherie K. Fishlock, David Yong, Gary S. Da Costa, Anna F. Marino
- arXiv.org - Astrophysics - Volume: 2014, Issue: 5 Sep
- arXiv:1409.1227 [pdf, other]
Iron and neutron-capture element abundance variations in the globular cluster M2 (NGC 7089)
- Volume 9, Issue 20 - article #153
- David Yong, Ian U. Roederer, Frank Grundahl, Gary S. Da Costa, Amanda I. Karakas, John E. Norris, Wako Aoki, Cherie K. Fishlock, A. F. Marino, A. P. Milone, and Luke J. Shingles
- Monthly Notices of the Royal Astronomical Society - Volume: 441, Issue: 4
- Abstract Full Text (HTML) Full Text (PDF)
Chemical abundances in bright giants of the globular cluster M62 (NGC 6266)
- Volume 9, Issue 12 - article #13
- David Yong, Alan Alves Brito, Gary S. Da Costa, Javier Alonso-GarcÃa, Amanda I. Karakas, Marco Pignatari, Ian U. Roederer, Wako Aoki, Cherie K. Fishlock, Frank Grundahl, and John E. Norris
- Monthly Notices of the Royal Astronomical Society - Volume: 439, Issue: 3
- Abstract Full Text (HTML) Full Text (PDF) SUPPORTING INFORMATION
Chemical abundances in bright giants of the globular cluster M62 (NGC 6266)
- Volume 9, Issue 3 - article #4
- David Yong, Alan Alves Brito, Gary S. Da Costa, Javier Alonso-Garcia, Amanda I. Karakas, Marco Pignatari, Ian U. Roederer, Wako Aoki, Cherie K. Fishlock, Frank Grundahl, John E. Norris
- arXiv.org - Astrophysics - Volume: 2014, Issue: 17 Jan
- arXiv:1401.3784 [pdf, ps, other]
Extended Star Formation in the Intermediate-age Large Magellanic Cloud Star Cluster NGC 2209
- Volume 7, Issue 49 - article #31
- Stefan C. Keller, A. Dougal Mackey, and Gary S. Da Costa
- The Astrophysical Journal Letters - Volume: 761, Issue: 1
- Abstract References Full text PDF (1.26 MB) View as HTML
Probing the Stellar Halo of the Milky Way with the SEKBO RR Lyrae Survey
- Volume 7, Issue 35 - article #23
- Shaila Akhter, Gary S. Da Costa, Stefan C. Keller, and Brian P. Schmidt
- The Astrophysical Journal - Volume: 756, Issue: 1
- Abstract References Full text PDF (1.23 MB) HTML with Enhancements
Homogeneous Metallicities and Radial Velocities for Galactic Globular Clusters
- Volume 7, Issue 6 - article #7
- Ivo Saviane (1), Gary S. Da Costa (2), Enrico V. Held (3), Veronica Sommariva (3,7), Marco Gullieuszik (4), Beatriz Barbuy (5), Sergio Ortolani (6), ((1) ESO, (2) Mt Stromlo Observatory, Australia, (3) INAF, Osservatorio Astronomico di Padova, Italy, (4) Royal Observatory, Belgium, (5) University of Sao Paulo, Brazil, (6) University of Padova, Italy, (7) INAF, Osservatorio Astrofisico di Arcetri, Italy)
- arXiv.org - Astrophysics - Volume: 2012, Issue: 10 Feb
- arXiv:1202.1304 [pdf, ps, other]
The Globular Cluster System of the Milky Way: Accretion in a Cosmological Context
- Volume 7, Issue 2 - article #43
- Stefan C. Keller, Dougal Mackey and Gary S. Da Costa
- The Astrophysical Journal - Volume: 744, Issue: 1
- Abstract References Full text PDF (1.03 MB) View as HTML
The globular cluster system of the Milky Way: accretion in a cosmological context
- Volume 6, Issue 38 - article #17
- Stefan C. Keller, Dougal Mackey, Gary S. Da Costa
- arXiv.org - Astrophysics - Volume: 2011, Issue: 23 Sep
- arXiv:1109.4414 [pdf, other]
Segue 3: An Old, Extremely Low Luminosity Star Cluster in the Milky Way's Halo
- Volume 6, Issue 37 - article #27
- Ross Fadely, Beth Willman, Marla Geha, Shane Walsh, Ricardo R. MuÃ±oz, Helmut Jerjen, Luis C. Vargas and Gary S. Da Costa
- Astronomical Journal - Volume: 142, Issue: 3
- doi:10.1088/0004-6256/142/3/88 Tag this article
Segue 3: An Old, Extremely Low luminosity Star Cluster in the Milky Way's Halo
- Volume 6, Issue 29 - article #12
- Ross Fadely (1), Beth Willman (1), Marla Geha (2), Shane Walsh (3), Ricardo R. Munoz (2,4), Helmut Jerjen (5), Luis C. Vargas (2), Gary S. Da Costa (5). ((1) Haverford College, (2) Yale University, (3) Australian Astronomical Observatory, (4) Universidad de Chile, (5) Australian National University)
- arXiv.org - Astrophysics - Volume: 2011, Issue: 22 Jul
- arXiv:1107.3151 [pdf, other]
The Chemistry of the Trailing Arm of the Sagittarius Dwarf Galaxy
- Volume 5, Issue 34 - article #23
- Stefan C. Keller, David Yong, and Gary S. Da Costa
- The Astrophysical Journal - Volume: 720, Issue: 1
- Abstract References Full text PDF (619 KB) View as HTML
The Chemistry of the Trailing arm of the Sagittarius Dwarf Galaxy
- Volume 5, Issue 27 - article #21
- Stefan C. Keller, David Yong, Gary S. Da Costa
- arXiv.org - Astrophysics - Volume: 2010, Issue: 2 Jul
- arXiv:1006.4885 [pdf, other]
Abundances of C, N, Sr and Ba on the red giant branch of omega Centauri
- Volume 5, Issue 13 - article #4
- Laura M. Stanford, Gary S. Da Costa, John E. Norris
- arXiv.org - Astrophysics - Volume: 2010, Issue: 26 Mar
- arXiv:1003.4661 [pdf, ps, other]
Stellar overdensities in the halo: the extent of the Virgo overdensity^★
- Volume 4, Issue 12 - article #33
- Stefan C. Keller, Gary S. Da Costa, Sayuri L. Prior
- Monthly Notices of the Royal Astronomical Society - Volume: 394, Issue: 2
- Abstract | References | Full Text: HTML, PDF (Size: 694K)
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Stellar over-densities in the halo: the extent of the Virgo over-density
- Volume 4, Issue 3 - article #6
- Stefan C. Keller, Gary S. Da Costa, Sayuri L. Prior
- arXiv.org - Astrophysics - Volume: 2009, Issue: 15 Jan
- arXiv:0901.2145 [ps, pdf, other]

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