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Results 1 - 43 of 43

High-resolution spectroscopic study of extremely metal-poor stars in the Large Magellanic Cloud. (arXiv:2312.12793v1 [astro-ph.SR])
- Volume 18, Issue 49 - article #2
- W. S. Oh, T. Nordlander, G. S. Da Costa, M. S. Bessell, A. D. Mackey
- http://arxiv.org/abs/2312.12793
Spectroscopic follow-up of statistically selected extremely metal-poor star candidates from GALAH DR3. (arXiv:2210.05161v1 [astro-ph.GA])
- Volume 17, Issue 40 - article #4
- G. S. Da Costa, M. S. Bessell, Thomas Nordlander, Arvind C. N. Hughes, A. D. Mackey, Lee R. Spitler, D. B. Zucker
- http://arxiv.org/abs/2210.05161
High resolution spectroscopic follow-up of the most metal-poor candidates from SkyMapper DR1.1. (arXiv:2107.06430v1 [astro-ph.GA])
- Volume 16, Issue 29 - article #1
- D. Yong, G. S. Da Costa, M. S. Bessell, A. Chiti, A. Frebel, X. Gao, K. Lind, A. D. Mackey, A. F. Marino, S. J. Murphy, T. Nordlander, M. Asplund, A. R. Casey, C. Kobayashi, J. E. Norris, B. P. Schmidt
- http://arxiv.org/abs/2107.06430
R-Process elements from magnetorotational hypernovae. (arXiv:2107.03010v1 [astro-ph.SR])
- Volume 16, Issue 28 - article #3
- D. Yong, C. Kobayashi, G. S. Da Costa, M. S. Bessell, A. Chiti, A. Frebel, K. Lind, A. D. Mackey, T. Nordlander, M. Asplund, A. R. Casey, A. F. Marino, S. J. Murphy, B. P. Schmidt
- http://arxiv.org/abs/2107.03010
${S}^5$: The destruction of a bright dwarf galaxy as revealed by the chemistry of the Indus stellar stream. (arXiv:2104.13883v1 [astro-ph.GA])
- Volume 16, Issue 18 - article #1
- T. T. Hansen, A. P. Ji, G. S. Da Costa, T. S. Li, A. R. Casey, A. B. Pace, L. R. Cullinane, D. Erkal, S. E. Koposov, K. Kuehn, G. F. Lewis, D. Mackey, N. Shipp, D. B. Zucker, J. Bland-Hawthorn, the S5 Collaboration
- http://arxiv.org/abs/2104.13883
Gaia and Hubble Unveil the Kinematics of Stellar Populations in the Type II Globular Clusters ω Centauri and M22
- Volume 15, Issue 32 - article #11
- G. Cordoni, A. P. Milone, A. F. Marino, G. S. Da Costa, E. Dondoglio, H. Jerjen, E. P. Lagioia, A. Mastrobuono-Battisti, J. E. Norris, M. Tailo,, D. Yong
- The Astrophysical Journal
- http://iopscience.iop.org/0004-637X/898/2/147
The SkyMapper DR1.1 Search for Extremely Metal-Poor Stars. (arXiv:1909.06227v1 [astro-ph.SR])
- Volume 14, Issue 38 - article #8
- G. S. Da Costa, M. S. Bessell, A. D. Mackey, T. Nordlander, M. Asplund, A. R. Casey, A. Frebel, K. Lind, A. F. Marino, S. J. Murphy, J. E. Norris, B. P. Schmidt, D. Yong
- http://arxiv.org/abs/1909.06227
The GALAH survey: properties of the Galactic disk(s) in the solar neighbourhood. (arXiv:1801.01514v1 [astro-ph.GA])
- Volume 13, Issue 2 - article #16
- L. Duong (ANU), K. C. Freeman (ANU), M. Asplund (ANU), L. Casagrande (ANU), S. Buder (MPIA), K. Lind (MPIA), M. Ness (MPIA), J. Bland-Hawthorn (USyd), G. M. De Silva (USyd), V. D'Orazi (INAF), J. Kos (USyd), G. F. Lewis (USyd), J. Lin (ANU), S. L. Martell (UNSW), K. Schlesinger (ANU), S. Sharma (Usyd), J. D. Simpson (AA0), D. B. Zucker (Macquarie University), T. Zwitter (University of Ljubljana), B. Anguiano (University of Virginia), G. S. Da Costa (ANU), E. Hyde (Western Sydney University), J. Horner (University of Southern Queensland), P. R. Kafle (ICRAR), D. M. Nataf (Johns Hopkins University), W. Reid (Macquarie University), D. Stello (USyd), Y.-S. Ting (ANU), R. F. G. Wyse (Johns Hopkins University)
- http://arxiv.org/abs/1801.01514
The Outer Envelopes of Globular Clusters. II. NGC 1851, NGC 5824 and NGC 1261. (arXiv:1709.02915v1 [astro-ph.GA])
- Volume 12, Issue 37 - article #7
- P. B. Kuzma, G. S. Da Costa, A. D. Mackey
- http://arxiv.org/abs/1709.02915
Identification of Globular Cluster Stars in RAVE data II: Extended tidal debris around NGC 3201
- Volume 11, Issue 9 - article #6
- B. Anguiano, G. M. De Silva, K. Freeman, G. S. Da Costa, T. Zwitter, A. C. Quillen, D. B. Zucker, J. F. Navarro, A. Kunder, A. Siebert, R. F. G. Wyse, E. K. Grebel, G. Kordopatis, B. K Gibson, G. Seabroke, S. Sharma, J. Wojno, J. Bland-Hawthorn, Q. A. Parker, M. Steinmetz, C. Boeche, G. Gilmore, O. BienaymÃ©, W. Reid, and F. Watson
- Monthly Notices of the Royal Astronomical Society - Volume: 457, Issue: 2
- Abstract Full Text (HTML) Full Text (PDF)
Identification of Globular Cluster Stars in RAVE data II: Extended tidal debris around NGC 3201
- Volume 11, Issue 3 - article #8
- B. Anguiano (Macquarie University), G. M. De Silva, K. Freeman, G. S. Da Costa, T. Zwitter, A. C. Quillen, D. B. Zucker, J. F. Navarro, A. Kunder, A. Siebert, R. F. G. Wyse, E. K. Grebel, G. Kordopatis, B. K. Gibson, G. Seabroke, S. Sharma, J. Wojno, J. Bland-Hawthorn, Q. A. Parker, M. Steinmetz, C. Boeche, G. Gilmore, O. Bienayme, W. Reid, F. Watson
- arXiv.org - Astrophysics - Volume: 2016, Issue: 15 Jan
- arXiv:1601.02282 [pdf, other]
The Ca ii triplet in red giant spectra: [Fe/H] determinations and the role of [Ca/Fe]
- Volume 10, Issue 44 - article #20
- G. S. Da Costa
- Monthly Notices of the Royal Astronomical Society - Volume: 455, Issue: 1
- Abstract Full Text (HTML) Full Text (PDF) SUPPORTING INFORMATION
Extremely metal-poor stars from the cosmic dawn in the bulge of the Milky Way
- Volume 10, Issue 42 - article #3
- L. M. Howes, A. R. Casey, M. Asplund, S. C. Keller, D. Yong, D. M. Nataf, R. Poleski, K. Lind, C. Kobayashi, C. I. Owen, M. Ness, M. S. Bessell, G. S. Da Costa, B. P. Schmidt, P. Tisserand, A. Udalski, M. K. Szymański, I. Soszyński, G. Pietrzyński, K. Ulaczyk, Ł. Wyrzykowski, P. Pietrukowicz, J. Skowron, S. Kozłowski, P. Mróz
- arXiv.org - Astrophysics - Volume: 2015, Issue: 13 Nov
- arXiv:1511.03930 [pdf, other]
Are the globular clusters with significant internal [Fe/H] spreads all former dwarf galaxy nuclei?
- Volume 10, Issue 37 - article #2
- G. S. Da Costa
- arXiv.org - Astrophysics - Volume: 2015, Issue: 9 Oct
- arXiv:1510.00873 [pdf, ps, other]
Stellar Substructures Around the Hercules Dwarf Spheroidal Galaxy
- Volume 10, Issue 21 - article #32
- T. A. Roderick, H. Jerjen, A. D. Mackey, and G. S. Da Costa
- The Astrophysical Journal - Volume: 804, Issue: 2
- View article PDF (1.31 MB)
Stellar Substructures around the Hercules Dwarf Spheroidal Galaxy
- Volume 10, Issue 11 - article #8
- T. A. Roderick, H. Jerjen, A. D. Mackey, G. S. Da Costa
- arXiv.org - Astrophysics - Volume: 2015, Issue: 20 Mar
- arXiv:1503.03896 [pdf, other]
FORS2/VLT survey of Milky Way globular clusters - I. Description of the method for derivation of metal abundances in the optical and application to NGC 6528, NGC 6553, M 71, NGC 6558, NGC 6426, and Terzan 8
- Volume 10, Issue 2 - article #11
- B. Dias, B. Barbuy, I. Saviane, E. V. Held, G. S. Da Costa, S. Ortolani, S. Vasquez, M. Gullieuszik and D. Katz
- Astronomy and Astrophysics - Volume: 573, Issue: January 2015
- http://dx.doi.org/10.1051/0004-6361/201423996
  Abstract Full HTML PDF (6.761 MB) ePUB (4.418 MB) References Online Material NASA ADS Abstract Service
Palomar 5 and its tidal tails: a search for new members in the tidal stream
- Volume 9, Issue 25 - article #50
- P. B. Kuzma, G. S. Da Costa, S. C. Keller, and E. Maunder
- Monthly Notices of the Royal Astronomical Society - Volume: 446, Issue: 4
- Abstract Full Text (HTML) Full Text (PDF)
The Gaia-ESO Survey: the most metal-poor stars in the Galactic bulge
- Volume 9, Issue 24 - article #57
- L. M. Howes, M. Asplund, A. R. Casey, S. C. Keller, D. Yong, G. Gilmore, K. Lind, C. Worley, M. S. Bessell, L. Casagrande, A. F. Marino, D. M. Nataf, C. I. Owen, G. S. Da Costa, B. P. Schmidt, P. Tisserand, S. Randich, S. Feltzing, A. Vallenari, C. Allende Prieto, T. Bensby, E. Flaccomio, A. J. Korn, E. Pancino, A. Recio-Blanco, R. Smiljanic, M. Bergemann, M. T. Costado, F. Damiani, U. Heiter, V. Hill, A. Hourihane, P. JofrÃ©, C. Lardo, P. de Laverny, L. Magrini, E. Maiorca, T. Masseron, L. Morbidelli, G. G. Sacco, D. Minniti, and M. Zoccali
- Monthly Notices of the Royal Astronomical Society - Volume: 445, Issue: 4
- Abstract Full Text (HTML) Full Text (PDF)
The Gaia-ESO Survey: the most metal-poor stars in the Galactic bulge
- Volume 9, Issue 23 - article #31
- L. Howes, M. Asplund, A. R. Casey, S. C. Keller, D. Yong, G. Gilmore, K. Lind, C. Worley, M. S. Bessell, L. Casagrande, A. F. Marino, D. M. Nataf, C. I. Owen, G. S. Da Costa, B. P. Schmidt, P. Tisserand, S. Randich, S. Feltzing, A. Vallenari, C. Allende Prieto, T. Bensby, E. Flaccomio, A. J. Korn, E. Pancino, A. Recio-Blanco, R. Smiljanic, M. Bergemann, M. T. Costado, F. Damiani, U. Heiter, V. Hill, A. Hourihane, P. Jofré, C. Lardo, P. de Laverny, L. Magrini, E. Maiorca, T. Masseron, L. Morbidelli, G. G. Sacco, D. Minniti, M. Zoccali
- arXiv.org - Astrophysics - Volume: 2014, Issue: 3 Oct
- arXiv:1409.7952 [pdf, other]
Deriving metallicities from calcium triplet spectroscopy in combination with near-infrared photometry
- Volume 9, Issue 16 - article #10
- F. Mauro, C. Moni Bidin, D. Geisler, I. Saviane, G. S. Da Costa, A. C. Gormaz-Matamala, S. Vasquez, A.-N. ChenÃ©, R. Cohen and B. Dias
- Astronomy and Astrophysics - Volume: 563, Issue: March 2014
- http://dx.doi.org/10.1051/0004-6361/201322929
  Abstract Full HTML PDF (563.2 KB) References Online Material Tables at CDS NASA ADS Abstract Service
A single low-energy, iron-poor supernova as the source of metals in the star SMSS J 031300.36-670839.3
- Volume 9, Issue 7 - article #1
- S. C. Keller, M. S. Bessell, A. Frebel, A. R. Casey, M. Asplund, H. R. Jacobson, K. Lind, J. E. Norris, D. Yong, A. Heger, Z. Magic, G. S. Da Costa, B. P. Schmidt, P. Tisserand
- arXiv.org - Astrophysics - Volume: 2014, Issue: 14 Feb
- arXiv:1402.1517 [pdf]
Deriving Metallicities from Calcium Triplet Spectroscopy in combination with Near Infrared Photometry
- Volume 9, Issue 1 - article #2
- F. Mauro, C. Moni Bidin, D. Geisler, I. Saviane, G. S. Da Costa, A. C. Gormaz-Matamala, S. Vasquez, A.-N. Chené, R. Cohen, B. Dias
- arXiv.org - Astrophysics - Volume: 2014, Issue: 3 Jan
- arXiv:1401.0014 [pdf, ps, other]
Finding RR Lyrae Stars with SkyMapper: an Observational Test
- Volume 8, Issue 35 - article #5
- S. Akhter, G. S. Da Costa, S. C. Keller, B. P. Schmidt, M. S. Bessell, P. Tisserand
- arXiv.org - Astrophysics - Volume: 2013, Issue: 30 Aug
- arXiv:1308.5486 [pdf, ps, other]
Main-Sequence Star Populations in the Virgo Overdensity Region
- Volume 8, Issue 20 - article #20
- H. Jerjen, G. S. Da Costa, B. Willman, P. Tisserand, N. Arimoto, S. Okamoto, M. Mateo, I. Saviane, S. Walsh, M. Geha, A. JordÃ¡n, E. Olszewski, M. Walker, M. Zoccali, and P. Kroupa
- The Astrophysical Journal - Volume: 769, Issue: 1
- Abstract References Full text PDF (9.02 MB) Enhanced article HTML
Population gradients and photometric metallicities in early- and transition-type dwarf galaxies: Clues from the Sculptor group
- Volume 8, Issue 7 - article #23
- S. Lianou, E. K. Grebel, G. S. Da Costa, M. Rejkuba, H. Jerjen and A. Koch
- Astronomy and Astrophysics - Volume: 550, Issue: February 2013
- http://dx.doi.org/10.1051/0004-6361/201219959
  Abstract | Full HTML | PDF (3.907 MB) | References | Online Material | Tables at CDS | NASA ADS Abstract Service
The Dynamics of the Outer Parts of ω Centauri
- Volume 7, Issue 20 - article #31
- G. S. Da Costa
- The Astrophysical Journal - Volume: 751, Issue: 1
- Abstract References Full text PDF (582 KB) HTML with Enhancements
The dynamics of the outer parts of omega Centauri
- Volume 7, Issue 11 - article #13
- G. S. Da Costa
- arXiv.org - Astrophysics - Volume: 2012, Issue: 16 Mar
- arXiv:1203.2710 [pdf, ps, other]
Nucleosynthesis in the Stellar Systems ω Centauri and M22
- Volume 6, Issue 1 - article #13
- <i&gt, G. S. Da Costa and A. F. Marino </i&gt,
- Publications of the Astronomical Society of Australia - Volume: 28, Issue: 1
- Abstract | Full Text | PDF (329 KB)
Ancient Stars Beyond the Local Group: RR Lyrae Variables and Blue Horizontal Branch Stars in Sculptor Group Dwarf Galaxies
- Volume 4, Issue 52 - article #29
- <em >G. S. Da Costa, M. Rejkuba, H. Jerjen, and E. K. Grebel</em&gt,
- The Astrophysical Journal Letters - Volume: 708, Issue: 2
- Abstract | References
Ancient stars beyond the Local Group: RR Lyrae variables and Blue Horizontal Branch stars in Sculptor Group Dwarf Galaxies
- Volume 4, Issue 50 - article #3
- G. S. Da Costa, M. Rejkuba, H. Jerjen, E. K. Grebel
- arXiv.org - Astrophysics - Volume: 2009, Issue: 11 Dec
- arXiv:0912.1069 [ps, pdf, other]
M22: An [Fe/H] Abundance Range Revealed
- Volume 4, Issue 44 - article #25
- <em >G. S. Da Costa, E. V. Held, I. Saviane, and M. Gullieuszik</em&gt,
- The Astrophysical Journal - Volume: 705, Issue: 2
- Abstract | References
Exploring the Sagittarius Stream With SEKBO Survey RR Lyrae Stars
- Volume 4, Issue 41 - article #32
- <em >Sayuri L. Prior, G. S. Da Costa, and Stefan C. Keller</em&gt,
- The Astrophysical Journal - Volume: 704, Issue: 2
- Abstract | References
M22: A [Fe/H] Abundance Range Revealed
- Volume 4, Issue 40 - article #10
- G. S. Da Costa, E. V. Held, I. Saviane, M. Gullieuszik
- arXiv.org - Astrophysics - Volume: 2009, Issue: 2 Oct
- arXiv:0909.5265 [ps, pdf, other]
Star Formation History of the Small Magellanic Cloud: Six Hubble Space Telescope/Advanced Camera for Survey Fields
- Volume 4, Issue 37 - article #28
- <em >E. Sabbi, J. S. Gallagher, M. Tosi, J. Anderson, A. Nota, E. K. Grebel, M. Cignoni, A. A. Cole, G. S. Da Costa, D. Harbeck, K. Glatt, and M. Marconi</em&gt,
- The Astrophysical Journal - Volume: 703, Issue: 1
- Abstract | References
A Spectroscopic Survey for ω Centauri Members at and beyond the Cluster Tidal Radius
- Volume 3, Issue 25 - article #17
- <em >G. S. Da Costa and Matthew G. Coleman</em&gt,
- Astronomical Journal - Volume: 136, Issue: 1
- Abstract | References
A Spectroscopic Survey for Omega Centauri Members at and beyond the Cluster Tidal Radius
- Volume 3, Issue 19 - article #1
- G. S. Da Costa, M. G. Coleman
- arXiv.org - Astrophysics - Volume: 2008, Issue: 8 May
- arXiv:0805.0823 [pdf, other]
Abundances on the Main Sequence of ω Centauri
- Volume 2, Issue 39 - article #2
- Laura M. Stanford, G. S. Da Costa, John E. Norris, and Russell D. Cannon
- The Astrophysical Journal - Volume: 667, Issue: 2
- ABSTRACT | FULL TEXT WITH ENHANCEMENTS | PDF (2417 kB) | PS
Abundances on the Main Sequence of Omega Centauri
- Volume 2, Issue 31 - article #15
- Laura M. Stanford, G. S. Da Costa, John E. Norris
- ArXiv - Astrophysics
- arXiv:0708.0096 [ps, pdf, other]
A Sr-Rich Star on the Main Sequence of Omega Centauri
- Volume 1, Issue 42 - article #16
- Laura M. Stanford, G. S. Da Costa, John E. Norris, Russell D. Cannon
- ArXiv - Astrophysics
- astro-ph/0611509 [abs, ps, pdf, other]
The Age-Metallicity Relation of the SMC
- Volume 1, Issue 23 - article #11
- A. Kayser, E. K. Grebel, D. R. Harbeck, A. A. Cole, A. Koch, J. S. Gallagher, G. S. Da Costa
- ArXiv - Astrophysics
- astro-ph/0607047 [abs, ps, pdf, other]
The Age and Metallicity Relation of Omega Centauri
- Volume 1, Issue 18 - article #20
- L. M. Stanford, G. S. Da Costa, J. E. Norris, R. D. Cannon
- ArXiv - Astrophysics
- astro-ph/0605612 [abs, ps, pdf, other]
THE NATURE OF THE DENSITY CLUMP IN THE FORNAX DWARF SPHEROIDAL GALAXY
- Volume 1, Issue 1 - article #26
- Edward W. Olszewski, Mario Mateo, Jason Harris, Matthew G. Walker, Matthew G. Coleman, and G. S. Da Costa
- Astronomical Journal - Volume 131, Issue 2
- Abstract Full Text with Enhancements PDF (2935 kB) Page 912

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