Areas of expertise

• Stellar Astronomy And Planetary Systems 020110
• Cosmology And Extragalactic Astronomy 020103
• Astronomical And Space Instrumentation 020102
• Galactic Astronomy 020104

Publications

• Huang, Y, Yuan, H, Li, C et al. 2021, 'Milky Way Tomography with the SkyMapper Southern Survey. II. Photometric Recalibration of SMSS DR2', The Astrophysical Journal, vol. 907, no. 68, pp. 1-16.
• Cordoni, G, Da Costa, G, Yong, D et al. 2021, 'Exploring the Galaxy's halo and very metal-weak thick disc with SkyMapper and Gaia DR2', Monthly Notices of the Royal Astronomical Society, vol. 503, no. 2, pp. 2539-2561.
• Hansen, T, Da Costa, G, Ji, A et al. 2021, 'S⁵: The Destruction of a Bright Dwarf Galaxy as Revealed by the Chemistry of the Indus Stellar Stream', The Astrophysical Journal, vol. 915, no. 103.
• Simpson, J, Martell, S, Buder, S et al. 2021, 'The GALAH survey: Accreted stars also inhabit the Spite plateau', Monthly Notices of the Royal Astronomical Society, vol. 507, no. 1, pp. 43-54.
• Wan, Z, Oliver, W, Baumgardt, H et al. 2021, 'The dynamics of the globular cluster NGC 3201 out to the Jacobi radius', Monthly Notices of the Royal Astronomical Society, vol. 502, no. 3, pp. 4513-4525.
• Casey, A, Ji, A, Hansen, T et al. 2021, 'Signature of a massive rotating metal-poor star imprinted in the phoenix stellar stream', The Astrophysical Journal, vol. 921, no. 1.
• Li, T, Koposov, S, Erkal, D et al. 2021, 'Broken into pieces: ATLAS and Aliqa Uma as one single stream', The Astrophysical Journal, vol. 911, no. 2.
• Yong, D, Da Costa, G, Bessell, M et al. 2021, 'High resolution spectroscopic follow-up of the most metal-poor candidates from SkyMapper DR1.1', Monthly Notices of the Royal Astronomical Society, vol. 507, no. 3, pp. 4102-4119.
• Koposov, S, Boubert, D, Li, T et al. 2020, 'Discovery of a nearby 1700 kms¹ star ejected from the Milky Way by Sgr A', Monthly Notices of the Royal Astronomical Society, vol. 491, pp. 2465-2480.
• Simpson, J, Martell, S, Da Costa, G et al. 2020, 'The GALAH Survey: Chemically tagging the Fimbulthul stream to the globular cluster ω Centauri', Monthly Notices of the Royal Astronomical Society, vol. 491, no. 3, pp. 3374-3384.
• Milone, A, Marino, A, Da Costa, G et al. 2020, 'Multiple populations in globular clusters and their parent galaxies', Monthly Notices of the Royal Astronomical Society, vol. 491, no. 1, pp. 515-531.
• Dalgleish, H, Dalgleish, H, Kamann, S et al. 2020, 'The WAGGS project-III. Discrepant mass-to-light ratios of Galactic globular clusters at high metallicity', Monthly Notices of the Royal Astronomical Society, vol. 492, no. 3, pp. 3859-3871.
• Murphy, S, Lawson, W, Onken, C et al. 2020, 'THOR 42: A touchstone similar to 24 Myr-old eclipsing binary spanning the fully convective boundary', Monthly Notices of the Royal Astronomical Society, vol. 491, no. 4, pp. 4902-4924.
• Kamann, S, Kamann, S, Bastian, N et al. 2020, 'How stellar rotation shapes the colour-magnitude diagram of the massive intermediate-age star cluster NGC 1846', Monthly Notices of the Royal Astronomical Society, vol. 492, no. 2, pp. 2177-2192.
• Simpson, J, Martell, S, Da Costa, G et al. 2020, 'The GALAH Survey: Chemically tagging the Fimbulthul stream to the globular cluster omega Centauri', Monthly Notices of the Royal Astronomical Society, vol. 491, no. 3, pp. 3374-3384.
• Kawka, A, Simpson, J, Vennes, S et al. 2020, 'The closest extremely low-mass white dwarf to the Sun', Monthly Notices of the Royal Astronomical Society, vol. 495, no. 1, pp. L129-L134.
• Wan, Z, Lewis, G, Li, T et al. 2020, 'The tidal remnant of an unusually metal-poor globular cluster', Nature, vol. 583, no. 7818, pp. 768-770.
• Cordoni, G, Milone, A, Marino, A et al. 2020, 'Gaia and Hubble Unveil the Kinematics of Stellar Populations in the Type II Globular Clusters ω Centauri and M22', The Astrophysical Journal, vol. 898, no. 2, pp. -.
• Ji, A, Li, T, Hansen, T et al. 2020, 'The Southern Stellar Stream Spectroscopic Survey (S5): Chemical Abundances of Seven Stellar Streams', The Astronomical Journal, vol. 160, no. 4, pp. 1-29.
• Cullinane, L, Mackey, D, Da Costa, G et al. 2020, 'The Magellanic Edges Survey I: Description and first results', Monthly Notices of the Royal Astronomical Society, vol. 497, no. 3, pp. 3055-3075.
• Salgado Escalona, C, Da Costa, G, Norris, J et al. 2019, 'An investigation of C, N, and Na abundances in red giant stars of the Sculptor dwarf spheroidal galaxy', Monthly Notices of the Royal Astronomical Society, vol. 484, no. 3, pp. 3093-3118.
• Mould, J, Clementini, G & Da Costa, G 2019, 'Galactic calibration of the tip of the red giant branch', Publications of the Astronomical Society of Australia, vol. 36, pp. 1-6.
• Marino, A, Da Costa, G, Casey, A et al. 2019, 'Keck HIRES spectroscopy of SkyMapper commissioning survey candidate extremely metal-poor stars', Monthly Notices of the Royal Astronomical Society, vol. 485, no. 4, pp. 5153-5167.
• Nordlander, T, Bessell, M, Da Costa, G et al. 2019, 'The lowest detected stellar Fe abundance: the halo star SMSS J160540.18-144323.1', Monthly Notices of the Royal Astronomical Society, vol. 488, no. 1, pp. L109-L113.
• Li, T, Koposov, S, Zucker, D et al. 2019, 'The southern stellar stream spectroscopic survey (S (5)): Overview, target selection, data reduction, validation, and early science', Monthly Notices of the Royal Astronomical Society, vol. 490, no. 3, pp. 3508-3531.
• Da Costa, G, Bessell, M, Mackey, D et al. 2019, 'The SkyMapper DR1.1 search for extremely metal-poor stars', Monthly Notices of the Royal Astronomical Society, vol. 489, no. 4, pp. 5900-5918.
• Onken, C, Wolf, C, Bessell, M et al. 2019, 'SkyMapper Southern Survey: Second data release (DR2)', Publications of the Astronomical Society of Australia, vol. 36.
• Simpson, J, Martell, S, Da Costa, G et al. 2019, 'The GALAH survey: co-orbiting stars and chemical tagging', Monthly Notices of the Royal Astronomical Society, vol. 482, no. 4, pp. 5302-5315.
• Simpson, J, Martell, S, Da Costa, G et al. 2019, 'The GALAH survey: Co-orbiting stars and chemical tagging', Monthly Notices of the Royal Astronomical Society, vol. 482, no. 4, pp. 5302-5315.
• Kuzma, P, Da Costa, G & Mackey, D 2018, 'The outer envelopes of globular clusters. II. NGC 1851, NGC 5824 and NGC 1261', Monthly Notices of the Royal Astronomical Society, vol. 473, no. 3, pp. 2881-2898pp.
• Da Costa, G, Soria, R, Farrell, S et al. 2018, 'SMSS J130522.47-293113.0: A high-latitude stellar X-ray source with pc-scale outflow relics?', Monthly Notices of the Royal Astronomical Society, vol. 477, no. 1, pp. 766-779.
• Mackey, D, Koposov, S, Da Costa, G et al. 2018, 'Substructures and Tidal Distortions in the Magellanic Stellar Periphery', Astrophysical Journal Letters, vol. 858, no. 2, pp. 1-7.
• Marino, A, Yong, D, Milone, A et al 2018, 'Metallicity Variations in the Type II Globular Cluster NGC 6934', The Astrophysical Journal, vol. 859, no. 2, pp. 1-20.
• Yoon, J, Beers, T, Dietz, S et al 2018, 'Galactic Archeology with the AEGIS Survey: The Evolution of Carbon and Iron in the Galactic Halo', The Astrophysical Journal, vol. 861, no. 146, pp. 18pp.
• Marino, A, Przybilla, N, Milone, A et al 2018, 'Different Stellar Rotations in the Two Main Sequences of the Young Globular Cluster NGC 1818: The First Direct Spectroscopic Evidence', Astronomical Journal, vol. 156, no. 116, pp. 1-10.
• Milone, A, Marino, A, Di Criscienzo, M et al. 2018, 'Multiple stellar populations in Magellanic Cloud clusters - VI. A survey of multiple sequences and Be stars in young clusters', Monthly Notices of the Royal Astronomical Society, vol. 477, no. 2, pp. 2640-2663pp.
• Duong, L, Freeman, K, Asplund, M et al. 2018, 'The GALAH survey: Properties of the Galactic disc(s) in the solar neighbourhood', Monthly Notices of the Royal Astronomical Society, vol. 476, no. 4, pp. 5216-5232pp.
• Koposov, S, Walker, M, Belokurov, V et al. 2018, 'Snake in the Clouds: A new nearby dwarf galaxy in the Magellanic bridge', Monthly Notices of the Royal Astronomical Society, vol. 479, no. 4, pp. 5343-5361pp.
• Vasquez, S, Saviane, I, Held, E et al 2018, 'Homogeneous metallicities and radial velocities for Galactic globular clusters II. New CaT metallicities for 28 distant and reddened globular clusters', Astronomy and Astrophysics, vol. 619, pp. 1-12pp.
• Kos, J, Bland-Hawthorn, J, Freeman, K et al. 2018, 'The GALAH survey: chemical tagging of star clusters and new members in the Pleiades', Monthly Notices of the Royal Astronomical Society, vol. 473, no. 4, pp. 4612-4633.
• Buder, S, Asplund, M, Duong, L et al. 2018, 'The GALAH Survey: Second data release', Monthly Notices of the Royal Astronomical Society, vol. 478, no. 4, pp. 4513-4552.
• Gao, X, Lind, K, Amarsi, A et al. 2018, 'The GALAH survey: Verifying abundance trends in the open cluster M67 using non-LTE modelling', Monthly Notices of the Royal Astronomical Society, vol. 481, no. 2, pp. 2666-2684.
• Wolf, C, Onken, C, Luvaul, L et al 2018, 'SkyMapper Southern Survey: First Data Release (DR1)', Publications of the Astronomical Society of Australia, vol. 35, pp. 1-29.
• Marino, A, Milone, A, Yong, D et al 2017, 'Spectroscopy and Photometry of Multiple Populations along the Asymptotic Giant Branch of NGC 2808 and NGC 6121 (M4)', The Astrophysical Journal, vol. 843, no. 1, pp. 66 (16pp).
• Mackey, D, Koposov, S, Da Costa, G et al. 2017, 'Structured star formation in the Magellanic inter-cloud region', Monthly Notices of the Royal Astronomical Society, vol. 472, no. 3, pp. 2975-2989.
• Traven, G, MatijeviÄ?, G, Zwitter, T et al. 2017, 'The Galah Survey: Classification and Diagnostics with t-SNE Reduction of Spectral Information', Astrophysical Journal Supplement Series, vol. 228, no. 2, pp. 19pp.
• Kos, J, Lin, J, Zwitter, T et al. 2017, 'The GALAH survey: The data reduction pipeline', Monthly Notices of the Royal Astronomical Society, vol. 464, no. 2, pp. 1259-1281pp.
• Martell, S, Sharma, S, Buder, S et al. 2017, 'The GALAH survey: observational overview and Gaia DR1 companion', Monthly Notices of the Royal Astronomical Society, vol. 465, no. 3, pp. 3203-3219pp.
• Myeong, G C, Jerjen, H, Mackey, D, et al., 2017, 'Tidal Tails around the Outer Halo Globular Clusters Eridanus and Palomar 15', Astrophysical Journal Letters, vol. 840, no. 2, L25, 6 pp.
• Yong, D, Norris, J, Da Costa, G et al 2017, 'A Chemical Signature from Fast-rotating Low-metallicity Massive Stars: ROA 276 in omega Centauri', Astrophysical Journal, The, vol. 837, 176 (8 pp).
• Roderick, T, Jerjen, H, Da Costa, G et al. 2016, 'Structural analysis of the Sextans dwarf spheroidal galaxy', Monthly Notices of the Royal Astronomical Society, vol. 460, no. 1, pp. 30-43pp.
• Yong, D, Da Costa, G & Norris, J 2016, 'Confirming the intrinsic abundance spread in the globular cluster NGC 6273 (M19) with calcium triplet spectroscopy', Monthly Notices of the Royal Astronomical Society, vol. 460, no. 2, pp. 1846-1853.
• Kuzma, P, Da Costa, G, Mackey, D et al. 2016, 'The outer envelopes of globular clusters - I. NGC 7089 (M2)', Monthly Notices of the Royal Astronomical Society, vol. 461, no. 4, pp. 3639-3652.
• Roderick, T, Mackey, D, Jerjen, H et al. 2016, 'Extended stellar substructure surrounding the Boötes I dwarf spheroidal galaxy', Monthly Notices of the Royal Astronomical Society, vol. 461, no. 4, pp. 3702-3713.
• Kim, D, Jerjen, H, Geha, M et al. 2016, 'Portrait of a Dark Horse: a Photometric and Spectroscopic Study of the Ultra-faint Milky Way Satellite Pegasus III', The Astrophysical Journal, vol. 833, no. 1, pp. 9pp.
• Anguiano, B, De Silva, G, Freeman, K et al 2016, 'Identification of Globular Cluster Stars in RAVE data II: Extended tidal debris around NGC 3201', Monthly Notices of the Royal Astronomical Society, vol. 457, no. 2, pp. 2078-2085.
• Kim, D, Jerjen, H, Mackey, D et al. 2016, 'KIM 3: AN ULTRA-FAINT STAR CLUSTER IN THE CONSTELLATION OF CENTAURUS', The Astrophysical Journal, vol. 820, no. 2, pp. 1-7.
• Dias, B, Barbuy, B, Saviane, I et al 2016, 'FORS2/VLT survey of Milky Way globular clusters II. Fe and Mg abundances of 51 Milky Way globular clusters on a homogeneous scale', Astronomy and Astrophysics, vol. 590, pp. 1-15.
• Da Costa, G 2016, 'The Ca II triplet in red giant spectra: [Fe/H] determinations and the role of [Ca/Fe]', Monthly Notices of the Royal Astronomical Society, vol. 455, no. 1, pp. 199-206.
• Mackey, D, Koposov, S, Erkal, D et al. 2016, 'A 10 kpc stellar substructure at the edge of the Large Magellanic Cloud: Perturbed outer disc or evidence for tidal stripping?', Monthly Notices of the Royal Astronomical Society, vol. 459, no. 1, pp. 239-255.
• Howes, L, Asplund, M, Keller, S et al. 2016, 'The EMBLA Survey - Metal-poor stars in the Galactic bulge', Monthly Notices of the Royal Astronomical Society, vol. 460, no. 1, pp. 884-901.
• Milone, A, Marino, A, D'Antona, F et al 2016, 'Multiple stellar populations in Magellanic Cloud clusters. IV. The double main sequence of the young cluster NGC 1755', Monthly Notices of the Royal Astronomical Society, vol. 458, no. 4, pp. 4368-4382
• Salgardo, C., Da Costa, G, Yong, D et al 2016, 'Scl-1013644: A CEMP-s star in the Sculptor dwarf spheroidal galaxy', Monthly Notices of the Royal Astronomical Society, vol. 463, no. 1, pp. 598-603.
• Crnojevic, D, Grebel, E, Ferguson, A et al 2015, 'Galaxy evolution through resolved stellar populations in the nearby Centaurus A group', Memorie Della Societa Astronomica Italiana, vol. 86, pp. 302-305.
• Kuzma, P, Da Costa, G, Keller, S et al 2015, 'Palomar 5 and its tidal tails: a search for new members in the tidal stream', Monthly Notices of the Royal Astronomical Society, vol. 446, no. 4, pp. 3297-3309.
• Kim, D, Jerjen, H, Mackey, D et al. 2015, 'A Hero's Dark Horse: Discovery of an Ultra-faint Milky Way Satellite in Pegasus', Astrophysical Journal Letters, vol. 804, no. 2, pp. 5pp.
• Dias, B, Barbuy, B, Saviane, I et al 2015, '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', Astronomy and Astrophysics, vol. 573, pp. 1-23.
• Howes, L, Casey , A, Asplund, M et al. 2015, 'Extremely metal-poor stars from the cosmic dawn in the bulge of the Milky Way', Nature, vol. 527, no. 7579, pp. 484-487.
• Petroff, E, Bailes, M, Barr, E et al 2015, 'A real-time fast radio burst: Polarization detection and multiwavelength follow-up', Monthly Notices of the Royal Astronomical Society, vol. 447, no. 1, pp. 246-255.
• Kim, D, Jerjen, H, Milone, A et al. 2015, 'Discovery of a faint outer halo Milky Way star cluster in the southern sky', The Astrophysical Journal, vol. 803, no. 2, pp. 63/1-9.
• Roderick, T, Jerjen, H, Mackey, D et al. 2015, 'Stellar Substructures around the Hercules Dwarf Spheroidal Galaxy', The Astrophysical Journal, vol. 804, no. 2, pp. 1-12.
• De Silva, G, Freeman, K, Bland-Hawthorn, J et al. 2015, 'The GALAH survey: Scientific motivation', Monthly Notices of the Royal Astronomical Society, vol. 449, no. 3, pp. 2604-2617.
• Howes, L, Casey , A, Asplund, M et al. 2015, 'Extremely metal-poor stars from the cosmic dawn in the bulge of the Milky Way', Nature, vol. 527, no. 7579, pp. 484-487.
• Bessell, M, Collet, R, Keller, S et al 2015, 'Nucleosynthesis in a primordial supernova: Carbon and oxygen abundances in SMSS J031300.36-670839.3', Astrophysical Journal Letters, vol. 806, L16.
• Jacobson, H, Keller, S, Frebel, A et al 2015, 'HIGH-RESOLUTION SPECTROSCOPIC STUDY of EXTREMELY METAL-POOR STAR CANDIDATES from the SKYMAPPER SURVEY', Astrophysical Journal, The, vol. 807, 171 (20pp).
• Marino, A, Milone, A, Karakas, A et al 2015, 'Iron and s-elements abundance variations in NGC 5286: Comparison with 'anomalous' globular clusters and Milky Way satellites', Monthly Notices of the Royal Astronomical Society, vol. 450, pp. 815-845.
• Howes, L, Asplund, M, Casey , A et al. 2014, 'The Gaia-ESO Survey: the most metal-poor stars in the Galactic bulge', Monthly Notices of the Royal Astronomical Society, vol. 445, no. 4, pp. 4241-4246.
• Jacobson, H, Asplund, M, Bessell, M et al. 2014, 'Detailed element abundances of SkyMapper EMP stars: first results of the high-resolution spectroscopic follow up', Memorie Della Societa Astronomica Italiana, vol. 85, pp. 227-231.
• Piatti, A, Keller, S, Mackey, D et al. 2014, 'Gemini/GMOS photometry of intermediate-age star clusters in the Large Magellanic Cloud', Monthly Notices of the Royal Astronomical Society, vol. 444, no. 2, pp. 1425-1441.
• Marino, A, Milone, A, Yong, D et al. 2014, 'The halo plus cluster system of the Galactic globular cluster NGC 1851(a similar to...)', Monthly Notices of the Royal Astronomical Society, vol. 442, no. 4, pp. 3044-3064.
• Casey, A, Keller, S, Alves Brito, A et al. 2014, 'The Aquarius comoving group is not a disrupted classical globular cluster', Monthly Notices of the Royal Astronomical Society, vol. 443, no. 1, pp. 828-851.
• Yong, D, Alves Brito, A, Da Costa, G et al. 2014, 'Chemical abundances in bright giants of the globular cluster M62 (NGC 6266)(star)', Monthly Notices of the Royal Astronomical Society, vol. 439, no. 3, pp. 2638-2650.
• Keller, S, Bessell, M, Frebel, A et al. 2014, 'A single low-energy, iron-poor supernova as the source of metals in the star SMSS J031300.36-670839.3', Nature, vol. 506, no. 7489, pp. 463-466.
• Yong, D, Roederer, I, Grundahl, F et al 2014, 'Iron and neutron-capture element abundance variations in the globular cluster M2 (NGC 7089)', Monthly Notices of the Royal Astronomical Society, vol. 441, no. 4, pp. 3396-3416.
• Casey, A, Keller, S, Da Costa, G et al 2014, 'Hunting the parent of the orphan stream. II. the first high-resolution spectroscopic study', The Astrophysical Journal, vol. 784, no. 1, pp. 1-14.
• Da Costa, G, Held, E & Saviane, I 2014, 'Ngc 5824: A luminous outer halo globular cluster with an intrinsic abundance spread', Monthly Notices of the Royal Astronomical Society, vol. 438, no. 4, pp. 3507-3520.
• Shingles, L, Karakas, A, Hirschi, R et al 2014, 'The s-process enrichment of the globular clusters M4 and M22', The Astrophysical Journal, vol. 795, no. 1, pp. 34 (12 pp).
• Mauro, F, Mauro, F, Bidin, C et al 2014, 'Deriving metallicities from calcium triplet spectroscopy in combination with near-infrared photometry', Astronomy and Astrophysics, vol. 563, p. 22.
• Lianou, S, Grebel, E, Da Costa, G et al 2013, 'Population gradients and photometric metallicities in early- and transition-type dwarf galaxies: Clues from the Sculptor group', The Astrophysical Journal, vol. 550, p. 10.
• Jerjen, H, Da Costa, G, Willman, B et al 2013, 'Main-sequence star populations in the virgo overdensity region', The Astrophysical Journal, vol. 769, no. 1, p. 11.
• Akhter, S, Da Costa, G, Keller, S et al. 2013, 'Finding RR Lyrae Stars with SkyMapper: An Observational Test', Publications of the Astronomical Society of Australia, vol. 30, pp. e051 (1-9).
• Casey, A, Da Costa, G, Keller, S et al 2013, 'Hunting the parent of the orphan stream: Identifying stream members from low-resolution spectroscopy', Astrophysical Journal, The, vol. 764, 39, (7 pp).
• Da Costa, G, Norris, J & Yong, D 2013, 'Magnesium isotope ratios in omega Centauri red giants', Astrophysical Journal, The, vol. 769, 8 (15pp).
• Mackey, A, Da Costa, G, Ferguson, A et al 2013, 'A VLT/FLAMES study of the peculiar intermediate-age large magellanic cloud star cluster NGC 1846. I. Kinematics', Astrophysical Journal, The, vol. 762, 65 (20 pp).
• Casey, A, Keller, S & Da Costa, G 2012, 'Kinematics and chemistry of halo substructures: The vicinity of the Virgo Overdensity', Astronomical Journal, vol. 143, 88 (10 pp).
• Keller, S, Mackey, A & Da Costa, G 2012, 'Extended star formation in the intermediate-age large magellanic cloud star cluster NGC 2209', Astrophysical Journal Letters, vol. 761, no. 1, L5
• Akter, S, Da Costa, G, Keller, S & Schmidt, B 2012, 'Probing the stellar halo of the milky way with the SEKBO RR Lyrae survey**', Astrophysical Journal, The, vol. 756, no. 1, 23
• Da Costa, G 2012, 'The dynamics of the outer parts of omega Centauri', Astrophysical Journal, The, vol. 751, no. 1, 6
• Keller, S, Mackey, D, Da Costa, G S 2012, 'The globular cluster system of the milky way: Accretion in a cosmological context**', Astrophysical Journal, The, vol. 744, 57 (9 pp)
• Saviane, I, Da Costa, G, Held, E et al 2012, 'Homogeneous metallicities and radial velocities for Galactic globular clusters: First CaT metallicities for twenty clusters', Astronomy and Astrophysics, vol. 540, A27, (20 pp.)
• Crnojevic, D, Grebel, E, Ferguson, A et al 2012, 'How Unique Is the Local Group? A Comparison to the Nearby Centaurus A Group', Galactic Archaeology: Near-Field Cosmology and the Formation of the Milky Way, ed. W. Aoki, M. Ishigaki, T. Suda, T. Tsujimoto, N. Arimoto, Astronomical Society of the Pacific, San Francisco, pp. 321-322pp.
• Marino, A, Sneden, C, Kraft, R et al 2011, 'The two metallicity groups of the globular cluster M22: a chemical perspective', Astronomy and Astrophysics, vol. 532.
• Da Costa, G & Marino, A 2011, 'Nucleosynthesis in the Stellar Systems omega Centauri and M22', Publications of the Astronomical Society of Australia, vol. 28, no. 1, pp. 28-37.
• Hislop, L, Mould, J, Schmidt, B et al. 2011, 'THE EXTRAGALACTIC DISTANCE SCALE WITHOUT CEPHEIDS. IV.', The Astrophysical Journal, vol. 733, no. 2, pp. A75-14.
• Crnojevic, D, Grebel, E, Cole, A et al 2011, 'Dwarf Galaxies Beyond Our Doorstep: the Centaurus Group', European Astronomical Society Publications Series, vol. 48, pp. 51-57.
• Fadely, R, Willman, B, Geha, M et al 2011, 'Segue 3: An Old, Extremely Low Luminosity Star Cluster in the Milky Way's Halo', Astronomical Journal, vol. 142, no. 3, pp. A88-12.
• Crnojevic, D, Rejkuba, M, Grebel, E et al 2011, 'Luminous AGB Stars beyond the Local Group: Tracers of Intermediate-age Populations in the Cen A Group', Why Galaxies Care about AGB Stars II: Shining Examples and Common Inhabitants, ed. F. Kerschbaum, T. Lebzelter, and R.F. Wing. San Francisco, Astronomical Society of the Pacific, San Francisco, United States, pp. 2pp.
• Glatt, K, Grebel, E, Jordi, K et al 2011, 'Present-day Mass Function of Six Small Magellanic Cloud Intermediate-age and Old Star Clusters', Astronomical Journal, vol. 142, no. 2, pp. A36-15.
• Rejkuba, M, Da Costa, G, Jerjen, H et al 2011, 'Discovery of RR Lyrae Stars in the Sculptor Group Dwarf Galaxies', European Astronomical Society Publications Series, vol. 48, pp. 61-62.
• Cesetti, M, Held, E, Gullieuszik, M et al 2011, 'Disentangling the Stellar Populations of Fornax Dwarf Spheroidal', European Astronomical Society Publications Series, vol. 48, pp. 69-70.
• Da Costa, G & Marino, A 2011, 'Nucleosynthesis in the stellar systems Centauri and M22', Publications of the Astronomical Society of Australia, vol. 28, no. 1, pp. 28-37.
• Jerjen, H 2011, 'A close look at the Centaurus A group of galaxies: II. Intermediate-age populations in early-type dwarfs', Astronomy & Astrophysics, vol. 530, pp. -.
• Keller, S.C., Mackey, A.D., & Da Costa, G.S. 2011, 'The extended main-sequence turn-off clusters of the Large Magellanic Cloud - missing links in globular cluster evolution', The Astrophysical Journal, vol. 731, p. 22
• Marino, A.F., Sneden, C., Kraft, R.P., Wallerstein, G., Norris, J.E., Da Costa, G.S., et al. 2011, 'The two metallicity groups of the globular cluster M 22: A chemical perspective', Astronomy & Astrophysics, vol. 532, id. A8.
• Stanford, L, Da Costa, G & Norris, J 2010, 'Abundances of the star ROA 276 in omega Cen', Memorie Della Societa Astronomica Italiana, vol. 81, pp. 1090-1094.
• Keller, S, Yong, D & Da Costa, G 2010, 'The Chemistry of the Trailing Arm of the Sagittarius Dwarf Galaxy', The Astrophysical Journal, vol. 720, no. 1, pp. 940-947.
• Da Costa, G, Rejkuba, M, Jerjen, H et al 2010, 'Ancient Stars Beyond the Local Group: RR Lyrae Variables and Blue Horizontal Branch Stars in Sculptor Group Dwarf Galaxies', The Astrophysical Journal, vol. 708, no. 2, pp. L121-L125.
• Held, E, Tolstoy, E, Rizzi, L et al 2010, 'The star formation history of the Fornax dwarf spheroidal galaxy', International Astronomical Union Symposium 262, Cambridge Journals, unknown, pp. 353-354.
• Stanford, L, Da Costa, G & Norris, J 2010, 'Abundances of C, N, Sr, and Ba on the Red Giant Branch of omega Centauri', Astrophysical Journal, The, vol. 714, no. 2, pp. 1001-1014.
• Da Costa, G, Grebel, E, Jerjen, H et al 2009, 'Scl-dE1 GC1: An Extended Globular Cluster in a Low-Luminosity Dwarf Elliptical Galaxy', Astronomical Journal, vol. 137, no. 5, pp. 4361-4367.
• Keller, S, Da Costa, G & Prior, S 2009, 'Stellar overdensities in the halo: the extent of the Virgo overdensity', Monthly Notices of the Royal Astronomical Society, vol. 394, no. 2, pp. 1045-1050.
• Bouchard, A, Da Costa, G & Jerjen, H 2009, 'The Environmental Influence on the Evolution of Local Galaxies', Astronomical Journal, vol. 137, no. 2, pp. 3038-3052.
• Sabbi, E, Gallagher, J, Tosi, M et al 2009, 'Star Formation History of the Small Magellanic Cloud: Six Hubble Space Telescope/Advanced Camera for Survey Fields', The Astrophysical Journal, vol. 703, no. 1, pp. 721-735.
• Da Costa, G, Held, E, Saviane, I et al 2009, 'M22: An [Fe/H] Abundance Range Revealed', The Astrophysical Journal, vol. 705, no. 2, pp. 1481-1491.
• Glatt, K, Grebel, E, Gallagher, J et al 2009, 'Structural Parameters of Seven Small Magellanic Cloud Intermediate-Age and Old Star Clusters', Astronomical Journal, vol. 138, no. 5, pp. 1403-1416.
• Prior, S, Da Costa, G, Keller, S et al 2009, 'Extending the Virgo Stellar Stream with SEKBO Survey RR Lyrae Stars', The Astrophysical Journal, vol. 691, no. 1, pp. 306-319.
• Murphy, S, Keller, S, Schmidt, B et al. 2009, 'SkyMapper and the Southern Sky Survey: A Valuable Resource for Stellar Astrophysics', 8th Pacific Rim Conference on Stellar Astrophysics (PRCSA 2008), ed. B. Soonthornthum, S. Komonjinda, K.S. Cheng, and K.C. Leung, Astronomical Society of the Pacific, San Francisco, pp. 356-360.
• Prior, S, Da Costa, G & Keller, S 2009, 'Exploring the Sagittarius Stream With SEKBO Survey RR Lyrae Stars', The Astrophysical Journal, vol. 704, no. 2, pp. 1327-1340.
• Kayser, A, Grebel, E, Harbeck, D et al 2009, 'The Age-Metallicity Relation of the SMC', Joint ESO-FONDAP Workshop on Globular Clusters, Springer, Heidelberg, pp. 157-160.
• Glatt, K, Grebel, E, Sabbi, E et al 2008, 'Age Determination of Six Intermediate-Age Small Magellanic Cloud Star Clusters with Hst/acs', Astronomical Journal, vol. 136, no. 4, pp. 1703-1727.
• Menzies, J, Feast, M, Whitelock, P et al 2008, 'Asymptotic giant branch stars in the Phoenix dwarf galaxy', Monthly Notices of the Royal Astronomical Society, vol. 385, pp. 1045-1052.
• Saviane, I, Momany, Y, Da Costa, G et al 2008, 'A New Red Giant-based Distance Modulus of 13.3 Mpc to the Antennae Galaxies and Its Consequences', The Astrophysical Journal, vol. 678, pp. 179-186.
• Da Costa, G & Coleman, M 2008, 'A Spectroscopic Survey for ω Centauri Members at and beyond the Cluster Tidal Radius', Astronomical Journal, vol. 136, no. 1, pp. 506-517.
• Tosi, M, Gallagher, J, Sabbi, E et al 2008, 'SMC in space and time: a project to study the evolution of the prototype interacting late-type dwarf galaxy', International Astronomical Union Symposium 255, ed. Leslie K. Hunt, Suzanne Madden & Raffaella Schneider, Cambridge University Press, Cambridge, pp. 381-386.
• Da Costa, G, Jerjen, H, Bouchard, A et al 2008, 'ESO540-032: a Transition-Type Dwarf in the Sculptor Group', Galaxies in the Local Universe, ed. B S Koribalski, H Jerjen, Springer Science + Business Media, Berlin Germany, pp. 123-126.
• Keller, S, Murphy, S, Prior, S et al 2008, 'Revealing Substructure in the Galactic Halo: The SEKBO RR Lyrae Survey', The Astrophysical Journal, vol. 678, no. May, pp. 851-864.
• Stanford, L, Da Costa, G, Norris, J et al 2007, 'Abundances on the Main Sequence of ω Centauri', The Astrophysical Journal, vol. 667, no. 2, pp. 911-929.
• Da Costa, G 2007, 'The Stellar Populations of dE Galaxies in Nearby Groups', From Stars to Galaxies: Building the Pieces to Build Up the Universe, ed. Antonella Vallenari, Rosaria Tantalo, Laura Portinari, and Alessia Moretti, Conference Organising Committee, Venice Italy, pp. 247-252.
• Kayser, A, Grebel, E, Harbeck, D et al 2007, 'A spectroscopy-based Age-Metallicity Relation of the SMC', International Astronomical Union Symposium 241, ed. A. Vazdekis and R. F. Peletier, Cambridge University Press, Cambridge, pp. 351-352.
• Bouchard, A, Jerjen, H, Da Costa, G et al 2007, 'Interstellar Medium Disruption in the Centaurus A Group', Astronomical Journal, vol. 133, no. 1, pp. 261-269.
• Stanford, L, Da Costa, G, Norris, J et al 2006, 'A Sr-Rich Star on the Main Sequence of omega Centauri', The Astrophysical Journal, vol. 653, pp. L117-L120.
• Soderberg, A, Kulkarni, S, Price, P et al. 2006, 'An HST Study of the Supernovae Accompanying GRB 040924 and GRB 041006', The Astrophysical Journal, vol. 636, pp. 391-399.
• Rejkuba, M, Da Costa, G, Jerjen, H et al 2006, 'Dwarf elliptical galaxies in Centaurus A group: stellar populations in AM 1339-445 and AM 1343-452', Astronomy and Astrophysics, vol. 448, pp. 983-999.
• Olszewski, E, Mateo, M, Harris, J et al 2006, 'The Nature of the Density Clump in the Fornax Dwarf Spheroidal Galaxy', Astronomical Journal, vol. 131, pp. 912-921.
• Stanford, L, Da Costa, G, Norris, J et al 2006, 'The Age and Metallicity Relation of Omega Centauri', The Astrophysical Journal, vol. 647, pp. 1075-1092.
• Da Costa, G 2005, 'The stellar populations of dSph galaxies in nearby groups', in Helmut Jerjen, Bruno Binggeli (ed.), Near-field Cosmology with Dwarf Elliptical Galaxies, Cambridge University Press, Cambridge, UK, pp. 35-41.
• Bouchard, A, Da Costa, G, Jerjen, H et al 2005, 'Neutral hydrogen in early-type dwarf galaxies of the Sculptor Group', in Helmut Jerjen, Bruno Binggeli (ed.), Near-field Cosmology with Dwarf Elliptical Galaxies, Cambridge University Press, Cambridge, UK, pp. 255-256.
• Rekjkuba, M, Jerjen, H, Da Costa, G et al 2005, 'Near IR imaging of Centaurus group dwarf elliptical galaxies', in Helmut Jerjen, Bruno Binggeli (ed.), Near-field Cosmology with Dwarf Elliptical Galaxies, Cambridge University Press, Cambridge, UK, pp. 49-51.
• Coleman, M, Da Costa, G & Bland-Hawthorn, J 2005, 'The Absence of Extra-Tidal Structure in the Sculptor Dwarf Spheroidal Galaxy', Astronomical Journal, vol. 130, pp. 1065-1082.
• Pritzl, B, Armandroff, T, Jacoby, G et al 2005, 'The Dwarf Spheriodal Companions to M31: Variable Stars in Andromeda I and Andromeda III', Astronomical Journal, vol. 129, pp. 2232-2256.
• Bouchard, A, Jerjen, H, Da Costa, G et al 2005, 'Detection of Neutral Hydrogen in Early-Type Dwarf Galaxies of the Sculptor Group', Astronomical Journal, vol. 130, pp. 2058-2064.
• Coleman, M, Da Costa, G, Bland-Hawthorn, J et al 2005, 'A Wide-Field Survey of the Fornax Dwarf Spheroidal Galaxy', Astronomical Journal, vol. 129, pp. 1443-1464.
• Coleman, M & Da Costa, G 2005, 'A second shell in the Fornax dSph galaxy', Publications of the Astronomical Society of Australia, vol. 22, no. 2, pp. 162-165.
• Bekki, K, Couch, W, Beasley, M et al 2004, 'Explaining the Mysterious Age Gap of Globular Clusters in the Large Magellanic Cloud', The Astrophysical Journal, vol. 610, pp. L93-L96.
• Bouchard, A, Da Costa, G & Jerjen, H 2004, 'Clarification of the Nature of the Galaxy [CFC97] Cen 05', Publications of the Astronomical Society of the Pacific, vol. 116, pp. 1031-1034.
• Coleman, M, Da Costa, G, Bland-Hawthorn, J et al 2004, 'Shell Structure in the Fornax Dwarf Spheroidal Galaxy', Astronomical Journal, vol. 127, pp. 832-839.
• Da Costa, G 2004, 'The Stellar Populations of dE Galaxies in Nearby Groups', Publications of the Astronomical Society of Australia, vol. 21, pp. 366-370.
• Pritzl, B, Armandroff, T, Jacoby, G et al 2004, 'The Dwarf Spheroidal Companions to M31: Variable Stars in Andromeda II', Astronomical Journal, vol. 127, pp. 318-333.
• Pritzl, B, Armandroff, T, Jacoby, G et al 2002, 'The Dwarf Spheroidal Companions to M31: Variable Stars in Andromeda VI', Astronomical Journal, vol. 124, pp. 1464-1485.
• Davidge, T, Da Costa, G, Jorgensen, I et al 2002, 'The M31 Dwarf Spheroidal Companion Andromeda V: g, r, and i imaging with the Gemini Multi-object Spectrograph on Gemini North', Astronomical Journal, vol. 124, pp. 886-895.
• Cunha, K, Smith, V, Suntzeff, N et al 2002, 'The Evolution of Copper in the Globular Cluster Omega Centauri', Astronomical Journal, vol. 124, no. 1, pp. 379-388.
• Da Costa, G, Armandroff, T & Caldwell, N 2002, 'The Dwarf Spheroidal Companions to M31: WFPC2 Observations of Andromeda III', Astronomical Journal, vol. 124, pp. 332-348.
• Keller, S, Da Costa, G & Bessell, M 2001, 'Young Clusters in the Magellanic Clouds. II.', Astronomical Journal, vol. 121, pp. 905-915.
• Keller, S, Bessell, M & Da Costa, G 2000, 'Wide Field Planetary Camera 2 Imaging of Young Clusters in the Magellanic Clouds', Astronomical Journal, vol. 119, no. 4, pp. 1748-1759.
• Heasley, J, Janes, K, Zinn, R et al 2000, 'Hubble Space Telescope Photometry of the Metal-rich Globular Clusters NGHC 6624 and NGC 6637', Astronomical Journal, vol. 120, no. 2, pp. 879-893.
• Da Costa, G, Armandroff, T, Caldwell, N et al 2000, 'The Dwarf Spheroidal Companions to M31: WFPC2 Observations of Andromeda II', Astronomical Journal, vol. 119, no. 2, pp. 705-726.
• Da Costa, G 1999, 'Primordial Nuclei and Their Galactic Evolution', Space Science Reviews, vol. 88, pp. 611-612.
• Gibson, B, Madgwick, D, Jones, L et al 1999, 'The Spectroscopic Age of 47 Tucanae', Astronomical Journal, vol. 118, pp. 1268-1272.

Projects and Grants

Grants information is drawn from ARIES. To add or update Projects or Grants information please contact your College Research Office.

• Satellite galaxies as probe of structure formation in our cosmic backyard (Secondary Investigator)
• Project to enhance ASVO-SkyMapper under the National eResearch Collaboration Tools and resources (NeCTAR) Project (Primary Investigator)
• Exploiting SkyMapper for Galactic Astrophysics (Primary Investigator)
• A Sensitive Tip-Tilt Wave-Front Sensor for the Multi-Conjugate Adaptive-Optics System on the Gemini South Telescope (Primary Investigator)
• All-Sky Virtual Observatory: Theoretical Astrophysical Observatory (TAO) Node and SkyMapper Node (Secondary Investigator)
• SkyMapper and the Southern Sky Survey (Primary Investigator)
• Discovery and characterisation of Milky Way satellite galaxies (Secondary Investigator)
• Exploiting the Discovery of Ultra-faint Dwarf Galaxies in the Southern Hemisphere Sky (Primary Investigator)
• The Southern Sky Survey (Secondary Investigator)