Search Results - "Mackey, A D"

The outer envelopes of globular clusters. II. NGC 1851, NGC 5824 and NGC 1261 by Kuzma, P. B., Da Costa, G. S., Mackey, A. D.

“…Abstract We present a second set of results from a wide-field photometric survey of the environs of Milky Way globular clusters. The clusters studied are NGC…”
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The lowest detected stellar Fe abundance: the halo star SMSS J160540.18−144323.1 by Nordlander, T, Bessell, M S, Da Costa, G S, Mackey, A D, Asplund, M, Casey, A R, Chiti, A, Ezzeddine, R, Frebel, A, Lind, K, Marino, A F, Murphy, S J, Norris, J E, Schmidt, B P, Yong, D

“…ABSTRACT We report the discovery of SMSS J160540.18−144323.1, a new ultra metal-poor halo star discovered with the SkyMapper telescope. We measure $\left[\rm…”
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The SkyMapper DR1.1 search for extremely metal-poor stars by Da Costa, G S, Bessell, M S, Mackey, A D, Nordlander, T, Asplund, M, Casey, A R, Frebel, A, Lind, K, Marino, A F, Murphy, S J, Norris, J E, Schmidt, B P, Yong, D

“…ABSTRACT We present and discuss the results of a search for extremely metal-poor stars based on photometry from data release DR1.1 of the SkyMapper imaging…”
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A double main-sequence turn-off in the rich star cluster NGC 1846 in the Large Magellanic Cloud by Mackey, A. D., Broby Nielsen, P.

“…We report on Hubble Space Telescope/ACS photometry of the rich intermediate-age star cluster NGC 1846 in the Large Magellanic Cloud, which clearly reveals the…”
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The properties of Galactic globular cluster subsystems by Mackey, A. D., Van Den Bergh, Sidney

“…In this paper we compare the properties of three subsystems of Galactic globular clusters, which are defined according to metallicity and horizontal branch…”
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Surface brightness profiles and structural parameters for 53 rich stellar clusters in the Large Magellanic Cloud by Mackey⋆, A. D., Gilmore, G. F.

“…We have compiled a pseudo-snapshot data set of two-colour observations from the Hubble Space Telescope archive for a sample of 53 rich LMC clusters with ages…”
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Black holes and core expansion in massive star clusters by Mackey, A. D., Wilkinson, M. I., Davies, M. B., Gilmore, G. F.

“…In this study we present the results from realistic N-body modelling of massive star clusters in the Magellanic Clouds. We have computed eight simulations with…”
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High-resolution spectroscopic follow-up of the most metal-poor candidates from SkyMapper DR1.1 by Yong, D, Da Costa, G S, Bessell, M S, Chiti, A, Frebel, A, Gao, X, Lind, K, Mackey, A D, Marino, A F, Murphy, S J, Nordlander, T, Asplund, M, Casey, A R, Kobayashi, C, Norris, J E, Schmidt, B P

“…ABSTRACT We present chemical abundances for 21 elements (from Li to Eu) in 150 metal-poor Galactic stars spanning −4.1 < [Fe/H] < −2.1. The targets were…”
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Structural analysis of the Sextans dwarf spheroidal galaxy by Roderick, T. A., Jerjen, H., Da Costa, G. S., Mackey, A. D.

“…We present wide-field g- and i-band stellar photometry of the Sextans dwarf spheroidal galaxy and its surrounding area out to four times its half-light radius…”
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Multiple Stellar Populations in Three Rich Large Magellanic Cloud Star Clusters by Mackey, A. D, Broby Nielsen, P, Ferguson, A. M. N, Richardson, J. C

“…We present deep color-magnitude diagrams for three rich intermediate-age star clusters in the LMC, constructed from archival ACS F435W and F814W imaging. All…”
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Comparing the properties of local globular cluster systems: implications for the formation of the Galactic halo by Mackey, A. D., Gilmore, G. F.

“…We investigate the hypothesis that some fraction of the globular clusters presently observed in the Galactic halo formed in external dwarf galaxies. This is…”
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On the origin of double main-sequence turn-offs in star clusters of the Magellanic Clouds by Bekki, Kenji, Mackey, A. D.

“…Recent observational studies of intermediate-age star clusters (SCs) in the Large Magellanic Cloud (LMC) have reported that a significant number of these…”
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The outer halo globular cluster system of M31 – II. Kinematics by Veljanoski, J., Mackey, A. D., Ferguson, A. M. N., Huxor, A. P., Côté, P., Irwin, M. J., Tanvir, N. R., Peñarrubia, J., Bernard, E. J., Fardal, M., Martin, N. F., McConnachie, A., Lewis, G. F., Chapman, S. C., Ibata, R. A., Babul, A.

“…We present a detailed kinematic analysis of the outer halo globular cluster system of the Andromeda galaxy (M31). Our basis for this is a set of new…”
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A VLT/FLAMES STUDY OF THE PECULIAR INTERMEDIATE-AGE LARGE MAGELLANIC CLOUD STAR CLUSTER NGC 1846. I. KINEMATICS by Mackey, A D, da Costa, G S, Ferguson, A M N, Yong, D

“…In this paper we present high-resolution VLT/FLAMES observations of red giant stars in the massive intermediate- age Large Magellanic Cloud star cluster NGC…”
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Major substructure in the M31 outer halo: distances and metallicities along the giant stellar stream by Conn, A. R., McMonigal, B., Bate, N. F., Lewis, G. F., Ibata, R. A., Martin, N. F., McConnachie, A. W., Ferguson, A. M. N., Irwin, M. J., Elahi, P. J., Venn, K. A., Mackey, A. D.

“…We present a renewed look at M31's giant stellar stream along with the nearby structures streams C and D, exploiting a new algorithm capable of fitting to the…”
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Surface brightness profiles and structural parameters for 10 rich stellar clusters in the Small Magellanic Cloud by Mackey⋆, A. D., Gilmore, G. F.

“…As a follow-up to our recent study of a large sample of Large Magellanic Cloud (LMC) clusters, we have conducted a similar study of the structures of 10 Small…”
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Globular clusters and the formation of the outer Galactic halo by Van Den Bergh, Sidney, Mackey, A. D.

“…ABSTRACT Globular clusters in the outer halo (Rgc > 15 kpc) are found to be systematically fainter than those at smaller Galactocentric distances. Within the…”
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VLT-MAD observations of the core of 30 Doradus by Campbell, M. A., Evans, C. J., Mackey, A. D., Gieles, M., Alves, J., Ascenso, J., Bastian, N., Longmore, A. J.

“…We present H- and Ks-band imaging of three fields at the centre of 30 Doradus (30 Dor) in the Large Magellanic Cloud, obtained as part of the Science…”
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Surface brightness profiles and structural parameters for globular clusters in the Fornax and Sagittarius dwarf spheroidal galaxies by Mackey, A. D., Gilmore, G. F.

“…We present radial surface brightness profiles for all five globular clusters in the Fornax dwarf spheroidal galaxy, and for the four present members of the…”
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Newly discovered globular clusters in NGC 147 and NGC 185 from PAndAS by Veljanoski, J., Ferguson, A. M. N., Huxor, A. P., Mackey, A. D., Fishlock, C. K., Irwin, M. J., Tanvir, N., Chapman, S. C., Ibata, R. A., Lewis, G. F., McConnachie, A.

“…Using data from the Pan-Andromeda Archaeological Survey (PAndAS), we have discovered four new globular clusters (GCs) associated with the M31 dwarf elliptical…”
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