M
Mike Irwin
Researcher at University of Cambridge
Publications - 768
Citations - 89530
Mike Irwin is an academic researcher from University of Cambridge. The author has contributed to research in topics: Galaxy & Milky Way. The author has an hindex of 136, co-authored 755 publications receiving 83262 citations. Previous affiliations of Mike Irwin include University of New South Wales & Lawrence Berkeley National Laboratory.
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Journal ArticleDOI
The Comparative Chemical Evolution of an Isolated Dwarf Galaxy : A VLT and Keck Spectroscopic Survey of WLM
Ryan Leaman,Ryan Leaman,Ryan Leaman,Kim A. Venn,Alyson Brooks,Alyson Brooks,Giuseppina Battaglia,Andrew A. Cole,Rodrigo A. Ibata,Mike Irwin,Alan W. McConnachie,J. Trevor Mendel,Else Starkenburg,Else Starkenburg,Eline Tolstoy +14 more
TL;DR: In this article, a comparison of the metallicities of red giant branch stars with respect to the well-studied Local Group dwarf spheroidal galaxies (dSphs) and Magellanic clouds is presented.
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Density and Kinematic Cusps in M54 at the Heart of the Sagittarius Dwarf Galaxy: Evidence for A 104 M ☉ Black Hole?
Rodrigo A. Ibata,Michele Bellazzini,Scott Chapman,Emanuele Dalessandro,F. R. Ferraro,Mike Irwin,Barbara Lanzoni,Geraint F. Lewis,Alasdair Mackey,Paolo Miocchi,A. Varghese +10 more
TL;DR: In this article, the authors reported the detection of a stellar density cusp and a velocity dispersion increase in the center of the globular cluster M54, located at the centre of the Sagittarius dwarf galaxy (Sgr).
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The Discovery of Tidal Tails Around NGC 5466
TL;DR: In this article, the authors reported the discovery of tidal tails around the high-latitude Galactic globular cluster NGC 5466 in Sloan Digital Sky Survey (SDSS) data.
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Leo V: Spectroscopy of a Distant and Disturbed Satellite
Matthew G. Walker,Vasily Belokurov,N. Wyn Evans,Mike Irwin,Mario Mateo,Edward W. Olszewski,Gerard Gilmore +6 more
TL;DR: In this article, a spectroscopic study of the satellite of the Milky Way (MW) is presented, where the authors identify seven likely members of the star cluster and obtain a mean metallicity of [Fe/H]=-2.0\pm 0.2 dex.
Journal ArticleDOI
Leo v: spectroscopy of a distant and disturbed satellite*
Matthew G. Walker,Vasily Belokurov,Nick Evans,Mike Irwin,Mario Mateo,Edward W. Olszewski,Gerry Gilmore +6 more
TL;DR: In this paper, the authors presented a spectroscopic study of a recently discovered satellite of the Milky Way (MW) from stellar spectra obtained with the MMT/Hectochelle spectrograph.