Sub-Clustering Among Local Group Galaxies

Details Sub-Clustering Among Local Group Galaxies Sub-Clustering Among Local Group Galaxies

1999-02-19

arxiv.org/abs/astro-ph/9902296v1

Astronomy and Astrophysics

Astrophysics

To be published in the May 1999 issue of the Astronomical Journal

Scientific paper

10.1086/300861

A new compilation of data on Local Group members shows that low-luminosity early-type galaxies are, at the 99% confidence level, more strongly concentrated in the M 31, and Galactic sub-clumps, than are dwarf irregular galaxies. It is not yet clear if star formation continued longer in dSph galaxies that are located far from M 31 and the Galaxy, than it did in those that are not associated with the Andromeda and Milky Way sub-clumps of the Local Group. Key words: galaxies: clustering - galaxies: Local Group

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