Galaxy Disruption in a Halo of Dark Matter

Duncan A. Forbes, Michael A. Beasley, Kenji Bekki, Jean P. Brodie, Jay Strader

Research output: Contribution to journalArticle

32 Citations (Scopus)

Abstract

The relics of disrupted satellite galaxies have been found around the Milky Way and Andromeda, but direct evidence of a satellite galaxy in the early stages of disruption has remained elusive. We have discovered a dwarf satellite galaxy in the process of being torn apart by gravitational tidal forces as it merges with a larger galaxy's dark matter halo. Our results illustrate the morphological transformation of dwarf galaxies by tidal interaction and the continued buildup of galaxy halos.
Original languageEnglish
Pages (from-to)1217-1219
Number of pages3
JournalScience
Volume301
Publication statusPublished - 2003

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