NASA/IPAC EXTRAGALACTIC DATABASE
Date and Time of the Query: 2018-11-14 T00:41:56 PST
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For refcode 1994A&A...289...83D:
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Copyright by European Southern Observatory (ESO). Reproduced by permission
1994A&A...289...83D Recycled galaxies in the colliding system Arp 105 P.A. Duc and I.F. Mirabel Service d'Astrophysique, Centre d'Etudes de Saclay, F-9l 191 Gif-sur- Yvette Cedex, France Received 6 December 1993 / Accepted 21 April 1994 Abstract. Arp 105 consists of an infrared luminous starburst spiral being torn apart by a massive elliptical close to the center of a cluster of galaxies. The elliptical has already accreted gas-rich objects and may be the precursor of a giant cD galaxy. At the tip of colossal tidal tails that emanate from the spiral we find a blue compact dwarf galaxy and an irregular galaxy of Magellanic type. We propose that these small galaxies are recycled objects being formed out of the tidal debris from the spiral. In Arp 105 we observe that the collision has caused a marked spatial separation of the cold interstellar gas: more than 90% of the CO emission comes from the central region of the spiral, whereas more than 90% of the observed atomic hydrogen is situated beyond 30 kpc from the center of the spiral. Key words: galaxies: individual: Arp 105 - galaxies: interactions - galaxies: formation - galaxies: irregular
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