- Abstract:
-
We report the discovery of a giant HI tail in the intragroup medium of HCG 44 as part of the ATLAS3D survey. The tail is ~300 kpc long in projection and contains ~5 × 108 M ⊙of HI. We detect no diffuse stellar light at the location of the tail down to ~28.5 mag arcsec-2 in g band. We speculate that the tail might have formed as gas was stripped from the outer regions of NGC 3187 (a member of HCG 44) by the group tidal field. In this case, a simple model indicates that about 1/3 of the galaxy'...
Expand abstract - Publication status:
- Published
- Publisher copy:
- 10.1093/mnras/sts033
-
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- Journal:
- MONTHLY NOTICES OF THE ROYAL ASTRONOMICAL SOCIETY
- Volume:
- 428
- Issue:
- 1
- Pages:
- 370-380
- Publication date:
- 2013-01-05
- DOI:
- EISSN:
-
1365-2966
- ISSN:
-
0035-8711
- URN:
-
uuid:561ea494-784c-46c2-af25-fa4d4ee97140
- Source identifiers:
-
379422
- Local pid:
- pubs:379422
- Language:
- English
- Keywords:
- Copyright date:
- 2013
Journal article
Discovery of a giant HI tail in the galaxy group HCG 44
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