Alignment statistics of clusters with their brightest members at bright and faint isophotes
Journal Article
·
· Astrophys. J.; (United States)
For a sample of 21 first-ranked cluster galaxies with published isophotal photometry and position angles of these isophotes, it is found that the major axes of both the bright and faint isophotal contours tend to be aligned within about 30 deg of the major axis of the parent cluster. This supports the hypothesis that first-ranked galaxies are formed already aligned with their parent clusters rather than the hypothesis that only outer envelopes which accreted after formation are aligned with the cluster. 21 references.
- Research Organization:
- General Electric Co., Philadelphia, PA
- OSTI ID:
- 6085823
- Journal Information:
- Astrophys. J.; (United States), Journal Name: Astrophys. J.; (United States) Vol. 317; ISSN ASJOA
- Country of Publication:
- United States
- Language:
- English
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