Dynamics of early-type galaxies. III. The rotation curve of the S0 galaxy NGC 4762
Journal Article
·
· Astrophys. J.; (United States)
The rotation curve of the flat S0 galaxy NGC 4762, derived from measurements of the absorption lines of Ca II H and K out to a distance of 1.1' (5 kpc) from the nucleus is presented. This curve shows a moderate central gradient and a steady increae up to a value of 165 km s/sup -1/, with no definite indication that the turnover velocity has been reached. In a simple model, it is estimated that the mass up to the last observed point is 3.5 x 10/sup 10/ Msub solar. The corresponding galaxies appear to possess similar amounts of angular momentum. 2 figures, 2 tables.
- Research Organization:
- Univ. of Padua, Italy
- OSTI ID:
- 6774566
- Journal Information:
- Astrophys. J.; (United States), Journal Name: Astrophys. J.; (United States) Vol. 219:2; ISSN ASJOA
- Country of Publication:
- United States
- Language:
- English
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