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1998AJ....116.2237K - Astron. J., 116, 2237-2245 (1998/November-0)
The spin of M87 as measured from the rotation of its globular clusters.
KISSLER-PATIG M. and GEBHARDT K.
Abstract (from CDS):
We see weak evidence for a difference between the kinematics of the metal-poor and metal-rich population, in the sense that the metal-poor globular clusters appear to dominate the rotation. If, as we suspect, the last major merger event of M87 was mainly dissipationless and did not trigger the formation of a large number of globular clusters, the kinematic difference between the two could reflect their orbital properties in the progenitor galaxies; these differences would be compatible with these progenitors having formed in dissipational mergers. However, to put strong kinematic constraints on the origin of the globular clusters themselves is difficult, given the complex history of the galaxy and its last dominant merger event.
Abstract Copyright: ∼
Journal keyword(s): Galaxies: Elliptical and Lenticular, cD - Galaxies: Individual: Messier Number: M87 - Galaxies: Star Clusters
Simbad objects: 7
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