Early-type galaxies in mixed pairs - Kinematics

Details Early-type galaxies in mixed pairs - Kinematics Early-type galaxies in mixed pairs - Kinematics

Oct 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988a%26a...204...81r&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 204, no. 1-2, Oct. 1988, p. 81-87.

Astronomy and Astrophysics

Astrophysics

15

Elliptical Galaxies, Stellar Motions, Disk Galaxies, Velocity Distribution

Scientific paper

The stellar kinematics of five early-type components of E/disk pairs is discussed. NGC 1549 (E0) shows significant rotation along the minor axis. This phenomenon may be connected with the presence of a very large isophotal twisting. The presence of a flat velocity dispersion curve in two of the five objects supports the hypothesis that this phenomenon is more common than believed and may be interpreted as a variation of the anisotropy in the galaxy. In the present sample only NGC 2305/2307 appears to be a genuine isolated mixed physical pair, the other objects possibly being misclassified disk galaxies.

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