Internal dynamics of the dwarf elliptical NGC 185

Details Internal dynamics of the dwarf elliptical NGC 185 Internal dynamics of the dwarf elliptical NGC 185

Mar 1992

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1992aj....103..851h&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 103, March 1992, p. 851-856.

Astronomy and Astrophysics

Astronomy

51

Dwarf Galaxies, Elliptical Galaxies, Galactic Evolution, Globular Clusters, Velocity Distribution, Astronomical Photometry, Charge Coupled Devices, Hubble Constant, Star Formation

Scientific paper

Kinematic observations along the major and minor axis of the E2 dwarf elliptical galaxy NGC 185 are presented. The velocity dispersion is constant at 28 +/- 8 km/s between 3 and 40 arcsec, but may increase to about twice that value in the center. An upper limit of 10 km/s is found for the rotation along either axis, so that the velocity distribution is anisotropic. The derived solar mass/LB is about 3 in solar units. Analysis of the kinematic and photometric data now available shows that giant ellipticals and dwarfs fall on a continuous sequence in the (L, sigma) plane.

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