A spectroscopic survey of some Zwicky compact galaxies

Details A spectroscopic survey of some Zwicky compact galaxies A spectroscopic survey of some Zwicky compact galaxies

Nov 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978apj...225..768r&link_type=abstract

Astrophysical Journal, Part 1, vol. 225, Nov. 1, 1978, p. 768-775.

Astronomy and Astrophysics

Astrophysics

13

Astronomical Spectroscopy, Compact Galaxies, Galaxies, Spectrophotometry, Brightness, Elliptical Galaxies, Galactic Structure, H Ii Regions, Lenticular Bodies, Radial Velocity, Seyfert Galaxies, Spectrograms, Tables (Data)

Scientific paper

Spectroscopic observations of 58 compact galaxies identified by Zwicky in two southern fields are described. Half of these show red continua and are either circular, lenticular, or elliptical in shape. They are apparently giant elliptical and S0 galaxies. The remaining blue and very blue galaxies, almost without exception, show emission features. Two of the objects are previously unreported Seyfert galaxies, and a further two appear to be very similar to the isolated extragalactic H II regions described by Searle and Sargent. A comparison of data for all the compact galaxies described here with Holmberg's photometry and dimensions of bright field galaxies suggests that the compacts do not have unusually high average surface brightnesses.

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