The underlying galaxies of quasars. II - Imaging of a radio-loud sample

Details The underlying galaxies of quasars. II - Imaging of a radio-loud sample The underlying galaxies of quasars. II - Imaging of a radio-loud sample

Dec 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...287..555m&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 287, Dec. 15, 1984, p. 555-565. Research supported by the Fannie and John H

Astronomy and Astrophysics

Astronomy

92

Galactic Nuclei, Galactic Structure, Quasars, Radio Sources (Astronomy), Red Shift, Seyfert Galaxies, Elliptical Galaxies, Luminosity, X Ray Sources

Scientific paper

New deep v, g, and r SIT frames of 23 low-redshift quasars, mostly selected by their strong radio emission, are presented. Seventeen quasars with redshifts up to 0.4 are resolved, and the extended nebulosity is analyzed as was done previously for a group of X-ray-selected quasars. Assuming that the extended emission is starlight, it is found that, when the underlying galaxy is associated with a radio-quiet quasar, it has the color, size, surface brightness, and scale length of a normal spiral galaxy. In contrast, the host galaxies of radio loud quasars are larger and appear to be bright elliptical galaxies.

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