Spectrophotometry and image analysis of the nebulosity around the low-redshift quasar 0241 + 622

Details Spectrophotometry and image analysis of the nebulosity around the low-redshift quasar 0241 + 622 Spectrophotometry and image analysis of the nebulosity around the low-redshift quasar 0241 + 622

Feb 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...277..487r&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 277, Feb. 15, 1984, p. 487-494. Research supported by the Alfred P. Sloan F

Astronomy and Astrophysics

Astrophysics

8

Astronomical Spectroscopy, Image Analysis, Nebulae, Quasars, Stellar Spectrophotometry, Disk Galaxies, Galactic Structure, Red Shift

Scientific paper

The authors present digital imagery and spectrophotometry of the low-redshift QSO 0241+622. Video camera B, V, R, and I images taken with the KPNO 4 m telescope clearly show that 0241+622 is embedded in elliptical nebulosity. The pictures are analyzed by comparing them to model images of a galaxy and central point source which were digitally convolved with a seeing point spread function. The 0241+622 pictures are well matched by the sum of a luminous disk galaxy and a central point source which is approximately twice as luminous as the galaxy. Spectroscopic observations of the nebulosity surrounding the quasar were obtained with the Lick 3 m and Kitt Peak 4 m telescopes. The spectra suggest that the nebulosity contains stars. It is concluded that 0241+622 is similar to several recently discovered low redshift quasars, and probably is a QSO-like nucleus in a spiral galaxy.

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