Images and off-nuclear spectroscopy of QSOs

Details Images and off-nuclear spectroscopy of QSOs Images and off-nuclear spectroscopy of QSOs

Jan 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990aj.....99...37h&link_type=abstract

Astronomical Journal (ISSN 0004-6256), vol. 99, Jan. 1990, p. 37-44.

Astronomy and Astrophysics

Astronomy

32

Active Galactic Nuclei, Charge Coupled Devices, Early Stars, Image Processing, Quasars, Stellar Spectra, Emission Spectra, Ionized Gases, Line Spectra, Star Formation

Scientific paper

Long-slit spectroscopy is presented of the environs of six QSOs. Data were obtained at 5 A resolution in 1.5-2.0 arcsec seeing with a low-noise CCD detector on the Canada-France-Hawaii telescope. New direct images with 1 arcsec resolution are presented of four objects, one of which is tidally disturbed. The results indicate the presence of old and young stellar populations in QSO host galaxies. Extended line emission is seen in four objects, indicating nonsystematic relative motions of a few hundred km/s. Five of the objects have no radio emission, and these all have strong Fe II nuclear emission lines.

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