Observations of optical Fe II emission in the spectra of radio-quiet quasi-stellar objects

Details Observations of optical Fe II emission in the spectra of radio-quiet quasi-stellar objects Observations of optical Fe II emission in the spectra of radio-quiet quasi-stellar objects

Dec 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...251....4p&link_type=abstract

Astrophysical Journal, Part 1, vol. 251, Dec. 1, 1981, p. 4-7.

Astronomy and Astrophysics

Astronomy

23

Emission Spectra, Iron, Quasars, Radio Sources (Astronomy), Seyfert Galaxies, Astronomical Spectroscopy, Image Dissector Tubes, Metal Ions, Spectral Line Width

Scientific paper

Emission from the optical multiplets of Fe II is found in the optical spectra of four radio-quiet QSOs examined with an image-dissector scanner. This finding contrasts with the Phillios (1977, 1978) study, which indicated that Fe II emission is not a general feature of QSOs which are strong radio sources. The similarity between Seyfert 1 galaxies and radio-quiet QSOs with respect to their optical spectra suggests that the latter may be more distant examples of the former, rather than distinct phenomena. The differences between radio-quiet and radio-source objects may, moreover, be more fundamental than the differences between QSOs and broad-line emission galaxies.

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