Spectrophotometric study of the Seyfert galaxy Markarian 348

Details Spectrophotometric study of the Seyfert galaxy Markarian 348 Spectrophotometric study of the Seyfert galaxy Markarian 348

Nov 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978afz....14..603e&link_type=abstract

Astrofizika, vol. 14, Nov. 1978, p. 603-611. In Russian.

Astronomy and Astrophysics

Astronomy

3

Astronomical Spectroscopy, Galactic Nuclei, Seyfert Galaxies, Spectrophotometry, Emission Spectra, Gas Spectroscopy, H Beta Line, Nitrogen, Oxygen Spectra

Scientific paper

The nucleus of the Seyfert 2 galaxy Markarian 348 is studied spectrophotometrically on the basis of 24 image-converter spectra. Several relative line-intensity ratios are determined, and physical properties of the radiating gas are computed. H-beta and forbidden O III 4959-A and 5007-A line profiles are constructed; components are found which are situated nearly symmetrical with respect to the line centers at distances corresponding to Doppler velocities of up to + or - 2000 km/s. It is suggested that the nuclear activity of Markarian 348 is similar to that observed in the nucleus of Markarian 6.

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