Wide-band photometry of galaxies with an ultraviolet continuum

Details Wide-band photometry of galaxies with an ultraviolet continuum Wide-band photometry of galaxies with an ultraviolet continuum

Dec 1979

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1979pazh....5..571d&link_type=abstract

(Pis'ma v Astronomicheskii Zhurnal, vol. 5, Nov. 1979, p. 571-575.) Soviet Astronomy Letters, vol. 5, Nov.-Dec. 1979, p. 305-307

Astronomy and Astrophysics

Astronomy

9

Continuous Spectra, Electrophotometry, Quasars, Seyfert Galaxies, Ubv Spectra, Ultraviolet Spectra, Astronomical Photometry, Markarian Galaxies, Stellar Spectrophotometry

Scientific paper

Wideband photoelectric UBVR photometry of one quasar and 42 galaxies showing an ultraviolet continuum, including 25 Seyfert galaxies, is reported. Observations were carried out with two-channel photon-counting spectrophotometer mounted at the Cassegrain focus of a 125-cm reflector, and galaxy color indices corrected absorption in the Galaxy were obtained. Comparison of the (U - B), (B - V) diagrams of Seyfert galaxies and non-Seyfert Markarian galaxies reveals differences in the positions of normal, type 1 Seyfert, type 2 Seyfert and non-Seyfert Markarian galaxies, which can be used to identify Seyfert galaxies.

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