Balmer decrements in Seyfert 2 galaxies

Details Balmer decrements in Seyfert 2 galaxies Balmer decrements in Seyfert 2 galaxies

Jul 1990

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1990pasp..102..723b&link_type=abstract

Astronomical Society of the Pacific, Publications (ISSN 0004-6280), vol. 102, July 1990, p. 723-725.

Astronomy and Astrophysics

Astronomy

13

Active Galaxies, Balmer Series, Extinction, Seyfert Galaxies, Stellar Spectrophotometry, Astronomical Spectroscopy, Line Spectra, Ultraviolet Radiation

Scientific paper

The Seyfert 2 observations of De Zotti and Gaskell (1985) and Bonato et al. (1989) are analyzed in order to study the H-alpha/H-beta ratios. The H-gamma/H-beta and H-alpha/H-beta data are compared graphically. The effects of the amount and distribution of dust in Seyfert 2 galaxies on Balmer decrements are examined. It is concluded that the intrinsic values for H-alpha/H-beta = 3.3 - 3.4 and H-gamma/H-beta = 0.45, resulting from emitting condensations in which dust is mixed with the ionized gas.

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