Two Zwicky compact galaxies with broad emission lines

Details Two Zwicky compact galaxies with broad emission lines Two Zwicky compact galaxies with broad emission lines

Jun 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978pasp...90..244o&link_type=abstract

Astronomical Society of the Pacific, Publications, vol. 90, June-July 1978, p. 244-254.

Other

13

Astronomical Photometry, Astronomical Spectroscopy, Compact Galaxies, Emission Spectra, Line Spectra, Seyfert Galaxies, Absorption Spectra, Abundance, Graphs (Charts), Tables (Data)

Scientific paper

Spectrometry is reported for two Zwicky compact galaxies, I Zw 92 and III Zw 77, which have broad emission lines. They are of types Sy 2 and Sy 1, respectively. III Zw 77 has several notable features, including the prominence of forbidden Fe VII, a preference for forbidden Fe II over Fe II, the presence of Bowen fluorescence lines of O III and (probably) N III, and an atypical Balmer line profile. Its Fe/Ne abundance ratio appears to be approximately solar, in contrast to those of several other Seyferts. Line emission has serious effects on the broad-band color of I Zw 92 and probably other Sy 2's as well. A mass is derived for I Zw 92.

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