Mathematics – Logic
Scientific paper
Aug 1988
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988apj...331..727d&link_type=abstract
Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 331, Aug. 15, 1988, p. 727-745. NSERC-supported research.
Mathematics
Logic
56
Active Galactic Nuclei, Continuous Spectra, Gravitational Effects, Interstellar Extinction, Seyfert Galaxies, Starburst Galaxies, Far Infrared Radiation, Line Spectra, Luminosity, Radio Emission, Statistical Correlation, X Rays
Scientific paper
The authors search for possible correlations between luminosity, extinction, and morphological-related properties of 246 Seyfert and starburst galaxies. In particular, they investigate the relation between [O III] λ5007 profile asymmetry and dust-related signatures, and between line and continuum luminosities and tidal perturbations on the host galaxies. Line asymmetry is well-correlated with Hα/Hβ flux ratios in Seyfert 2's, and with 60 μm/[O III] λ5007 flux ratios in both Seyfert types, which suggest that the media responsible for emission-line attenuation, for profile asymmetry, and for far-infrared emission are intimately related. There is also a positive correlation between soft X-ray luminosities and optical reddening for Seyfert 2's and a negative correlation for Seyfert 1's. No similar correlations were found in the starburst sample.
Dahari Oved
de Robertis Michael M.
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