Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989cha%26a..13..268m&link_type=abstract
Chin. Astron. Astrophys., Vol. 13, No. 3, p. 268 - 271
Astronomy and Astrophysics
Astrophysics
Radiation Mechanisms: Quasars, Radiation Mechanisms: Seyfert Galaxies
Scientific paper
The authors discuss the 3000 Å bump in quasars and Seyfert galaxies on the basis of the Cerenkov line emission model. They believe that the continuum around 3000 Å is made up of a nonthermal power-law spectrum, a black body spectrum from the accretion disk, a different black body spectrum from broad line region cloudlets and Fe II lines. Numerical calculation of the Seyfert galaxy NGC 4151 shows a good agreement with observations; it can be taken as a strong support for the Cerenkov line emission theory.
Cheng Fu-Hua
Ming Yan
You Jun-Han
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