Astronomy and Astrophysics – Astrophysics
Scientific paper
Sep 1989
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1989cha%26a..13..268y&link_type=abstract
Chinese Astronomy and Astrophysics, Volume 13, Issue 3, p. 268-271.
Astronomy and Astrophysics
Astrophysics
Scientific paper
We discuss the 3000A bump in quasars and Seyfert galaxies on the basis of the Cerenkov line emission model. We believe that the continuum around 3000 A 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 FeII 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
Yan Ming
You Jun-Han
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