The Variability Mechanism of Seyfert Galaxy NGC 4151

Details The Variability Mechanism of Seyfert Galaxy NGC 4151 The Variability Mechanism of Seyfert Galaxy NGC 4151

Apr 2002

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002pasj...54..175f&link_type=abstract

Publications of the Astronomical Society of Japan, Vol.54, No.2, pp.175-178

Astronomy and Astrophysics

Astronomy

2

Accretion, Accretion Disks, Galaxies: Individual (Ngc 4151), Galaxies: Seyfert, Instabilities

Scientific paper

Based on compilation by Fan and Su (1998, AAA70.158.417), the variability property is discussed for the Seyfert galaxy NGC4151 using the structure function, V(τ)½ ~ τk. The derived k is 0.35 +/- 0.03, suggesting that the disk-instability favors the star-burst model as an explanation for the mechanism of the variability in this source.

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