Evidence of Rapid Optical Variability In Selected Narrow-Line Seyfert 1 Galaxies

Details Evidence of Rapid Optical Variability In Selected Narrow-Line Seyfert 1 Galaxies Evidence of Rapid Optical Variability In Selected Narrow-Line Seyfert 1 Galaxies

2000-05-08

arxiv.org/abs/astro-ph/0005155v1

New Astron.Rev. 44 (2000) 539-541

Astronomy and Astrophysics

Astrophysics

Contributed talk presented at the Joint MPE,AIP,ESO workshop on NLS1s, Bad Honnef, Dec. 1999, to appear in New Astronomy Revie

Scientific paper

10.1016/S1387-6473(00)00094-4

We present the first results of a search for the presence of rapid optical variability in a sample of five Narrow-Line Seyfert 1 galaxies. We find clear evidence of rapid variability for IRAS 13224-3809 with variations occurring on time scales of an hour. However, the results are less conclusive for the other four sources in our sample, Markarian 766, PG 1244+026, PG 1404+226 and Arakelian 564. While there are several instances among these latter objects where there is a hint that variability may be present, IRAS 13224-3809 provides the only conclusive evidence of rapid optical variability detected to date.

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