Optical Observations of the Gamma-ray Blazar PKS 1622-297

Details Optical Observations of the Gamma-ray Blazar PKS 1622-297 Optical Observations of the Gamma-ray Blazar PKS 1622-297

Dec 2001

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2001aas...199.9803k&link_type=abstract

American Astronomical Society, 199th AAS Meeting, #98.03; Bulletin of the American Astronomical Society, Vol. 33, p.1453

Astronomy and Astrophysics

Astronomy

Scientific paper

We have observed PKS 1622-297 with the SARA 0.9 meter telescope in the V, R, and I bands in order to determine a maximum magnitude. This blazar was observed to brighten in the V band in late 1995 during an EGRET observation. Subsequent observations in 1996 and 1997 and during three nights in 2001 have revealed that the source is much fainter. In addition, archived observations at gamma-ray wavelengths are considered. The observational relevance to the theoretical dual jet model is discussed (Punsly 1997). We determine the accretion rate of the black hole using the minimum observed magnitude, modeling the accretion disk via a numerical simulation (Webb 1999). This work was supported by the National Science Foundation Research Experiences for Undergraduates Program grant AST-0097616.

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