Optical observations of the outburst of blazar AO 0235+16

Details Optical observations of the outburst of blazar AO 0235+16 Optical observations of the outburst of blazar AO 0235+16

Sep 2008

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008atel.1735....1b&link_type=abstract

The Astronomer's Telegram, #1735

Astronomy and Astrophysics

Astronomy

3

Optical, Agn

Scientific paper

Observations at the Colgate University Foggy Bottom Observatory confirm the spectacular nature of the current optical outburst in the blazar AO 0235+16 reported by Villata et al (ATEL #1724). The blazar has reached a brightness level, R ~ 14.1, comparable to outbursts in 1990-91, 1992, 1998, and 2007. Preliminary reductions of CCD images indicate the blazar was at R ~ 16.2 on September 4.2 (UT), R ~ 15.4 on September 20.2 - observations hindered by the close proximity of the Moon, R ~ 15.0 on September 21.2, R ~ 14.2 on September 23.2, and R ~ 14.1 on September 24.2.

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