Optical

Blazar AO 0235+164 brightens in optical

Submitted by juli on Tue, 26/08/2014 - 13:08

Astronomer's Telegram #6414

V. M. Larionov (Astron. Inst. of St. Petersburg Univ.), G. A. Borman (Crimean Astrophysical Observatory), S. G. Jorstad (Boston Univ. and St. Petersburg Univ.)
on 24 Aug 2014; 09:38 UT

Tags: 
Blazar
Optical

Optical brightening of XRB SAX J2103.5+4545

Submitted by juli on Thu, 03/04/2014 - 17:17

Astronomer's Telegram #6019

T. S. Konstantinova, A. A. Mokrushina (St. Petesburg Univ., Russia)
on 28 Mar 2014; 13:07 UT

Tags: 
Optical
X-ray binary
neutron stars

Quasar PKS 1222+21 in outburst

Submitted by juli on Mon, 03/03/2014 - 14:29

Astronomer's Telegram #5921

V. M. Larionov, D. A. Morozova, E. N. Kopatskaya, D. A.Blinov (St. Petersburg University, Russia)
on 26 Feb 2014; 09:52 UT

Tags: 
quasar
outburst
AGN
Optical

High Optical Activity of Several Gamma-Ray Blazars

Submitted by dasha on Fri, 25/05/2012 - 00:09

Astronomer's Telegram #4122 ;

Svetlana Jorstad (Boston Univ., USA and St. Petersburg Univ. Russia),Valeri Larionov, and Evgenia Kopatskaya (St. Petersburg Univ., Russia)
on 23 May 2012; 08:45 UT

Tags: 
Optical
Gamma Ray
AGN