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Optical brightening of the Quasar PKS2209+236 detected by MASTER

ATel #5130; V. Yecheistov, D. Denisenko, E. Gorbovskoy, V. Lipunov, P. Balanutsa, V. Kornilov, N. Tiurina, N. Shatskiy, V. Chazov, A. Kuznetsov (Moscow State University, SAI), K. Ivanov, S. Yazev, N. Budnev, E. Konstantinov, O. Chuvalaev, V. Poleshchuk, O. Gress, A. Frolova (Irkutsk State University), V. Krushinsky, I. Zalozhnih, A. Popov, A. Bourdanov (Ural Federal University), A. Parkhomenko, A. Tlatov, D. Dormidontov, V. Senik (Kislovodsk solar station of the Pulkovo observatory RAS), V. Yurkov, Y. Sergienko, D. Varda, E. Sinyakov, A. Gabovich (Blagoveshchensk Educational University), P. Podvorotny, V. Shumkov, S. Shurpakov (MASTER team members), H. Levato, C. Saffe (ICATE), C. Mallamaci, C. Lopez and F. Podest (OAFA)
on 14 Jun 2013; 12:51 UT
Credential Certification: Vladimir Lipunov (lipunov2007@gmail.com)

Subjects: Optical, Blazar, Quasar

Referred to by ATel #: 5149

MASTER OT J221205.95+235541.0 discovery

MASTER-Kislovodsk auto-detection system discovered OT source at (RA, Dec) = 22h 12m 05.95s +23d 55m 41.0s (error = 0.5 arcsec) on 2013-06-13.87596 UT. The OT unfiltered magnitude is 17.3m (limit 19.0m). The OT is seen in 5 images. There is no minor planet at this place.

We have reference unfiltered image without OT on 2011-07-06.99191 UT with magnitude limit 21.0m.

There is Quasar PKS2209+236 inside our error box which variability detected before ( L. Carrasco, A. Luna, G. Escobedo, D. Y. Mayya, A. Carraminana, V. et al. ATel #4559).

Follow up observations are required.

The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/221205.95235541.0_1.png

List of Optical Transients discovered by MASTER

Global MASTER Net