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Bright MASTER OT160558.15 +275921.6 discovery

ATel #3570; A. V. Parhomenko, A. Tlatov, D. Dormidontov (Kislovodsk solar station of the Pulkovo observatory RAS),, P. Balanutsa, E. Gorbovskoy, D. Gareeva, V. Lipunov, V. Kornilov, A. Belinski, N. Shatskiy, N. Tyurina, D. Kuvshinov, V. Chazov, A. Kuznetsov, D. Zimnukhov, (SAI, Moscow), , V. Yurkov, I. Kudelina ,Yu. Sergienko, D. Varda, E. Sinyakov (Blagoveshchensk Educational University), V. Krushinski, I. Zalozhnih, A. Popov (Ural State University), K. Ivanov, S. Yazev, N. Budnev, E. Konstantinov, O. Chuvalaev, V. Poleschuk, O. Gres,(Irkutsk State University) , V. Shumkov, S. Shurpakov (MASTER team member)
on 19 Aug 2011; 05:54 UT
Credential Certification: Vladimir Lipunov (lipunov2007@gmail.com)

Subjects: Optical, Transient

Referred to by ATel #: 3572

The MASTER auto-detection system at Kislovodsk detected a new transient source at the position (R.A., Dec) 23h 20m 22.36s , +44d 43m 30s.8 , (J2000) with a typical uncertainty of 0.5" at 2011-08-17 23:10:15.502 (UT). The OT also was seen at images after ~45 min (2011-08-17 23:10:15 UT). The unfiltered magnitude is about 15.9 +- 0.1 ( exptime 180s, mlim = 18.0 ). There is no minor planet or any object brighter 21 mag in DSS at this place. We have a number images this field without OT with limit up to 19.0m.

The discovery and references images available here http://master.sai.msu.ru/static/OT/OT232022+444330.png

Spectral observations are needed.

MASTER Robotic Net