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MASTER: possible SN in PGC178633

ATel #7252; V. Shumkov, V. Lipunov, E. Gorbovskoy (Lomonosov MSU), D. Buckley (SAAO), N. Tiurina, V. Kornilov, P. Balanutsa, A. Kuznetsov, V. Chazov, V. Vladimirov, E. Popova (Lomonosov Moscow State University, SAI), S. Potter, A. Kniazev, M. Kotze (The South African Astronomical Observatory), N. Budnev, O. Gress, K. Ivanov, S. Yazev, V. Poleshchuk, E. Konstantinov, O. Chuvalaev (Irkutsk State University), A. Tlatov, D. Dormidontov, V. Senik, A. Parkhomenko, (Kislovodsk solar station of the Pulkovo observatory RAS), V. Yurkov, Y. Sergienko, A. Gabovich (Blagoveshchensk Educational University), V. Krushinsky, I. Zalozhnih, A. Popov, A. Bourdanov (Ural Federal University), S. Shurpakov (MASTER-team)
on 19 Mar 2015; 08:31 UT
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)

Subjects: Optical, Supernova Remnant, Supernovae

MASTER OT J053934.36-275536.9 discovery - SuperNova in PGC178633

MASTER-SAAO auto-detection system( Lipunov et al., Advances in Astronomy, MASTER Global Robotic Net, 2010 ) discovered OT source at (RA, Dec) = 05h 39m 34.36s -27d 55m 36.9s on 2015-03-18.80986 UT with unfiltered m_OT=18.7m (the limit is 20.2m).

There are 10 images with OT in MASTER_SAAO database. We have reference image without OT on 2015-01-10.97016 UT with unfiltered magnitude limit 19.6m.

This SN is in 13.9"E 10.7"N of the PGC178633 galaxy.

The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/053934.36-275536.9.png

Spectral observations are required.

List of Optical Transients discovered by MASTER

MASTER Global Robotic Net