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Possible Supernova discovered by MASTER

ATel #5867; D. Denisenko, V. Lipunov, E. Gorbovskoy, P. Balanutsa, N. Tiurina, V. Kornilov, N. Shatskiy, V. Chazov, A. Kuznetsov, A. Rufanov, V. Vladimirov, V. Yecheistov (Moscow State University, SAI), K. Ivanov, S. Yazev, N. Budnev, E. Konstantinov, O. Chuvalaev, V. Poleshchuk, O. Gress (Irkutsk State University), A. Parkhomenko, A. Tlatov, D. Dormidontov, V. Senik (Kislovodsk Solar Station of Pulkovo Observatory), V. Yurkov, Y. Sergienko, D. Varda, E. Sinyakov, A. Gabovich (Blagoveshchensk Educational University), V. Krushinsky, I. Zalozhnih, A. Popov, A. Bourdanov (Ural Federal University), P. Podvorotny, V. Shumkov, S. Shurpakov (MASTER team members), H. Levato, C. Saffe (ICATE), C. Mallamaci, C. Lopez, F. Podest (OAFA)
on 9 Feb 2014; 20:00 UT
Credential Certification: Vladimir Lipunov (lipunov2007@gmail.com)

Subjects: Optical, Supernovae, Transient

MASTER OT J112751.19+411209.8 - possible Supernova

MASTER-Tunka auto-detection system discovered OT source at (RA, Dec) = 11h 27m 51.19s +41d 12m 09.8s on 2014-02-08.76638 UT. The OT unfiltered magnitude is 17.1m (limit 18.7m). The OT is seen in 7 images. There is no minor planet at this place. We have reference image without OT on 2012-03-24.65204 UT with unfiltered magnitude limit 20.1m. Comparison of MASTER-Tunka images obtained in Mar. 2012 (2x180-sec exposures) and Feb. 2014 (5x60-sec exposures) is uploaded to http://master.sai.msu.ru/static/OT/J112751+411209-Tunka-anim.gif

The OT is located 0" west and 5" north of the center of galaxy SDSS J112751.22+411205.2 (g=21.51 r=20.55 i=20.33). Spectral confirmation is required. Discovery and reference images are available at: http://master.sai.msu.ru/static/OT/112751.19411209.8.png

List of Optical Transients discovered by MASTER

Global MASTER Robotic Net