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MASTER-SAAO: SN in bright ESO240-010 during Fermi trigger inspection

ATel #7919; E. Popova, V. Lipunov (Lomonosov MSU), D. Buckley (SAAO), E. Gorbovskoy, V. Kornilov, A. Kuznetsov, P. Balanutsa, N. Tiurina, V. Chazov, I. Gorbunov (M. V. Lomonosov Moscow State University, Sterberg Astronomical Institute), S. Potter, M. Kotze (SAAO), R. Rebolo, M. Serra-Ricart, N. Lodieu, G. Israelian (The Instituto de Astrofisica de Canarias), N. Budnev, O. Gress, K. Ivanov (Applied Physics Institute of Irkutsk State University), A. Tlatov, V. Senik, D. Dormidontov (Kislovodsk Solar Station of of the Pulkovo observatory RAS), V. Krushinsky, I. Zalozhnykh (Ural Federal University), Yu. Sergienko, V. Yurkov, A. Gabovich (Blagoveschensk State Educational University)
on 17 Aug 2015; 17:57 UT
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)

Subjects: Optical, Request for Observations, Supernovae, Transient

Referred to by ATel #: 7920

MASTER-SAAO robotic telescope started the inspection survey on the FERMI GRB150816.83 alert (ra=23 42 52 dec=-36 08 58, error-box r=6.3deg) 24s after notice time GCN #18151.

MASTER auto-detection system ( Lipunov et al., Advances in Astronomy, MASTER Global Robotic Net, 2010 ) discovered OT source at (RA, Dec) = 23h 37m 43.22s -47d 30m 39.3s on 2015-08-17.18201 UT.

The OT unfiltered magnitude is 16.3m (the limit is 18.7m). This PSN is in 12.1W 16.3S from the ESO240-010 galaxy

There are 2 images with OT. There is no minor planet at this place.

We have reference image without OT on 2015-08-07.98051 UT with unfiltered magnitude limit 20.5m.

Spectral observations are required.

The discovery and reference images are available at http://master.sai.msu.ru/static/OT/233743.22-473039.3.png

MASTER Global Robotic Net