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MASTER PSN in Sloan galaxy

ATel #9228; T. Pogrosheva, P. Balanutsa, V. Lipunov (Lomonosov MSU), N. Tiurina , D. Buckley(SAAO), E. Gorbovskoy, A. Kuznetsov, V. Vladimirov, V. Kornilov, I. Gorbunov, O. Gress, D. Kuvshinov, V. Shumkov (Lomonosov Moscow State Univeristy, SAI), S. Potter, A. Kniazev (SAAO)
on 8 Jul 2016; 22:49 UT
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)

Subjects: Optical, Request for Observations, Supernovae, Transient

MASTER OT J121151.82-023527.9 discovery - PSN in SDSS J121151.68-023529.8 galaxy

MASTER-SAAO auto-detection system ( Lipunov et al., "MASTER Global Robotic Net", Advances in Astronomy, 2010, 349171 ) discovered OT source at (RA, Dec) = 12h 11m 51.82s -02d 35m 27.9s on 2016-07-07.77319 UT.

The OT unfiltered magnitude is 17.1m (limit 19.2m).

The OT is seen in 3 images. There is no minor planet at this place.

We have reference image without OT on 2015-06-13.81650 UT with unfiltered magnitude limit 20.0m.

This PSN is in 2.83" from the center of Sloan galaxy with r_mag=19.3

Spectral observations are required.

The discovery and reference images are available at:

http://master.sai.msu.ru/static/OT/121151.82-023527.9.png