Аннотация:MASTER OT J083140.20-040704.4 discovery - PSN in 13.4W,0.2"N of PGC1062642
MASTER-SAAO auto-detection system ( Lipunov et al., "MASTER Global Robotic Net", Advances in Astronomy, 2010, 30L )
discovered OT source at (RA, Dec) = 08h 31m 40.20s -04d 07m 04.4s on 2018-04-2018-04-09 18:48:50.644UT.
The OT unfiltered magnitudes is 17.3
The OT is seen on 8 images in MASTER-SAAO in W and V.
There are reference images without OT on 2018-03-21 19:50:38UT with unfiltered mlim=19.6. There is PGC1062642 in 13.4"W,0.2"N (Vgsr=11981km/s, Btc=15.26).
Spectral observations are required.
The discovery and reference images are available at:
http://master.sai.msu.ru/static/OT/MASTEROTJ083140.20-040704.4.jpg