MASTER: previous years detection of PNV J00425897+4118085
ATel #14703; N. Tiurina, V. Lipunov, V. Kornilov, E. Gorbovskoy, P. Balanutsa, I. Gorbunov, O. Gress, A. Kuznetsov, V. Vladimirov, D. Vlasenko, D. Zimnukhov, V. Senik, V. Shumkov, A. Chasovnikov, E. Minkina, V. Topolev, D. Kuvshinov, K. Zhirkov, T. Pogrosheva (Lomonosov Moscow State University), D. Buckley (SAAO), R. Podesta, F. Podesta, C. Lopez, C. Francile (Observatorio Astronomico Felix Aguilar OAFA), R. Rebolo, M. Serra (The Instituto de Astrofisica de Canarias), N. Budnev (Irkutsk State University, API), A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory), A. Gabovich, V. Yurkov (Blagoveschensk Educational State University)
on 12 Jun 2021; 08:06 UT
Distributed as an Instant Email Notice Transients
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)
Subjects: Optical, Request for Observations, Cataclysmic Variable, Transient, Variables
MASTER Global Robotic Net (Lipunov et al. 2010 ) observed M31 several years
(ATel #6911, Atel #12307, ATel #12399, ATel #11755, ATel #11165, ATel #10726, ATel #10515, ATel #10506, ATel #10268, ATel #9912, ATel #9271, ATel #8950, ATel #7834, ATel #7121, Atel #5355, Atel #4680).
The OT, discovered by Hornoch et al. ATel #14702, is detected at MASTER images during these years of M31 observation
http://observ.pereplet.ru/images/MASTEROTJ004258.95+411807.2.jpg
for ex., at 2018-08-27 19:00:04UT with m_OT=15.9 (unfiltered)
The nearest non-detection is at 2021-06-08 00:25:31 with mlim=19.5m(unfiltered).
MASTER Global Robotic Net