MASTER OT J005444.54-591917.3 - very bright 7 magnitude amplitude OT on a high galactic latitude
ATel #14978; K. Zhirkov, V. Lipunov, V. Kornilov, E. Gorbovskoy, N. Tyurina, P. Balanutsa, A. Kuznetsov, D. Vlasenko, Ya. Kechin, D. Zimnukhov, V. Vladimirov, V. Senik, A. Chasovnikov, V. Topolev, T. Pogrosheva, D. Cheryasov (Lomonosov Moscow State University, SAI, PhysicsDepartment), O. A. Gres, N. M. Budnev (Irkutsk State University, API), C. Francile, R. Podesta, F. Podesta (Observatorio Astronomico Felix Aguilar OAFA), R. Rebolo, M. Serra(The Instituto de Astrofisica de Canarias), D. Buckley (South African Astronomical Observatory), A. Tlatov, D. Dormidontov (Kislovodsk Solar Station of the Pulkovo Observatory), A. Gabovich, V. Yurkov (Blagoveschensk Educational StateUniversity)
on 17 Oct 2021; 12:13 UT
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)
Subjects: Optical, Cataclysmic Variable, Transient, Variables
MASTER-OAFA (Argentina) auto-detection system ( Lipunov et al., "MASTER Global Robotic Net", Advances in Astronomy, 2010, 30L )
discovered OT source AT2021abqn at (RA, Dec) = 00h 54m 44.54s -59d 19m 17.3s on 2021-10-16.19806 UT. Galactic latitude b=-57.8d
The OT magnitude in 'Clear' filter is 14.8m
(mlim = 18.4).
The OT is seen in 12 images over the course of 2 hours. There is no minor planet at this place.
We have reference image on 2016-12-25.10618 UT with 'Clear' filter limiting magnitude 19.7m.
Spectral observations are required.
Global MASTER Net