MASTER OT J220020.25-464517.2 discovery
ATel #14485; P. Balanutsa, V. Lipunov(Lomonosov MSU), R. Rebolo, M. Serra-Ricart (IAC), E. Gorbovskoy, V. Kornilov, N. Tiurina, A. Kuznetsov, V. Chazov, V. Vladimirov, I. Gorbunov, O. Gress, V. Shumkov, T. Pogrosheva, D. Kuvshinov (Lomonosov MSU, SAI)
on 26 Mar 2021; 15:46 UT
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)
Subjects: Request for Observations, Cataclysmic Variable, Nova, Supernovae, Transient, Variables
MASTER OT J220020.25-464517.2 discovery possible CV
MASTER-SAAO auto-detection system ( Lipunov et al., "MASTER Global Robotic Net", Advances in Astronomy, 2010, 30L )discovered OT source at (RA, Dec) = 22h 00m 20.25s -46d 45m 17.2s on 2021-03-23.11940 UT.
The OT unfiltered magnitude is 18.1m (mlim=19.8).
Burst value greater than 3m.
The OT is seen in 3 images. There is no minor planet at this place.
We have reference image on 2020-07-17.02910 UT with unfiltered mlim=20.9m.
The discovery and reference images are available at:
http://master.sai.msu.ru/static/OT/220020.25-464517.2.png
