Bright OT Detected by MASTER during GW error fields inspection
ATel #12949; E. Gorbovskoy, V. Lipunov (Lomonosov MSU), R. Podesta, C. Lopez, C. Francile, F. Podesta (OOAFA, SJNU), H. Levato (ICATE, SJNU), D. Buckley (SAAO), R. Rebolo, M. Serra (IAC), N. Tiurina, A. Kuznetsov, O. Gress, I. Gorbunov, P. Balanutsa, V. Kornilov, V. Vladimirov, D. Zimnukhov, F. Balakin, V. Senik, V. Grinshpun, D. Kuvshinov (Lomonosov MSU), V. Yurkov, A. Gabovich, Yu. Sergienko, (BSPU), O. Gress, N. M. Budnev, O. Ershova (API ISU), V. Shumkov, T. Pogrosheva,
on 19 Jul 2019; 14:39 UT
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)
Subjects: Cataclysmic Variable, Gravitational Waves, Nova, Transient
MASTER OT J203053.79+384020.1 discovery
MASTER-IAC auto-detection system discovered OT source at (RA, Dec) = 20h 30m 53.79s +38d 40m 20.1s on 2019-07-18.92684 UT.
The OT unfiltered magnitude is 14.9m (limit 19.4m).
This flash is registered in the error box GW S190718y.
The OT is seen in 2 images. There is no minor planet at this place.
We have reference image without OT on 2019-07-09.14716 UT with unfiltered magnitude limit 19.7m.
The discovery and reference images are available at:
http://master.sai.msu.ru/static/OT/203053.79384020.1.png
