[ Previous | Next | ADS ]

MASTER: high amplitude optical flare in Pleiades direction

ATel #8571; V. Lipunov, N. Tiurina, E. Gorbovskoy, P. Balanutsa (Lomonosov MSU), R. Rebolo, M. Serra Ricart, G. Israelian, N. Lodieu (The Instituto de Astrofisica of Canarias), V. Kornilov, O. Gress, A. Kuznetsov, S. Shurpakov, E. Popova, V. Vladimirov, I. Gorbunov, D. Vlasenko, V. Shumkov (Lomonosov Moscow State University, Sternberg Astronomical Institute)
on 21 Jan 2016; 23:59 UT
Credential Certification: Nataly Tyurina (tiurina@sai.msu.ru)

Subjects: Optical, Request for Observations, Cataclysmic Variable, Transient, Variables

MASTER OT J034502.66+203841.8 detection

MASTER-IAC auto-detection system ( Lipunov et al., "MASTER Global Robotic Net", Advances in Astronomy, 2010, 349171 ) discovered OT source at (RA, Dec) = 03h 45m 02.66s +20d 38m 41.8s on 2016-01-21.90590 UT.
The OT unfiltered magnitude is 16.8m (the limit is 18.8m). There are 3 images with unfiltered m_OT=16.7. There is no minor planet at this place.
MASTER-IAC preliminary photometry of its previous observations is the following:
2015-10-13 04:01:22.158 19.6
2015-10-15 04:30:08.153 19.7
2015-11-17 03:07:37.835 19.5
2015-12-14 01:48:19.914 19.6

This star is in Pleiades direction.

This source is in 4248.2E 4878.2S from the diffuse nebula IC341.

Spectral observations are required.

The discovery and reference images are available at http://master.sai.msu.ru/static/OT/034502.66203841.8.png .

List of Optical Transients discovered by MASTER

MASTER Global Robotic Net