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Two bright OTs detected by MASTER

ATel #5174; Shumkov, V. Yecheistov, D. Denisenko, V. Lipunov, E. Gorbovskoy, N. Tiurina, P. Balanutsa, V. Kornilov, N. Shatskiy, V. Chazov, A. Kuznetsov, (Moscow State University, SAI), V. Yurkov, Y. Sergienko, D. Varda, E. Sinyakov, A. Gabovich (Blagoveshchensk Educational University), K. Ivanov, S. Yazev, N. Budnev, E. Konstantinov, O. Chuvalaev, V. Poleshchuk, O. Gress, A. Frolova (Irkutsk State University), V. Krushinsky, I. Zalozhnih, A. Popov, A. Bourdanov (Ural Federal University), A. Parkhomenko, A. Tlatov, D. Dormidontov, V. Senik (Kislovodsk solar station of the Pulkovo observatory RAS), P. Podvorotny, V. S. Shurpakov (MASTER team members), H. Levato, C. Saffe (ICATE), C. Mallamaci, C. Lopez and F. Podest (OAFA)
on 28 Jun 2013; 13:35 UT
Credential Certification: Vladimir Lipunov (lipunov2007@gmail.com)

Subjects: Optical, Cataclysmic Variable

Referred to by ATel #: 5182

MASTER OT J070950.24+643802.9 - new CV?

MASTER-Amur auto-detection system discovered OT source at (RA, Dec) = 07h 09m 50.24s +64d 38m 02.9s on 2013-06-24.60384 UT. The OT unfiltered magnitude is 15.3m (limit 17.1m). The OT is seen in 2 images. There is no minor planet at this place. We have reference image without OT on 2012-08-20.74648 UT with unfiltered magnitude limit 19.3m.
Follow up observations are required.
The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/070950.24643802.9.png

MASTER OT J182122.59+614854.8 – new very bright CV?

MASTER-Amur auto-detection system discovered OT source at (RA, Dec) = 18h 21m 22.59s +61d 48m 54.8s on 2013-06-26.63372 UT. The OT unfiltered magnitude is 14.3m (limit 18.3m). The OT is seen in 4 images. There is no minor planet at this place. We have reference image without OT on 2012-09-24.51126 UT with unfiltered magnitude limit 19.2m. There is Galex source at this place.

Spectral observations are required.

The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/182122.59614854.8_1.png

List of Optical Transients discovered by MASTER

Global MASTER Net