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Four OTs discovered by MASTER

ATel #4387; P. Podvorotny, S. Shurpakov, P. Balanutsa, N. Tiurina, D. Denisenko, E. Gorbovskoy, V. Lipunov, V. Kornilov, A. Belinski, N. Shatskiy, V. Chazov, A. Kuznetsov, D. Zimnukhov (Moscow State University, SAI), V. Krushinsky, I. Zalozhnih, A. Popov, A. Bourdanov, A. Punanova (Ural Federal University), K. Ivanov, S. Yazev, N. Budnev, E. Konstantinov, O. Chuvalaev, V. Poleshchuk, O. Gress (Irkutsk State University), A. Parkhomenko, A. Tlatov, D. Dormidontov, V. Senik (Kislovodsk solar station of the Pulkovo observatory RAS), V. Yurkov, Y. Sergienko, D. Varda, E. Sinyakov (Blagoveshchensk Educational University), V. Shumkov, (MASTER team members), H. Levato, C. Saffe (ICATE), C. Mallamaci, C. Lopez and F. Podest (Observatorio Astronomico Felix Aguilar; OAFA)
on 18 Sep 2012; 14:01 UT
Credential Certification: Vladimir Lipunov (lipunov2007@gmail.com)

Subjects: Optical, Cataclysmic Variable, Transient

OT MASTER J231043.82+265220.2 - PSN in SDSS J231044.01+265228.7

MASTER-Amur auto-detection system discovered OT source at (RA, Dec) = 23h 10m 43.82s +26d 52m 20.2s on 2012-09-17.48176 UT. The OT unfiltered magnitude is 16.4m (limit 18.3m). The OT is seen in 2 images. There is no minor planet at this place. The OT have 9 arcsec offset from galaxy SDSS J231044.01+265228.7 We have reference image without OT on 2011-08-25.71939 UT with magnitude limit in 'R' filter 18.9m.

Spectral observations are required.

The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/231043.82265220.2_1.png

OT MASTER J013223.46+474752.8 - ?

MASTER-Kislovodsk auto-detection system discovered OT source at (RA, Dec) = 01h 32m 23.46s +47d 47m 52.8s on 2012-09-16.95323 UT. The OT unfiltered magnitude is 18.6m (limit 20.0m). The OT is seen in 3 images. There is no minor planet at this place. We have reference image without OT on 2011-10-30.95304 UT with unfiltered magnitude limit 20.2m.

Spectral observations are required.

The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/013223.46474752.8.png

OT MASTER J013058.75+482135.0 - PSN or CV?

MASTER-Kislovodsk auto-detection system discovered OT source at (RA, Dec) = 01h 30m 58.75s +48d 21m 35.0s on 2012-09-16.93247 UT. The OT unfiltered magnitude is 17.7m (limit 20.1m). The OT is seen in 3 images. There is no minor planet at this place. We have reference image without OT on 2011-10-30.95304 UT with unfiltered magnitude limit 20.2m.

There is one SDSS star J013058.46+482136.0 with 3 arcsec offset. There is one galaxy SDSS J013059.05+482134.7 with 3 arcsec offset. Spectral observations are required.

The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/013058.75482135.0.png

OT MASTER J021352.35-071208.9 - PSN

MASTER-Kislovodsk auto-detection system discovered OT source at (RA, Dec) = 02h 13m 52.35s -07d 12m 08.9s on 2012-09-18.01832 UT. The OT unfiltered magnitude is 18.9m (limit 19.4m). The OT is seen in 2 image. There is no minor planet at this place. We have reference image without OT on 2011-12-16.72034 UT with unfiltered magnitude limit 20.8m.

There is galaxy SDSS8 J021352.29-071211.5 (rmag=21.2) with 2.7 arcsec offset.

Spectral observations are required.

The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/021352.35-071208.9.png

Global MASTER Robotic Net