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MASTER Four OT's detection

ATel #4003; P. Dyadina, P. Podvorotniy, P. Balanutsa, V. Lipunov, V. Shumkov, E. Gorbovskoy, N. Tiurina, V. Kornilov, A. Belinski, N. Shatskiy, V. Chazov, A. Kuznetsov, D. Zimnukhov (Moscow State University, SAI) V. Krushinsky, I. Zalozhnih, A. Popov (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), S. Shurpakov (MASTER team members), Hugo Levato and Carlos Saffe Instituto de Ciencias Astronomicas, de la Tierra y del Espacio (ICATE) Claudio Mallamaci, Carlos Lopez and Federico Podest, Observatorio Astronomico Felix Aguilar (OAFA)
on 27 Mar 2012; 14:53 UT
Credential Certification: Vladimir Lipunov (lipunov2007@gmail.com)

Subjects: Optical, Cataclysmic Variable, Supernovae

OT MASTER J063425.03+434513.4 - ?

MASTER-Tunka auto-detection system discovered OT source at (RA, Dec) = 06h 34m 25.03s +43d 45m 13.4s on 2012-03-25.65278 UT. The OT unfiltered magnitude is 18.4m (limit 19.6m).

The OT is seen at 2 images. There is no minor planet at this place. There is no star in any catalog here.

We have reference image without OT on 2011-12-04.80870 UT with unfiltered magnitude limit 20.0m.

Spectral observations are required.

The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/063425.03434513.4.png

OT MASTER134758.03+290203.4 - PSN

MASTER-Tunka auto-detection system discovered OT source at (RA, Dec) = 13h 47m 58.03s +29d 02m 03.4s on 2012-03-25.80944 UT. The OT unfiltered magnitude is 18.8m (limit 19.9m).

The OT is seen at 2 images. There is no minor planet at this place. There are one SDSS galxy – J134757.97+290206.0 with 2.8 arcsec offset and J134758.10+290203.2 star (rmag=21.4) with 1 arcs offset.

We have reference image without OT on 2011-04-08.70336 UT with unfiltered magnitude limit 20.0m.

Spectral observations are required. The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/134758.03290203.4_1.png

OT MASTER J131247.51+315318.0 - PSN in SDSS galaxy J131247.48+315317.4

MASTER-Tunka auto-detection system discovered OT source at (RA, Dec) = 13h 12m 47.51s +31d 53m 18.0s on 2012-03-26.71786 UT. The OT unfiltered magnitude is 18.5m (limit 20.0m). The OT is seen in 3 images. There is no minor planet at this place. There is SDSS galaxy J131247.48+315317.4 with 0.6 arcsec offset.

We have reference image without OT on 2011-02-01.77125 UT with unfiltered magnitude limit 20.0m.

Spectral observations are required.

The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/131247.51315318.0_1.png

OT MASTER J181246.49+115911.2 - ?

MASTER-Tunka auto-detection system discovered OT source at (RA, Dec) = 18h 12m 46.49s +11d 59m 11.2s on 2012-03-26.89561 UT. The OT unfiltered magnitude is 17.1m (limit 18.5m). The OT is seen at 3 images. There is no minor planet at this place. We have reference image without OT on 2010-09-02.65530 UT with unfiltered magnitude limit 18.9m.

Spectral observations are required. The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/181246.49115911.2.png

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