5 MASTER OT's discovery

ATel #3847; V. Lipunov, P. Balanutsa, N. Tiurina, E. Gorbovskoy, V. Kornilov, A. Belinski, N. Shatskiy, V. Chazov, A. Kuznetsov, D. Zimnukhov, D. Gareeva (Moscow State University, SAI) V. Krushinsky, I. Zalozhnih, A. Popov (Ural State 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, S. Shurpakov (MASTER team members)
on 6 Jan 2012; 19:16 UT
Credential Certification: Vladimir Lipunov (lipunov2007@gmail.com)

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MASTER OT105357.03+232234.5 - PSN in SDSS J105357.07+232234.9 galaxy MASTER-Amur auto-detection system discovered OT source at (RA, Dec) = 10h 53m 57.03s +23d 22m 34.5s on 2011-12-30.79219 UT. The OT magnitude in 'V' filter is 16.5m (limit 17.9m) The OT is seen in 2 images. There is no minor planet at this place.

There is SDSS faint (R=20mag) galaxy J105357.07+232234.9 0".8 offset. We have reference image without OT on 2011-11-22.89400 UT with magnitude limit in 'V' filter 18.1 m

MASTER OT004822.33+741757.5 - Flare of the USNO-A2.0 004822.326+741757.48

MASTER-Amur auto-detection system discovered flare at (RA, Dec) = 00h 48m 22.33s +74d 17m 57.5s on 2012-01-04.56 UT. The OT magnitude in 'V' filter is 14.1 m (limit 17.5 m). The OT is seen in 2 images.

There is 2MASS 00482232+7417574 red star. We found similar flare in our Data Base in 2010. There is USNO-A2.0 004822.326+741757.48 R=13.7 star.

We have a number reference images in low state (R~19).The last reference image without OT on 2011-09-03.58985 UT with magnitude limit in 'V' filter 18.4m.

MASTER OT021912.06+465550.2 - PSN?

MASTER-Amur auto-detection system discovered OT source at (RA, Dec) = 02h 19m 12.06s +46d 55m 50.2s on 2011-12-31.50912 UT. The OT magnitude in 'R' filter is 15.5m (limit 17.63m).

The OT is seen on 2 images. There is no minor planet at this place.

We have reference image without OT on 2011-12-06 20:00:06 UT with unfiltered magnitude limit 19.4m.

MASTER OT103717.83+505934.2 - PSN in SDSS galaxy J103717.62+505934.9

MASTER-Tunka auto-detection system discovered OT source at (RA, Dec) = 10h 37m 17.83s +50d 59m 34.2s on 2012-01-03.87764 UT. The OT unfiltered magnitude is 19.2m (limit 19.9m). There is SDSS galaxy J103717.62+505934.9 R =19.55 at this place. We have reference image without OT on 2011-03-26.69 UT with unfiltered magnitude limit 21.0m

MASTER OT050806.84+712352.0 - ?

MASTER-Amur auto-detection system discovered OT source at (RA, Dec) = 05h 08m 06.84s +71d 23m 52.0s on 2012-01-05.53984 UT.

The OT magnitude in 'R' filter is 15.3m (limit 18.0m).

The OT is seen in 2 images. There is no minor planet at this place. There is non star object in the Guide Star Catalog.

We have reference image without OT on 2011-10-28.74 UT with magnitude limit in 'V' filter 18.9m.

Spectral observations are required.

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