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MASTER Four OT's detection

ATel #3981; 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 20 Mar 2012; 12:22 UT
Credential Certification: Vladimir Lipunov (lipunov2007@gmail.com)

Subjects: Optical, Cataclysmic Variable, Supernovae

MASTER163105.47+615548.4 - PSN

MASTER-Tunka auto-detection system discovered OT source at (RA, Dec) = 16h 31m 05.47s +61d 55m 48.4s on 2012-03-14.83877 UT. The OT unfiltered magnitude is 18.1m (limit 19.8m).

The OT is seen in 5 images. There is no minor planet at this place. There is one nonstar object in The Guide Star Catalog N4HU009709 with 1.3 arcsec offset (jmag=21.9).

We have reference image without OT on 2011-05-01.72794 UT with unfiltered magnitude limit 20.1m.

Spectral observations are required.

The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/163105.47615548.4_1.png

MASTER070737.08+104933.7 - bright PSN

MASTER-Amur auto-detection system discovered OT source at (RA, Dec) = 07h 07m 37.08s +10d 49m 33.7s on 2012-03-16.47836 UT. The OT magnitude in 'R' filter is 16.0m (limit 17.2m).

The OT is seen in 2 images. There is no minor planet at this place. There is one nonstar object in The USNO-A2.0 Catalogue 0975-04647733 with 1.5 arcsec offset (Rmag=19.0). It seems that same object classified as nonstar object in the GSC 2.2 Catalogue.

We have reference image without OT on 2011-03-01.64120 UT with magnitude limit in 'V' filter 18.2m.

Spectral observations are required.

The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/070737.08104933.7.png

OT MASTER080909.92+032014.5 - PSN

MASTER-Kislovodsk auto-detection system discovered OT source at (RA, Dec) = 08h 09m 09.92s +03d 20m 14.5s on 2012-03-19.79285 UT. The OT unfiltered magnitude is 17.4m (limit 20.3m).

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

We have reference image without OT on 2010-11-04.01719 UT with unfiltered magnitude limit 19.7m.

Spectral observations are required.

The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/080909.92032014.5.png

OT MASTER120514.62+315653.1 - PSN in SDSS galaxy J120514.59+315651.8

MASTER-Kislovodsk auto-detection system discovered OT source at (RA, Dec) = 12h 05m 14.62s +31d 56m 53.1s on 2012-03-19.91554 UT. The OT unfiltered magnitude is 19.2m (limit 20.3m).

The OT is seen in 2 images. There is no minor planet at this place. There is SDSS galaxy J120514.59+315651.8 with 1.3 arcsec offset.

We have reference image without OT on 2011-01-30.02470 UT with unfiltered magnitude limit 21.6m.

Spectral observations are required.

The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/120514.62315653.1.png

Global MASTER Robotic Net