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MASTER FOUR OT's detection

ATel #3938; P. Balanutsa, V. Shumkov, V. Lipunov, 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 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), S. Shurpakov (MASTER team members)
on 22 Feb 2012; 16:24 UT
Credential Certification: Vladimir Lipunov (lipunov2007@gmail.com)

Subjects: Optical, Cataclysmic Variable, Supernovae, Transient

Referred to by ATel #: 3941

MASTER095634.40+180751.2- ?

MASTER-Kislovodsk auto-detection system discovered OT source at (RA, Dec) = 09h 56m 34.40s +18d 07m 51.2s on 2012-02-20.89145 UT. The OT unfiltered magnitude is 18.8m (limit 19.7m).

The OT is seen in 3 images. There are no minor planet and any star at this place.

We have reference image without OT on 2011-12-29 23:23:16 UT with unfiltered magnitude limit 19.4m. The images are available at http://observ.pereplet.ru/images/095634.40+180751.2/095634.40+180751.jpg Spectral observations are required.

MASTER084545.27-051130.0 - high state of the known CV

MASTER-Kislovodsk auto-detection system discovered OT source at (RA, Dec) = 08h 45m 45.27s -05d 11m 30.0s on 2012-02-20.80934 UT. The OT unfiltered magnitude is 16.9m (limit 19.6m).

The OT is seen in 5 images. There is no minor planet at this place. There is known CV CSS 090201:084545-051130 from AAVSO catalog.

We have reference image without OT on 2010-12-09.03164 UT with unfiltered magnitude limit 19.5m.

Follow up observations are required. The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/084545.27-051130.0.png

MASTER033006.27+181233.1- new variable

MASTER-Kislovodsk auto-detection system discovered OT source at (RA, Dec) = 03h 30m 06.27s +18d 12m 33.1s on 2012-02-21.71737 UT. The OT unfiltered magnitude is 16.1m (limit 19.1m).

The OT is seen in 4 images. There is no minor planet at this place.

There is the star J033006.28+181232.9 from The SDSS Photometric Catalog (rmag=20.4)

We have reference image without OT on 2011-01-11.74029 UT with unfiltered magnitude limit 20.5m.

The discovery and reference images are available at: http://master.sai.msu.ru/static/OT/033006.27181233.1.png

Follow up observations are required.

MASTER075929.72+194610.7 - PSN

MASTER-Tunka auto-detection system discovered OT source at (RA, Dec) = 07h 59m 29.72s +19d 46m 10.7s on 2012-02-18.65766 UT. The OT unfiltered magnitude is 18.5m (limit 19.5m).

The OT is seen in 2 images. There is no minor planet at this place. There are SDSS galaxy J075929.69+194609.9 (rmag=21.8, offset = 0”.8) and star J075929.67+194609.8 (rmag=22.2, offset = 1”) . We have reference image without OT on 2011-12-01.77743 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/075929.72194610.7_1.png

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