[vsnet-outburst 15568] MASTER CVs

[Taichi Kato]

   MASTER OT J212313.61-021447.9 = ROTSE3 J212313-021446.6

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ATEL #5185							     ATEL #5185

Title:	Four OTs detected by MASTER
Author:	P. Balanutsa,  Shumkov,  D. Denisenko, V. Lipunov, E. Gorbovskoy,
		N. Tiurina,  V. Kornilov, N. Shatskiy, V. Chazov, A. Kuznetsov, V.
		Yecheistov, (Moscow State University, SAI), V. Yurkov, Y. Sergienko,
		D. Varda, E. Sinyakov, A. Gabovich (Blagoveshchensk Educational University),
		K. Ivanov, S. Yazev, N. Budnev, E. Konstantinov, O. Chuvalaev, V.
		Poleshchuk, O. Gress, A. Frolova (Irkutsk State University), V. Krushinsky,
		I. Zalozhnih, A. Popov, A. Bourdanov (Ural Federal University), A.
		Parkhomenko, A. Tlatov, D. Dormidontov, V. Senik (Kislovodsk solar
		station of the Pulkovo observatory RAS), P. Podvorotny, V. S. Shurpakov
		(MASTER team members), H. Levato, C. Saffe (ICATE), C. Mallamaci,
		C. Lopez and F. Podest (OAFA)
Queries:	lipunov2007 at gmail.com
Posted:	2 Jul 2013; 16:25 UT
Subjects:Optical, Cataclysmic Variable, Supernovae, Variables

MASTER OT J154156.81+105552.0 - PSN in SDSSJ154156.79+105551.4 galaxy 

MASTER-Kislovodsk auto-detection system discovered OT source at (RA, Dec)
= 15h 41m 56.81s +10d 55m 52.0s on 2013-06-28.80536 UT. 
The OT unfiltered magnitude is 18.0m (limit 19.3m). 

The OT is seen in 3 images. There is no minor planet at this place. 

We have reference image without OT on 2013-06-25.78968 UT with unfiltered
magnitude limit 18.6m. 
There is SDSSJ154156.79+105551.4 galaxy at this place . 

Spectral observations are required. 

The discovery and reference images are available at: 
http://master.sai.msu.ru/static/OT/154156.81105552.0_2.png 

MASTER OT J000055.37+540128.5 - VS

MASTER-Amur auto-detection system discovered OT source at (RA, Dec) = 00h
00m 55.37s +54d 01m 28.5s on 2013-06-28.71292 UT. 
The OT unfiltered magnitude is 16.5m (limit 17.8m). 

The OT is seen in 7 images.  

We have reference image without OT on 2012-07-27.71486 UT with unfiltered
magnitude limit 18.9m. 

Follow up observations are required.  

The discovery and reference images are available at: 
http://master.sai.msu.ru/static/OT/000055.37540128.5.png 

MASTER OT J201238.63+293730.4 - CV

MASTER-Amur auto-detection system discovered OT source at (RA, Dec) = 20h
12m 38.63s +29d 37m 30.4s on 2013-06-28.70944 UT. 
The OT unfiltered magnitude is 14.1m (limit 17.7m). 

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

We have reference image without OT on 2013-04-15.80369 UT with unfiltered
magnitude limit 15.8m. 

Follow up observations are required.

The discovery and reference images are available at: 
http://master.sai.msu.ru/static/OT/201238.63293730.4.png 

MASTER OT J212313.61-021447.9 - CV at the dark cloud edge

MASTER-Kislovodsk auto-detection system discovered OT source at (RA, Dec)
= 21h 23m 13.61s -02d 14m 47.9s on 2013-06-29.95047 UT. 
The OT unfiltered magnitude is 17.1m (limit 18.5m). 

The OT is seen in 3 images. There is no minor planet at this place. 

We have reference image without OT on 2011-09-23.77750 UT with unfiltered
magnitude limit 19.7m. 
There are no objects in any catalog around 10 arcsec. 

Spectral observations are required.  

The discovery and reference images are available at: 
http://master.sai.msu.ru/static/OT/212313.61-021447.9.png 
<center><a href="http://observ.pereplet.ru/MASTER_OT.html">List of Optical
Transients discovered by MASTER</a></center>  

Global MASTER Net: http://observ.pereplet.ru