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THE ASTRONOMER Electronic Circular No 2964      2013 Nov 23 10.16UT
Ed:Guy M Hurst, 16,Westminster Close, Kempshott Rise,  Basingstoke,
Hants, RG22 4PP,England.Telephone/FAX(01256)471074Int:+441256471074
INTERNET: GUY@TAHQ.DEMON.CO.UK      Backup: gmh@wdcc1.bnsc.rl.ac.uk
WORLD WIDE WEB                         http://www.theastronomer.org
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MASTER OT J095018.04-063921.9 - NEW BRIGHT LARGE-AMPLITUDE CV
A. Rufanov, Moscow State University and others report on The Astronomer's
Telegram 5587 the automatic detection by MASTER-Kislovodsk of an Optical
Transit (OT) source at:
RA 09h 50m 18.04s DEC -06d 39m 21.9s on 2013 Nov 17.008UT. The OT unfiltered
magnitude is 14.1m (limit 17.4m). The OT is seen in nine images. They have
reference image without OT on 2010 Nov 04.105UT with an unfiltered magnitude
limit 19.5m. 

The OT at quiescence is identical to the faint blue star USNO-B1.0
0833-0227098 (09h 50m 18.137s -06d 39' 21.96", B1=20.07 R1=19.51 B2=20.89
R2=20.08). A Colour-combined finder chart is uploaded to
http://master.sai.msu.ru/static/OT/J095018-063921-JRIR.jpg
(10'x10' FOV). 

The position of the OT was observed by the sky view project with 74 images
obtained on 28 different nights from 2000 Mar. 07 to 2004 Apr. 06. The
object was at quiescence on all images. No outbursts were detected by the
Catalina Real-Time Transient Survey. 

Based on the blue colour, and amplitude of variability they conclude that
MASTER OT J095018.04-063921.9 is a new cataclysmic variable of SU UMa (UGSU)
type in superoutburst. The discovery and reference images are available at:
http://master.sai.msu.ru/static/OT/095018.04-063921.9.png

SUPERNOVA 2013ft IN NGC 7732 (LOSS)
2013ft  Sep 13.29   23 41 35.20  +03 43 30.5  18.6  20.4"E    0.5"N
M. Childress: spectrum Oct 8 type-IIP a few weeks after maximum.

Guy M Hurst