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THE ASTRONOMER Electronic Circular No 3055      2015 Jan 28 17.17UT
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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ASASSN-15bp:L VERY BRIGHT HIGH-AMPLITUDE CV
G. Simonian (Ohio Strate) et. al. reports on ATEL 6981 that during the
ongoing All Sky Automated Survey for SuperNovae (ASAS-SN or
"Assassin"), using data from the quadruple 14-cm "Brutus" telescope in
Haleakala, Hawaii, they discovered a new transient source:

RA (J2000)      DEC (J2000)     Discovery Date    V mag
12:12:40.410    +04:16:56.21    2015-01-23.52     11.9 

ASASSN-15bp was discovered at V=11.9 in ``Brutus'' images taken on
2015-01-23.52, but not present (V>17.2) in images taken on 2015-01-20.52. At
the position of the transient, Vizier reports a match to a faint g=20.5 blue
SDSS source, as well as a nearby GALEX
NUV=20.9 source. Archival observations from the Catalina Real-time Transient
Survey (CRTS) do not show outbursts, but do indicate variability spanning
two magnitudes, possibly due to eclipses.

Given the large amplitude of its outburst, this transient is most likely a
WZ Sge-type dwarf nova. Follow-up observations are encouraged.

Guy M Hurst