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THE ASTRONOMER Electronic Circular No 2414      2008 Jan 24 15.54UT
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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DWARF NOVA IN CANIS MINORIS
K. Itagaki, Japan, has discovered a variable star (mag 12.3) on 
unfiltered CCD images obtained with a 0.21-m reflector on 2008 Jan. 
19.546 UT, the "new" object located at:
RA 07h 47m 27.64s DEC +06 50' 50.0" (2000.0)
Nothing is visible at this position on Itagaki's image from 2007 Oct. 17 
(limiting mag 17.5), though a faint star of mag about 19.5 is within 1" 
of this position in both the USNO-B1.0 and GSC 2.3.2 catalogues.

H. Naito and S. Narusawa, NHAO, report that a low-resolution spectrum 
taken on Jan. 19.63 UT with 2.0-m NAYUTA telescope at NHAO under hazy 
conditions, shows a smooth, blue continuum with absorption lines of the 
Balmer series, which indicates that the new variable is a dwarf nova in 
outburst.

SUPERNOVA 2008D IN NGC 2770
W. Li and A. V. Filippenko report on CBET 1202 the discovery of an 
apparent mag 17.5 supernova on an unfiltered KAIT image taken on 2008 
Jan. 11.42 UT.

The new object is located at:
RA 09h 09m 30.65s DEC +33 8' 20.3" (2000) which is 38.3"W and 55.6" N of 
the nucleus of NGC 2770.  A KAIT image on Jan. 2.43 showed
nothing at this location (limiting mag 19.6).

SN 2007uy, last referred to recently in TA E-Circular 2412, was also in 
NGC 2770 and was measured at mag 15.5 on Jan. 11.42.

Li and Filippenko note that 2008D is coincident in position with a 
transient in NGC 2770 that was first reported in x-ray observations by 
Swift/XRT and then was reported optically by Deng and Zhu (GCN 7160).

Spectra obtained by Soderberg et al. (GCN 7165) reveal a smooth, 
featureless continuum with a suggestion of a broad bump near 550.0 nm 
that may indicate the emergence of supernova features.

EX LUP
Further to the note on TA E-Circular 2413, Martin Nicholson, Daventry, 
England reports photometry using a remote robotic telescope in 
Australia:
2008 Jan 21.7319UT, 10.54V

SUPERNOVA 2008E IN ANONYMOUS GALAXY
Discovery by ROTSE collaboration of a possible supernova (CBET 1206):
SN      2008 UT      R.A.  (2000.0)  Decl.    Mag.     Offset
2008E   Jan  4.47   11 25 36.95  +52 08 25.9  18.2   0.1"W, 1.6"S
A spectrum obtained on Jan. 7.35 with the 9.2-m Hobby-Eberly Telescope 
shows it to be a type-Ia supernova.  The spectrum is similar to that of 
SN 1992A a few days before maximum light.

SUPERNOVA 2008F IN MCG -01-8-15
Discovery by Tim Puckett and Giovanni Sostero of a possible supernova 
(CBET 1207):
SN      2008 UT      R.A.  (2000.0)  Decl.    Mag.     Offset
2008F   Jan 12.14   02 54 55.11  -06 21 56.7  18.4  15.4"E,27.0"N

Guy M Hurst