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THE ASTRONOMER Electronic Circular No 3011      2014 Jun 29 16.00UT
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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GRB 140629A: SWIFT DETECTION OF BURST WITH OPTICAL COUNTERPART 
a. Y. Lien (GSFC/UMBC) et. al. report on GCN 16477 that at
14:17:30 UT (2014 June 29), the Swift Burst Alert Telescope (BAT) triggered
and located GRB 140629A. The BAT on-board calculated location is RA 16h 35m
56s DEC +41d 53' 25" (2000) with an uncertainty of 3 arcmin.

The BAT light curve shows an initial rise of the event starting at ~T-5 sec
out to ~T+5 sec, at which point there is a gap in the TDRSS light curve so
nothing can be said at this time for the light curve past T+5 sec.  The peak
count rate was ~2000 counts/sec (15-350 keV), at ~0 sec after the trigger. 

The XRT began observing the field at 14:19:04.5 UT, 94.2 seconds after the
BAT trigger. Using promptly downlinked data we find a bright, uncatalogued
X-ray source located at RA, Dec 248.97675, 41.87702 which is equivalent to:
   RA(J2000)  = 16h 35m 54.42s
   Dec(J2000) = +41d 52' 37.3"
with an uncertainty of 4.0 arcseconds (radius, 90% containment). 

UVOT took a finding chart exposure of 150 seconds with the White filter
starting 101 seconds after the BAT trigger. There is a candidate afterglow
in the rapidly available 2.7'x2.7' sub-image at
  RA(J2000)  =	16:35:54.46 = 248.97691
  DEC(J2000) =    +41:52:36.7  =  41.87685
with a 90%-confidence error radius of about 0.74 arc sec. This position is
0.8 arc sec. from the center of the XRT error circle. The estimated
magnitude is 14.81 with a 1-sigma error of about  0.14. No correction has
been made for the expected extinction corresponding to E(B-V) of 0.01. 

SUPERNOVA 2014at IN NGC 7119 (STUART PARKER)
2014at  Apr 20.71   21 46 14.82  -46 31 21.1  16.3r  7  "W   16  "S
An image of the variable is at URL http://tinyurl.com/lx5wcbh
S. Benitez: spectrum Apr 20 type-Ia one week before maximum

SUPERNOVA 2014au IN PGC 51192 (CATALINA REAL-TIME SURVEY)
2014au  Apr 20.31   14 19 28.92  -05 37 36.1  20.2   5.8"E   43.9"S
S. Benitez: spectrum Apr 23 type-IIP several weeks after explosion

SUPERNOVA 2014av IN UGC 4713 (XINGMING SKY SURVEY)
2014av  Apr 19.71   09 00 20.02  +52 29 28.0  16.2   2.7"W   11.2"S
J.-J. Zhang: spectrum Apr 23 transitional type-Ibn.

SUPERNOVA 2014aw (CSS)
2014aw  Apr 25.46   16 10 23.61  +47 04 40.3  16.5
Dave Balam: spectrum May 7 1.82-m Plaskett Telescope, type-Ia one week after
maximum.

SUPERNOVA 2014ay IN UGC 11037 (ASSASN)
2014ay  May  4.47   17 55 05.43  +18 15 26.4  16.7    
P. Ochner: spectrum May 8 type-II a few days after explosion.

Guy M Hurst