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THE ASTRONOMER Electronic Circular No 2934      2013 Jly 26 15.46UT
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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THE ASTRONOMER ANNUAL MEETING 2013 SEPTEMBER 28
This is a reminder to those who have not yet booked for our meeting on
September 28 in Northampton, that the discounted rate of £9.50 ends for
those bookings received after July 31. From August 1, the admission rate is
£10.00.

UZ BOOTIS
Carey Chiselbrook (Georgia, United States) reports via the AAVSO Forums that
the WZ Sge-type variable UZ Bootis is in outburst.  It was observed visually
at magnitude 12.8 on 2013 Jul 26 02:00 UT.  The outburst was confirmed by
Walter MacDonald (Ontario, Canada) imaged the field and found it at V=12.69
03:25 UT.  

As was noted by Gary Poyner, the last outburst of UZ Boo was in 2003.  That
outburst showed multiple re-brightenings, and observers should continue
monitoring the star even after it appears to decline for the first time
because it may reappear several times.  CCD observers may use a V filter or
perform unfiltered photometry when the source becomes faint.  The star
should exhibit superhumps, and observers should keep integration times as
short as possible to achieve good S/N (preferably > 20-30).

UZ Boo is located at: RA: 14:44:01.21 , Dec: +22:00:54.7 (2000)
This extract was from AAVSO Special Notice 367 prepared by Matthew
Templeton.

SUPERNOVA 2013dq IN UGC 525 9CATALINA REAL-TIME TRANSIENT SURVEY)
2013dq  Jun 27.44   00 51 34.84  +29 43 14.9  16.8   4.3”E   15.6”N
A. A. Rachubo: spectrum June 28 shows an aging type-Ia similar to others
40-65 days after maximum.

SUPERNOVA 2013dr IN PGC 60077 (ITALIAN SUPERNOVAE SEARCH PROJECT)
2013dr  Jun 30.91   17 19 30.26  +47 42 04.6  16.3   9  “W    5  “S
Nothing is visible at this position on a digitized F plate from the Palomar
Sky Survey taken on 1987 Apr. 24 (limiting magnitude 20.3).  
L. Tomasella: spectrum July 2 Asiago 1.82-m Copernico Telescope shows it to
be type-Ia a week before maximum.
The expansion velocity, as deduced from the position of the minimum of the
Si II 635.5-nm absorption, is about 11200 km/s.

SUPERNOVA 2013ds IN PGC 57429 (ITALIAN SUPERNOVAE SEARCH PROJECT)
2013ds  Jly 01.92   16 11 29.58  +57 22 51.7  18.0  15  “W    5  “S 
L. Tomasella:spectrum July 2 Asiago 1.82-m telescope type-II.

Guy M Hurst