[IAUC] CBET 3040: 20120304 : POSSIBLE NOVA IN CARINA (TCP J10502000-6406480)

Sab Mar 3 22:09:39 ART 2012

                                                  Electronic Telegram No. 3040
Central Bureau for Astronomical Telegrams
INTERNATIONAL ASTRONOMICAL UNION
CBAT Director:  Daniel W. E. Green; Hoffman Lab 209; Harvard University;
 20 Oxford St.; Cambridge, MA  02138; U.S.A.
e-mail:  cbatiau en eps.harvard.edu (alternate cbat en iau.org)
URL http://www.cbat.eps.harvard.edu/index.html
Prepared using the Tamkin Foundation Computer Network


POSSIBLE NOVA IN CARINA (TCP J10502000-6406480)
     John Seach, Chatsworth Island, NSW, Australia, has reported his discovery
of a possible new nova (mag 10.2) on three CCD images (limiting mag 11.0)
taken on Feb. 26.543 UT with an SLR camera with a 50-mm f/1.0 lens; he gives
the position of the variable as R.A. = 10h50m20s, Decl. = -64d06'48" (equinox
2000.0), and he adds that a possible image of the new object at mag 11 is
seen at the limiting of visible on an image taken on Feb. 25.733.  Nothing is
present at this position on his image from Feb. 23.424 (limiting mag 11) or on
a red Palomar Sky Survey image.  The variable was designated TCP
J10502000-6406480 when it was posted at the Central Bureau's TOCP webpage.
Additional magnitudes for the possible nova:  Feb. 27.441, 10.4 (Seach); Mar.
1.155, V = 10.55 (Arto Oksanen and Caisey Harlingten, using a 0.50-m telescope
at San Pedro de Atacama, Chile; position end figures 19s.66, 46".7; USNO-A2.0
reference stars; no variability over four hours, Mar. 1.17-1.33 UT); 1.295,
V = 10.32, I = 9.00 (J. Hambsch, Mol, Belgium; via E. Waagen, AAVSO ); 1.458,
B = 10.91, V = 10.31 (T. Bohlsen, Armidale, NSW, Australia; via Waagen);
1.461, R = 9.65, I = 9.11 (Bohlsen); 2.292, V = 10.40 (Hambsch); 3.306, V =
10.72, I = 9.30 (Hambsch); 3.364, V = 10.68, I = 9.32 (Hambsch).  Oksanen
notes that a nearby very faint star is visible near the plate limit (mag
perhaps 19) on a red U.K. Schmidt telescope IIIa-F plate (RG610 filter) taken
on 1994 Apr. 9, but he adds that the star is not exactly at the position of
the presumed nova.  Oksanen's image posted is at the following website URL:
http://pilvi.dyndns.org/arto/TCPJ10502000-6406480-S001-R001-C001-V.jpg.


NOTE: These 'Central Bureau Electronic Telegrams' are sometimes
      superseded by text appearing later in the printed IAU Circulars.

                         (C) Copyright 2012 CBAT
2012 March 4                     (CBET 3040)              Daniel W. E. Green