[vsnet-alert 17371] ASASSN-14ca

[Denis Denisenko]

I have checked MASTER database for the position of ASASSN-14ca and
found another outburst in October-November 2009, before the MASTER
automatic transient detection system was started. The outburst lasted
at least 12 days. Note the rapid fading between Nov. 08 and 09.

ASASSN-14ca = SDSS J235313.22+274201.8
  20091028.740  14.83R  MASTER-Kislovodsk
  20091028.777  14.92R  MASTER-Kislovodsk
  20091105.733  15.53R  MASTER-Kislovodsk
  20091105.791  15.48R  MASTER-Kislovodsk
  20091107.708  15.77R  MASTER-Kislovodsk
  20091107.746  15.91R  MASTER-Kislovodsk
  20091108.732  16.25R  MASTER-Kislovodsk
  20091109.733  17.74R  MASTER-Kislovodsk
  20091111.665  18.18R  MASTER-Kislovodsk

There are about twenty (!) Palomar plates of this area. The star was
at quiescence on all of them, except for 1990 Aug. 29 POSS-II red
plate when it was brighter by ~2m.

Entries in major catalogues:
USNO-A2.0 1125-19978160 (23 53 13.177 +27 42 01.93  B=19.9 R=19.4)
USNO-B1.0 1177-0764221 (23 53 13.211 +27 42 02.02 pmRA=18 pmDE=18
B1=19.99 R1=19.45 B2=20.91 R2=19.85 I=19.20)
SDSS J235313.22+274201.8
u=21.10 g=20.58 r=19.92 i=18.99 z=18.47
http://skyserver.sdss3.org/dr8/en/tools/explore/obj.asp?id=1237680306943427078
GALEX J235313.2+274202 (FUV=21.01+/-0.11 NUV=21.10+/-0.08)

Denis Denisenko
Member of MASTER team since April 2012