[vsnet-alert 16824] PNV J16161867+1151058: possible nova (13.1 mag) in Hercules

Patrick Schmeer pasc1312-aavso at yahoo.de
Sat Jan 25 17:30:13 JST 2014


PNV J16161867+1151058
R.A. 16h16m18.67s Decl. +11°51'05.8" (J2000.0)
13.1 mag (unfiltered) on 2014 January 24.824 UT
"Discovered by H. Nishimura, Shizuoka-ken, Japan, on four
30-s frames (limiting mag.= about 15) using 200-mm f/3.2 lens
+ Canon digital camera, who writes nothing is visible at this
location on his past frames taken on 2014 Jan. 18.854 and
22.839 UT (limit mag.= 15) using same patrol camera."
http://www.cbat.eps.harvard.edu/unconf/followups/J16161867+1151058.html

The closest USNO-B1.0 catalogue entry is 1.3" away:
USNO-B1.0 1018-0293256
R.A. 16h16m18.722s  Decl. +11°51'04.70"  (J2000.0)
B1= 20.78 mag, B2= 21.22 mag, R2= 19.39 mag

This entry is identical with SDSS J161618.71+115104.7 (a quasar candidate):
R.A. 16h16m18.711s  Decl. +11°51'04.73"  (J2000.0)
g= 20.379 mag, r= 20.518 mag, u= 20.586 mag, i= 20.627 mag

Apparent UV counterpart:
GALEX J161618.6+115105
R.A. 16h16m18.68s  Decl. +11°51'05.13"  (J2000.0)
Far-UV: FUV 21.18 +/- 0.50 mag
Near-UV: NUV 21.54 +/- 0.34 mag

Regards,
Patrick


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