IAU Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

CBAT "Transient Object Followup Reports"

PNV J00422939+4113564

PNV J00422939+4113564   2016 12 11.4470*  00 42 29.39 +41 13 56.4  17.6 U  168W 132S  M31       N 0



2016 12 11.4470

Koichi Nishiyama, Kurume,Japan and Fujio Kabashima, Miyaki,Japan report the discovery of a possible nova (mag.= 17.6) in M31 on seven 60-s unfiltered CCD frames taken around 2016 Dec. 11.44696 UT( limiting magnitude = 19.1 ), using a 0.50-m f/6.8 reflector (+FLI 1001E camera). as follows We report that this star locates 168" west and 132" south from the center of galaxy. Nothing is visible at this location on our past frames taken on 2016 Dec. 09.386 UT ( limiting magnitude = 19.1 ). But Dec. 10.520 19.0U ( limiting magnitude = 19.2 ). We have checked in Minor Planets. Nothing is visible at the position of possible nova on the Digitized Sky Survey (POSS2/UKSTU) from 1986 Nov. 27 ( limiting red mag 18.7 ) and 1993 Oct. 21 ( limiting infrared mag 17.9 ). the nearest star in M31 catalogue (http://www.lowell.edu/users/massey/lgsurvey.html) has position end figures 29s44, 55"0, distance 1"5, magnitudes V=22.5, B=23.9, R=21.7,




2016 12 17.4555

K.Nishiyama and F.Kabashima observe Nova M31 2016-12a(?), 2016 12 16.4460 18.4U(lim. 19.4). 17.4555 17.6U(lim. 19.6).



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