Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

CBAT "Transient Object Followup Reports"

TCP J00424034+4119295

TCP J00424034+4119295   2015 09 10.6351*  00 42 40.34 +41 19 29.5  18.5 U   45W 201N  M31       N 0


2015 09 10.6356

Koichi Nishiyama, Kurume,Japan and Fujio Kabashima, Miyaki,Japan report the discovery of a TCP .(mag.= 18.5) in M31 on seven 60-s unfiltered CCD frames taken around 2015 Sep. 10.63508 UT, ( limiting magnitude = 19.6 ) using a 0.50-m f/6.8 reflector (+FLI 1001E camera). as follows the nearest star in M31 catalogue (http://www.lowell.edu/users/massey/lgsurvey.html) has position end figures 40s30, 28."8, distance 0."8, magnitudes V=21.7, B=22.8, R=20.5 Perhaps object is this star.



2015 09 11.5321

Koichi Nishiyama, Kurume,Japan and Fujio Kabashima, Miyaki,Japan report the ovservation of a TCP J00424034+4119295 17.5mag on four 60-s unfiltered CCD frames taken around 2015 Sep. 11.53205 UT, ( limiting magnitude = 19.4 ) using a 0.5-m f/6.8 RC(+FLI 1001E camera). TCP object brighten 1.0 mag, 0.9 day. So, that may be Nova?



2015 09 12.496

Mag.= 16.8, position end figures 40s.44, 29".1 observed by T. Noguchi, Chiba-ken, Japan using 0.23-m f/6.3 Schmidt Cassegrain + unfiltered CCD. An image posted at http://park8.wakwak.com/~ngc/images/TCPinM31_20150912.jpg.



2015 09 13.5569

Koichi Nishiyama, Kurume,Japan and Fujio Kabashima, Miyaki,Japan report the ovservation of a TCP J00424034+4119295 16.0U mag on 2015 Sep. 13.55690 UT, ( limiting magnitude = 19.4 ). position end figures 40.38, 29."5, TCP object brighten 2.5 mag, 2.9 day.



2015 09 14.453

Mag.= 15.6 observed by T. Noguchi, Chiba-ken, Japan using 0.23-m f/6.3 Schmidt Cassegrain + unfiltered CCD. An image posted at http://park8.wakwak.com/~ngc/images/TCPinM31_20150914.jpg.



2015 09 14.7286

2015 09 14.72859UT Mag=15.4U (limiting magnitude=18.9), using a 0.50-m f/6.8 RC(+FLI 1001E camera) observed by K.Nishiyama



2015 09 10.7796

This transient was observed on 2015 09 10.77966, 11.74740, 12.72076 and 17.71419 UT by Zhijian Xu and Xing Gao, using an unfiltered CCD + Celestron C14 Schmidt-Cassegrain telescope D=356-mm f/6.9, Xingming Observation Sky Survey(C42), mag. 18.3 U, 17.2U, 16.6U and 15.9U, (reference stars from UCAC-4). Image can be seen: http://njzhijian.lamost.org/Supernova/TCP_J00424034+4119295_4days.jpg


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