Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

TCP J05285567+3618388

TCP J05285567+3618388   2015 10 24.740 *  05 28 55.67 +36 18 38.8  14.2 U             Aur       0 0

2015 10 24.740

Discovered by S. Ueda, Kushiro, Japan, using 0.25-m f/3.4 reflector, who has confirmed this object on following two frames. Nothing is visible at this location on his past survey frames including the recent frame taken on 2015 Oct. 11 UT. Also he found there is a DSS star (mag.= 16.5, position end figures 55s.69, 39".0) located on this position.

2015 10 25.37

Probable counterpart: GALEX J052855.6+361837 (05 28 55.694 +36 18 37.59; NUV= 20.59 mag), USNO-B1.0 1263-0106149 (05 28 55.656 +36 18 39.03; B1= 20.28, B2= 19.72, R2= 19.93 mag), GSC2.3 N9P1003942 (05 28 55.674 +36 18 39.19; F= 19.65, j= 20.12 mag), URAT1 632-107207 (05 28 55.670 +36 18 38.87), UGPS J052855.67+361839.0 (05 28 55.675 +36 18 39.00; J= 18.20, H= 18.06, K= 17.43 mag), IPHAS2 J052855.67+361839.0 (05 28 55.67 +36 18 39.0; r= 19.92, i= 19.70, ha= 19.01 mag) --- Patrick Schmeer (Bischmisheim, Germany)

2015 10 25.000

Mag.= 15.8, position end figures 55s.65, 38".9 observed by T. Noguchi, Chiba-ken, Japan using 0.23-m f/6.3 Schmidt Cassegrain + unfiltered CCD, who notes there is a DSS star (mag. 17.9) at position end figures 55s.67, 39".1 on 1989 Oct. 4 plate. An image posted at http://park8.wakwak.com/~ngc/images/PNVinAur.jpg.

2015 10 25.5635

Photometry were V=15.73, Rc=15.60 and Ic=15.68 with 25cm SCT + Apogee Alta F47 CCD at Kamagaya, Japan. This object might be a dwarf nova outburst as it is bule. (Seiichiro Kiyota)