Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

CBAT "Transient Object Followup Reports"

TCP J15360165-1642561

TCP J15360165-1642561   2018 12 31.8574*  15 36 01.65 -16 42 56.1  13.3 U             Lib       9 0



2018 12 31.857

Discovered by H. Nishimura, Shizuoka-ken, Japan, on three frames with 30 second exposure using Canon EOS 6D digital camera + 200-mm f/3.2 lens under the limiting mag = 15, who writes nothing is visible at this location on a frame taken on 2018 Dec. 29.861 UT with limit mag.= 15 and a star (mag = 20) presences at this location on DSS.




2019 01 01.37

A progenitor candidate from Gaia DR2 is 3" away at R.A. 15h36m01.725s, Decl. -16┬░42'58.88" (equinox J2000.0, epoch 2015.5; Gmag. 19.75). Other designations are ASAS J153601-1643.0 (single outburst on 2004 April 18.28 UT, Vmag. = 14.3), CSS_J153601.6-164301 (Vmag. range 14.8 [single outburst on 2007 March 14.49 UT] - 20.7) = SSS_J153601.7-164259 (Vmag. range ~17.6-20.1), USNO-B1.0 0732-0339455 (Bmag. 20.83, Rmag. 19.24), GSC2.3 S90F008636 (Fmag. 19.23, Bjmag. 19.86), PSO J153601.737-164258.755 (blue star, gmag. 20.11, rmag. 19.97), WISE J153601.75-164258.9, GALEX J153601.7-164300 (fuv_mag. 19.64, nuv_mag. 19.69), etc. No outbursts of this object were detected by the ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K) between 2012 February 27 and 2018 September 21 (no observations since then); complete light curve at https://asas-sn.osu.edu/light_curves/b4c4e9fc-8a4c-4b79-a7c8-a55666c0338e. This is probably a dwarf nova with at least three recorded outbursts. --- Patrick Schmeer (Saarbr├╝cken-Bischmisheim, Germany)




2019 01 01.8376

Photometry results were B=14.14, V=14.14, Rc=14.04 and Ic=14.29 with 0.2mSCT+Apogee QSI 683ws CCD at TAO Kamagaya, Chiba, Japan. Position end figures were 01.76 and 58.4 in R.A and Dec. http://meineko.sakura.ne.jp/ccd/TCP_J15360165-1642561.jpg Seiichiro Kiyota (Kamagaya, Japan)




2019 01 01.752

Mag. B= 14.16, V= 13.98, position end figures 01s.72, 58".9 observed by K. Yoshimoto, Yamaguchi-ken, Japan.




2019 01 01.827

Mag.= 14.5, position end figures 01s.68, 57".9 observed by T. Noguchi, Chiba-ken, Japan.



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