Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PNV J16143400-5330050

PNV J16143400-5330050   2018 10 13.414 *  16 14 34.00 -53 30 05.0  10.5 V             Nor       0 0

2018 10 13.414

Object visible in 6 search frames taken by Rob Kaufman, Bright, Victoria, Australia. Not visible in image taken 12.422 Oct 2018, lim mag ~ 12.5. Position approximate. No minor planets or comets at this position; no variable stars in VSX. ASAS-SN database shows nothing to mag 15-16 in past 40 days. Nothing showing in DSS coloured image sourced from Aladin. Extinction of around 5 magnitudes indicated for this position. Discovery image here: http://i727.photobucket.com/albums/ww271/Rob_Kau/PNV%20J16143400-5330050%2013%20Oct%202013%20text.jpg~original

2018 10 13.61

13' SE of V341 Normae (Nova 1983). Nothing was detected at the transient's position by the ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K) since 2016 Mar. 10; latest observation is 2018 Sept. 24.0695 UT, gmag. fainter than 15.9; complete 'light curve' at https://asas-sn.osu.edu/light_curves/c0f879d1-d65e-4a32-8036-10dd14033317 --- Patrick Schmeer (Saarbrücken-Bischmisheim, Germany)

2018 10 14.442

Object observed at 10:37, 14 Oct 2018 UT at around mag 10.5 (~V, green channel of DSLR image) by Rob Kaufman, Bright, Victoria, Australia. Object appears reddish. Image here: http://i727.photobucket.com/albums/ww271/Rob_Kau/PNV%20J16143400-5330050%2014%20Oct%202018%2010-37%20UT%205x30sec%20200mm%20text.jpg~original

2018 10 15.3824

Photometry results were B=12.23, V=10.96, Rc=9.67 and Ic=8.70 with 0.43-m f/6.8 CDK astrograph + FLI PL4710 CCD (T17, itelescope.NET, SSO, Australia). Position end figures were 32.93 and 14.6 in R.A and Dec. Strong H alpah emission line was shown in low resolution spectroscopic images. http://meineko.sakura.ne.jp/Spe/PNV_J16143400-5330050-spe.jpg Seiichiro Kiyota (kamagaya, Japan)

2018 10 15.74

My following comments are based on Kiyota-san's astrometry result. VVV J161432.86-533014.38 (position end figures 32.86s, 14.4"; Jmag. 18.8, Ksmag. 17.3) is 0.6" away. Update: Nothing was detected at the transient's position by the ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K) since 2016 Mar. 10; latest observation is 2018 Sept. 24.0695 UT, gmag. fainter than 15.8; complete 'light curve' at https://asas-sn.osu.edu/light_curves/1b48518e-f6ac-407d-8eb1-8a38d70919cb --- Patrick Schmeer (Saarbrücken-Bischmisheim, Germany)