Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

PNV J17580848-3005376

PNV J17580848-3005376   2020 07 16.5194*  17 58 08.48 -30 05 37.6   9.9 C             Sgr       9 0

2020 07 15.1749

The transient is confirmed by recent ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K) observations: 2020 July 10.291 UT, gmag. fainter than 15.5; 15.175 UT, gmag. 10.48; recent light curve and data at https://asas-sn.osu.edu/light_curves/be1270ac-7b25-4bdd-a11f-74d53b9598e6 —— Patrick Schmeer (Saarbrücken-Bischmisheim, Germany) 2020 June 22.952 UT, gmag. fainter than 17.9; 30.985 UT, gmag. 12.72. No previous brightenings were recorded since 2014 May 11; complete light curve and data at https://asas-sn.osu.edu/light_curves/59897bf7-fc67-41b9-822a-6d86e39326df —— Patrick Schmeer (Saarbrücken-Bischmisheim, Germany)

2020 07 15.1749

Please disregard my previous follow-up report. The transient is confirmed by recent ASAS-SN Sky Patrol (Shappee et al. 2014ApJ...788...48S and Kochanek et al. 2017PASP..129j4502K) observations: 2020 July 10.291 UT, gmag. fainter than 15.5; 15.175 UT, gmag. 10.48; recent light curve and data at https://asas-sn.osu.edu/light_curves/be1270ac-7b25-4bdd-a11f-74d53b9598e6 —— Patrick Schmeer (Saarbrücken-Bischmisheim, Germany)

2020 07 15.1749

No previous outbursts or eruptions were recorded by the ASAS-SN Sky Patrol since 2016 March 10 (the brightening on 2019 April 2.262 UT is very likely not real); complete light curve and data at https://asas-sn.osu.edu/light_curves/4c0bd99e-3edd-4bdb-996f-be39ec5755b8 —— Patrick Schmeer (Saarbrücken-Bischmisheim, Germany)

2020 07 15.381

Object visible on 3 DSLR images taken on July 15.3813 UT using DSLR and 50 mm F/1.2 lens. Magnitude 9.5. Images taken by John Seach, Grafton, NSW Australia.

2020 07 16.51939

Shigehisa Fujikawa, Kan'onji, Kagawa, Japan, reports his discovery of this PNV (mag 9.9) in Sgr on a frame taken on 2020 July 16.51939 (limiting mag 13.5, 60 sec exp) using BN-51LN + f=120mm F/3.5 lens.

2020 07 17.1494

Photometry results were B=11.47, V=10.34 and Ic=7.91 with 0.25-m f/3.4 Reflector + SBIG ST-10XME CCD (T5, iTelesciope.NET) at Mayhill, USA. Position end figures were 08.53 and 36.0 in R.A and Dec.,respectively. Seiichiro Kiyota (Kamagaya, Japan)

2020 07 17.3011

Position end figures were 08.53 and 36.0 in R.A and Dec.,respectively. Astrometry made by Robert Fidrich (Budapest, Hungary) using CCD images made by Robert J. Modic (Willoughby, OH, US) made with a 0.25-m f/3.4 Reflector + SBIG ST-10XME CCD (T5, iTelesciope.NET) at Mayhill, USA.

2020 07 17.3011

Please disregard the previous submission. Corrected position end figures were 08.46 and 35.8 in R.A and Dec.,respectively. Astrometry made by Robert Fidrich (Budapest, Hungary) using CCD images made by Robert J. Modic (Willoughby, OH, US) made with a 0.25-m f/3.4 Reflector + SBIG ST-10XME CCD (T5, iTelesciope.NET) at Mayhill, USA.

2020 07 17.5837

Mag. = 10.8 TG.

2020 07 17.5837

Follow-up observation: July 17.5837, 2020. Mag. = 10.8 TG using Canon EOS 60D camera with 135-mm F/5.6 lens (stacked 10x10 sec., ISO-6400). Filipp Romanov (Yuzhno-Morskoy, Nakhodka, Russia).

2020 07 17.521

Mag.= 10.35cG, a red star, position end figures 08s.48, 35".7 observed by K. Yoshimoto, Yamaguchi-ken, Japan, using 180mm f/2.8 lens + Canon EOS Kiss X7i digital camera. An image at http://orange.zero.jp/k-yoshimoto/PNV_J17580848-3005376.jpg.