Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

TCP J17440698-2125195

TCP J17440698-2125195   2024 08 11.4556*  17 44 06.98 -21 25 19.5  13.7 U             Sgr       9 0

2024 08 11.4556

Discovered by Tadashi Kojima, Tsumagoi,Gunma-ken, Japan, on three frames(4_s exp) under limiting mag.= 14.3 taken by Canon EOS 6D digital camera + 300mm f/3.2 lens. Nothing is visible at this location taken on 2024 Aug 10.513UT under limiting mag=14.3, mag=13.5 on 2024 Aug 11.507UT with same instrument.

2024 08 11.5587

Photometry results were B = 14.86, V = 13.76, Ic = 11.80. position end figures 07s.03, 21".2 using 0.20-m f/8 Ritchey-Chretien + CMOS + f/5.4 focal Reducer. The transient is located near Gaia EDR3 4117330506658816896 (G mag 16.62). An image at URL http://orange.zero.jp/k-yoshimoto/TCP_J17440698-2125195_20240811.jpg observed by K. Yoshimoto, Yamaguchi, Japan.

2024 08 11.903

Position end figures 07s.05, 21.0" measured with 0.36m f/8 reflector + CCD at Skygems Observatory, Namibia. J2000, Gaia DR2 positions. Position appears to correspond with Gaia DR3 4117330506658816896 (magnitude 16.6 G). Photometry V=13.61, B=15.45 and R=12.54. Andrew Pearce, Nedlands, Western Australia