Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

TCP J17294472-4236232

TCP J17294472-4236232   2023 05 26.2349*  17 29 44.72 -42 36 23.2  12.7 U             Sco       9 1

2023 05 26.2349

Discovered by E. Pimentel, C. Jacques, C. Colesanti, C. Barreto, J. Ribeiro, M. Domingues, J. Amancio, L. Amaral, P. Holvorcem, T. Napoleao on behalf of the Brazilian Transient Search - BraTS - at SONEAR 2 Observatory, Belo Horizonte, Brazil in three frames with 10 seconds exposure using an astrograph 280mm f/2.2 + CCD unfiltered, with magnitude 12.7 under limiting mag = 16.5. Nothing is visible at this location on the previous frames (limiting mag = 16.5) taken on 2023 May 16.2281 UT.

2023 05 26.6538

Photometry results were B=12.74, V=12.68 and Ic=12.63 with 0.50-m f/4.5 CDK astrograph + FLI PL6303E CCD (T30, iTlescope.NET) at SSO, Australia. Seiichiro Kiyota (Kamagaya, Japan)

2023 05 26.601

Photometry using 0.35m R-COP reflector + CCD at Perth Observatory, W. Australia as follows: May 26.598 UT B = 12.59, May 26.599 V = 12.46, May 26.601 UT R = 12.26 and May 26.603 I = 12.01. Andrew Pearce, Nedlands, Western Australia.

2023 05 26.601

Position end figures 44s.68, 22".8 measured with 0.35m R-COP reflector + CCD at Perth Observatory, W. Australia. J2000, Gaia DR2 positions. Position appears to correspond to a 20th magnitude star (Gaia DR3 5958740358371853952). Andrew Pearce, Nedlands, Western Australia.