Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

TCP J03433597-1153124

TCP J03433597-1153124   2023 12 24.5606*  03 43 35.97 -11 53 12.4  13.0 U             Eri       0 3

2023 12 24.5606

Discovered by Yuji Nakamura, Kameyama, Mie, Japan, on two frames (30-s exp. limiting mag 16.5) taken by 0.10-m F3.0 refractor and CMOS camera. Nothing is visible at this location on the frames taken on 2023 Dec. 21.4626 UT (30-s exp. limiting mag 16.5) by same instrument. This TCP was also detected as AT 2023aaui by J. Tonry et al. (ATLAS), and by the ASAS-SN Sky Patrol (Shappee et al. (2014) and Kochanek et al. (2017)). Data and light curve at https://asas-sn.osu.edu/sky-patrol/coordinate/80709030-4c13-44ba-b10c-8daf960ba6a7 --- Isao Endoh (NAOJ)

2023 12 24.9514

Position end figures 36s.01, 13".0 measured with 0.50m reflector + CCD at Skygems Observatory, Spain. J2000, Gaia DR2 positions. Possible progenitor present in PanSTARRS images, magnitude 21.4 G (Object ID 93730559000316003). Approximate unfiltered magnitude 12.7. Andrew Pearce, Nedlands, Western Australia.