Central Bureau for Astronomical Telegrams

CBAT "Transient Object Followup Reports"

TCP J00384865+4046079

TCP J00384865+4046079   2025 10 17.4798*  00 38 48.65 +40 46 07.9  17.8 U 2677W1801S  M31       I 0

2025 10 18.8112

This object seems to be identical with the red variable Gaia DR3 381143133083759232. We have also "discovered" it independently on October 18.8112UT. -- Robert Fidrich, HAA/VSS, Budakeszi, Hungary.

2025 10 28.6722

Follow-up observation by Yuji Nakamura, Kameyama, Mie, Japan. On 2025 Oct. 28.6722 UT, mag.= 14.6 (20-s exp. limiting mag. 16.0) using 0.10-m F3.0 refractor + unfiltered cooled CMOS camera. Nothing is visible at this location on the frames taken on 2025 Sep. 29.6046 UT (limiting mag. 15.5). --- Isao Endoh and Mikiya Sato (NAOJ)

2025 11 03.5147

follow-up : mag is, B= +15.43, V= +14.89, Rc= +14.50, with, SCT_0.36m Cooled CCD Camera FLI 1001E, Exp 40 sec, Nayoro City, Hokkaido, Japan, obs by, Yasuo Sano, http://sn1997ef.web.fc2.com/sn/nova-g/m31n_tcpj00384865_40460792011-20251103.html

2025 11 07.3877

Mag.=14.7 : http://k-itagaki.jp/images/2025-abao.jpg