Central Bureau for Astronomical Telegrams

Central Bureau for Astronomical Telegrams -- Image credits

CBAT "Transient Object Followup Reports"

PNV J00423788+4112491

PNV J00423788+4112491   2022 11 01.6214*  00 42 37.88 +41 12 49.1  19.7 C   73W 199S  M31       R 1

2022 11 01.6214

Nova candidate or known VS classified by XOSS. Details can be found at http://xjltp.china-vo.org/xm90mz.html

2022 11 29.58

Follow-up observations were performed by Xing Gao at Xingming Observatory #3 (N88) around 2022 Nov. 29.58 UT using a unfiltered CCD (+ 0.6-m f/8 Ritchey-Chretien telescope). Several 300-s survey images (limiting mag about 20.0) showed that the candidate has raised to 18.6CV.

2022 11 25.0785

This star was clearly visible on a 300s CCD image made using an Rc filter remotely with 0.6m robotic telescope of Burke-Gaffney Observatory at 2022 november 25.0785UT. This object is very likely identical the very red star LGGS J004237.90+411248.9. The Spitzer photometry of ∼1million stars in M31 & 15 gal. (Khan, 2017) catalogue lists a bright infrared source at the given position. In the light of these information this is very likely an LPV. -- Robert Fidrich, Budakeszi, Hungary.  

2022 12 08.1906

PNV J00423788+4112491 was around 17.5C on 16x45s stacked images made remotely with a 0.43m DHK reflector of iTelescope.net at Mayhill, New Mexico, US. Multicolor photometry made by the XOSS team show this is a blue object, thus very likely a symbiotic nova still in rise. Follow-up photometry and spectroscopy is strongly recommended! -- Robert Fidrich, HAA/VSS, Budakeszi, Hungary.

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