Independent Discovery of a Probable Nova in M31
ATel #13246; K. Hornoch, H. Kucakova (Astronomical Institute, Ondrejov, Czech Republic), M. Wolf (Astronomical Institute, Charles U., Prague, Czech Republic)
on 30 Oct 2019; 21:13 UT
Credential Certification: Allen W. Shafter (ashafter@sdsu.edu)
Subjects: Optical, Nova, Transient
Referred to by ATel #: 13261
We report the independent discovery of a probable nova in M31 on a co-added 1260-s R-band CCD frame taken on 2019 Oct. 29.762 UT with the 0.65-m telescope at Ondrejov. The new object was found as a faint nova candidate and subsequently confirmed on a co-added 900-s R-band CCD frame taken on Oct. 30.831 UT with the same instrumentation.
The object was independently discovered also by G. Sun and X. Gao and designated as PNV J00424064+4107458 = AT 2019tsc. The object was designated by us as M31N 2019-10i and is located at R.A. = 0h42m40s.62, Decl. = +41o07'45".6 (equinox 2000.0), which is 41.8" west and 502.9" south of the center of M31 (see link to discovery
image below).
The following R-band magnitudes were obtained using the 0.65-m telescope at Ondrejov:
2019 Oct. 28.751 UT, [19.9; 29.762, 19.2 ± 0.3; 30.831, 18.2 ± 0.15.
Discovery image
