[ Previous | Next | ADS ]

Discovery of a Probable Nova in M31

ATel #10618; K. Hornoch (Astronomical Institute, Ondrejov, Czech Republic), H. Kucakova (Astronomical Institute, Charles U., Prague, Czech Republic)
on 4 Aug 2017; 00:37 UT
Credential Certification: Allen W. Shafter (ashafter@mail.sdsu.edu)

Subjects: Optical, Nova, Transient

We report the discovery of a probable nova in M31 on a co-added 1350-s R-band CCD frame taken on 2017 Aug. 3.840 UT with the 0.65-m telescope at Ondrejov.

The object designated PNV J00423895+4115171 is located at R.A. = 0h42m38s.95, Decl. = +41o15'17".1 (equinox 2000.0), which is 60.6" west and 51.4" 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:

2017 Aug. 2.855 UT, [19.0; 3.840, 17.5 ± 0.15; 3.868, 17.5 ± 0.15.

Discovery image