Discovery of an Apparent Nova in M31
ATel #12925; K. Hornoch, H. Kucakova (Astronomical Institute, Ondrejov, Czech Republic)
on 11 Jul 2019; 22:05 UT
Credential Certification: Allen W. Shafter (ashafter@sdsu.edu)
Subjects: Optical, Nova, Transient
We report the discovery of an apparent nova in M31 on a co-added 720-s R-band CCD frame taken on 2019 Jul. 11.079 UT with the 0.65-m telescope at Ondrejov. Subsequently we found the object also on two prediscovery R-band images taken on Jul. 8.007 and 8.068 with the same instrumentation under poor seeing conditions.
The object designated PNV J00430090+4119194 is located at R.A. = 0h43m00s.90, Decl. = +41o19'19".4 (equinox 2000.0), which is 186.8" east and 190.9" north of the center of M31 (see link to discovery image below). Please note that the positions have larger uncertainty than typically due to proximity of a bright star.
The following R-band magnitudes were obtained using the 0.65-m telescope at Ondrejov:
2019 Jul. 4.057 UT, [18.9; 6.995, [18.0; 8.007, 16.3 ± 0.5 (prediscovery); 8.068, 15.9 ± 0.5 (prediscovery); 11.079, 17.3 ± 0.5.
We thank M. Wolf for acquiring images on Jul. 6.995 UT.
Discovery image
