Discovery of an Apparent Nova in M31
ATel #4962; K. Hornoch (Astronomical Institute, Ondrejov, Czech Republic)
on 8 Apr 2013; 21:59 UT
Credential Certification: Allen W. Shafter (aws@nova.sdsu.edu)
Subjects: Optical, Nova, Transient
Referred to by ATel #: 5099
I report the discovery of an apparent nova in M31 on a co-added 540-s R-band CCD frame taken on 2013 Apr. 8.140 UT with the 0.65-m telescope at Ondrejov.
The new object designated PNV J00425838+4118556 is located at R.A. = 0h42m58s.38, Decl. = +41o18'55".6 (equinox 2000.0), which is 158.4" east and 167.1" north 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:
2013 Mar. 24.772 UT, [19.6; Apr. 8.140, 16.3 +/- 0.1.
In addition, following R-band magnitudes of the PNV J00425509+4115560 and the PNV J00425469+4110257 (ATel #4913) were measured: Apr. 8.140 UT, 17.5 +/- 0.15 and 19.4 +/- 0.4, respectively.
Discovery image