Follow up optical observations of the M31 bright nova AT2018jas
ATel #12268; A. Valcheva (Sofia University), A. Kostov (IA and NAO, BAS), M. Minev (Sofia University), E. Ovcharov (Sofia University), P. Nedialkov (Sofia University)
on 5 Dec 2018; 04:06 UT
Credential Certification: Evgeni Ovcharov (evgeni@phys.uni-sofia.bg)
Subjects: Optical, Nova, Transient
We report optical photometric observations of the M31 nova AT2018jas obtained between
2018 Nov. 30 and 2018 Dec. 03 with the 2m and 50/70 cm Schmidt telescopes at NAO Rozhen, Bulgaria.
The magnitudes were calibrated using Revised LGGS (Massey et al. 2016) and are as follows:
Date Magnitude Exposure Telescope
2018 Nov. 30.936 R=16.86 ± 0.03 5x300sec 50/70cm
2018 Nov. 30.953 B=17.34 ± 0.04 3x300sec 50/70cm
2018 Dec. 02.817 R=17.27 ± 0.03 5x300sec 50/70cm
2018 Dec. 03.675 R=17.58 ± 0.02 3x300sec 2m
2018 Dec. 03.686 V=17.91 ± 0.01 3x300sec 2m
2018 Dec. 03.697 B=17.85 ± 0.02 3x300sec 2m
2018 Dec. 03.725 R=17.35 ± 0.03 3x300sec 50/70cm
2018 Dec. 03.736 B=17.92 ± 0.03 3x300sec 50/70cm
This work was supported in part by the NSF Bulgaria grant
DN18/10-11.12.2017 and Ministry of Education and Science of the Republic
of Bulgaria, National RI Roadmap Project DO1-157/28.08.2018.
