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Spectroscopic observation of the transient AT2019tsc in M31

ATel #13261; Chien-Hsiu Lee (NSF OIR Lab), Monika Soraisam (NCSA/UIUC), Gautham Narayan (UIUC), Thomas Matheson (NSF OIR Lab), Abhijit Saha (NSF OIR Lab), Arizona-NOAO Temporal Analysis and Response to Events System (ANTARES) team
on 4 Nov 2019; 21:08 UT
Credential Certification: Chien-Hsiu Lee (lee@noao.edu)

Subjects: Optical, Nova, Transient

We report the spectral observation of the transient AT2019tsc in M31. This event was reported by G. Sun and X. Gao and designated as PNV J00424064+4107458 = AT 2019tsc, and also by Horonch et al. as M31N-2019-10i in ATel #13246.

 
Name       | Alternative name                     |    RA (J2000)     |    Dec (J2000)    | First detection: MJD, mag 
AT2019tsc  | PNV J00424064+4107458, M31N-2019-10i |    00:42:40.640   |    41:07:45.80    | 58785.762, R~19.2+/-0.3 

We obtained Gemini GMOS spectrum (4x900sec exposures) of this nova on 3 Nov 2019 UT through the ToO program GN-2019B-Q-221 (PI: Lee, C.-H.). The spectrum clearly shows strong H-alpha and OI emission lines, suggesting the nova nature of this source.