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Spectroscopic confirmation of M31N 2019-09b as nova in M31

ATel #13141; Chien-Hsiu Lee (NOAO), Monika Soraisam (NOAO), Gautham Narayan (UIUC), Thomas Matheson (NOAO), Abhijit Saha (NOAO), Arizona-NOAO Temporal Analysis and response to Events System (ANTARES) team
on 28 Sep 2019; 04:26 UT
Credential Certification: Chien-Hsiu Lee (lee@noao.edu)

Subjects: Optical, Nova, Transient

We report spectroscopic observations of M31N-2019-09b (PNV J00424232+4117458, ATel#13109). We obtained Gemini GMOS spectrum (4x450sec exposures) of this nova on 26 Sep 2019 10:40 UT through the ToO program GN-2019B-Q-221 (PI: Lee, C.-H.). The spectrum clearly shows strong H-alpha and O I emission lines, as well as hints of weak He I emissions, confirming that M31N 2019-09b is a nova in M31.