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Spectroscopic Classification of MASTER OT J152333.04+092125.6 as a post-maximum Type Ia Supernova

ATel #8994; Charles Kilpatrick, Jennifer Andrews, Peter Milne, Nathan Smith (University of Arizona)
on 27 Apr 2016; 11:10 UT
Credential Certification: Charles Kilpatrick (charlesk@email.arizona.edu)

Subjects: Optical, Supernovae, Transient

The AZTEC (Arizona Transient Exploration and Characterization) collaboration reports an optical spectrum of MASTER OT J152333.04+092125.6 (ATEL #8903) obtained on UT 2016 Apr. 27.440 with the 2.3m Bok telescope (+ Boller & Chivens spectrograph) on Kitt Peak, Arizona. Cross-correlation using GELATO (Harutyunyan et al. 2008) finds good matches with SNe Ia (e.g., SN 1989B) approximately 15-20 days post-maximum and with a redshift of 0.033.