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FLOYDS Classification of MASTER OT J164244.87+272054.3 as a Type Ia Supernova Near Peak

ATel #9028; G. Hosseinzadeh, I. Arcavi, D. A. Howell, C. McCully (LCOGT/UCSB), S. Valenti (UC Davis)
on 6 May 2016; 23:28 UT
Credential Certification: Iair Arcavi (iarcavi@lcogt.net)

Subjects: Optical, Supernovae

We obtained a spectrum of MASTER OT J164244.87+272054.3 (ATel #9022) on 2016 May 6.6 UT with the robotic FLOYDS instrument mounted on the LCOGT 2-meter telescope in Siding Spring, Australia. Using SNID (Blondin & Tonry 2007, ApJ, 666, 1024), we find a good fit to the normal Type Ia SN 1990N 2 days after maximum light at redshift z=0.108.