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spectral ID of supernova AT2017cfb

ATel #10178; A. Bieryla, T. Carmichael, P. Challis, R. Cordova, D. Finkbeiner, R. Gilchrist, E. Komorowski, E. Alonso-Monsalve (Harvard University)
on 17 Mar 2017; 16:29 UT
Distributed as an Instant Email Notice Supernovae
Credential Certification: Peter Challis (pchallis@cfa.harvard.edu)

Subjects: Optical, Supernovae

Referred to by ATel #: 10180

Spectra (range 350-760 nm) of supernova AT2017cfb (=ATLAS17cof) was obtained on Mar 17, 2017 UT with the F. L. Whipple Observatory 1.5-m telescope (+ FAST). Cross-correlation with a library of supernova spectra using the "Supernova Identification" code (SNID; Blondin and Tonry 2007, Ap.J. 666, 1024) shows AT2017cfb to be a normal type Ia Supernova about 1 week before maximum brightness. The minimum of the SiII 6355 line is at a velocity of 4800 km/s.