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Spectroscopic Classifications of Optical Transients with the Lick Shane telescope

ATel #10429; D. A. Coulter, M. R. Siebert, Y.-C. Pan, R. J. Foley (UCSC)
on 25 May 2017; 20:39 UT
Credential Certification: Yen-Chen Pan (ypan6@ucsc.edu)

Subjects: Optical, Supernovae

We report the following classifications of optical transients from spectroscopic observations with the Kast spectrograph on the Shane telescope. Targets were supplied by ATLAS and ASAS-SN. All observations were made on 2017 May 25 UT. Classifications were performed with SNID (Blondin & Tonry, 2007, ApJ, 666, 1024).

 
Name | IAU Name | RA (J2000) | Dec (J2000) | z | Type | Phase | Notes
ATLAS17fnt | AT2017edw | 10:52:04.44 | +11:35:41.69 | 0.043 | Ia | -2 d | (1) ASASSN-17gr | AT2017egb | 16:08:39.59 | +12:00:39.03 | 0.016 | Ia | -7 d | (2)

Notes: When the redshift is given to 2 decimal places, it is derived from the SN spectrum. Otherwise, the redshift is determined from the host galaxy. (1) We measure an Si II 6355 velocity of -11,200 km/s. (2) We measure an Si II 6355 velocity of -11,000 km/s.