Classification certificate for object 2017eby
TNS Classification Report No. 1018 [ 2017TNSCR.601....1B ]

Date Received (UTC): 2017-05-27 15:25:22
Sender: Dr. David Bersier

David Bersier report/s a classification of object: SN 2017eby

Type: SN Ia-CSM
Redshift: 0.084

Remarks: There is a strong emission line corresponding to Halpha at z=0.084. The best SNID fit is with SN 2002ic, a SN Ia-CSM, more than a month after maximum. From the spectrum, it is not clear whether the emission line is extended or not though.

The following Classification spectrum was provided:

Obsdate: 2017-05-26 23:03:10
Instrument: SPRAT
Telescope: Liverpool Telescope

Details of the object and its spectra can be viewed here: