Classification certificate for object 2017htb
TNS Classification Report No. 1392 [ 2017TNSCR1218....1L ]

Date Received (UTC): 2017-11-05 21:57:04
Sender: Mr. Robin Leadbeater
Group: None

Robin Leadbeater report/s a classification of object: SN 2017htb

Type: SN Ia

Remarks: Classification using SNID ( Blondin, S. & Tonry, J. L. 2007. ApJ, 666, 1024) predicts a type 1a supernova a few days pre maximum. The sub-type is uncertain but the best fit is to a type 91-T

The following Classification spectrum was provided:

Obsdate: 2017-11-05 20:03:41
Instrument: Other
Telescope: Other

Remarks: R~150 spectrum obtained using modified ALPY spectrograph at Three Hills Observatory as described here http://www.threehillsobservatory.co.uk/astro/spectroscopy_20.htm

Details of the object and its spectra can be viewed here: https://wis-tns.weizmann.ac.il/object/2017htb