Classification certificate for object 2016cdd
TNS Classification Report No. 236 [ 2016TNSCR.364....1H ]

Date Received (UTC): 2016-05-19 19:25:14
Sender: Dr. Griffin Hosseinzadeh

Griffin Hosseinzadeh, Iair Arcavi, D. Andrew Howell, Curtis McCully, Stefano Valenti report/s a classification of object: SN 2016cdd

Type: SN Ib
Redshift: 0.008731

Remarks: Using Superfit (Howell et al. 2005, ApJ, 634, 119), we find a good fit to the Type Ib SN 1999dn 10 days after maximum light at the redshift of the proposed host galaxy (z=0.009; HIPASS Catalog 2006, via NED). We find He I absorption features at an expansion velocity of ~9000 km/s.

The following Classification spectrum was provided:

Obsdate: 2016-05-19 13:17:07
Instrument: FLOYDS-S
Telescope: Faulkes Telescope South

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