Classification certificate for object 2017jdn
TNS Classification Report No. 1578 [ 2017TNSCR1488....1L ]

Date Received (UTC): 2017-12-28 03:38:29
Sender: Lin Han
Group: None

H. Lin, D. Xiang, L. Rui, X. Wang(THU), F. Xiao, P. Qiu(NAOC), T. Zhang(NAOC), J. Zhang(YNAO) report/s a classification of object: SN 2017jdn

Type: SN IIb
Redshift: 0.0317

The following Classification spectrum was provided:

Obsdate: 2017-12-27 20:17:39
Instrument: Cassegrain
Telescope: 2.16m Beijing Astronomical Observatory Telescope

Remarks: Cross-correlation with a library of supernova spectra using the "Supernova Identification" code (SNID; Blondin and Tonry 2007, Ap.J., 666, 1024) shows that this transient is consistant with type IIb supernova

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