Classification certificate for object 2017gfj
TNS Classification Report No. 1154 [ 2017TNSCR.906....1W ]

Date Received (UTC): 2017-08-23 14:41:59
Sender: Dr. Jujia Zhang
Group: None

Jujia Zhang and Xiaofeng Wang report/s a classification of object: SN 2017gfj

Type: SN Ia
Redshift: 0.072

Remarks: The spectrum is consistent with that of a type Ia supernova at around the maximum light. Note that the redshift of this supernova is estimated to be about 0.072 from the SNID fit, which is apparently larger than the redshift of the proposed host galaxy UGC 11950 (z~0.0205).

The following Classification spectrum was provided:

Obsdate: 2017-08-22 16:47:59
Instrument: YFOSC
Telescope: Lijiang 2.4m telescope - Yunnan Obsvervatories

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