Classification certificate for object 2017dgi
TNS Classification Report No. 919 [ 2017TNSCR.473....1X ]

Date Received (UTC): 2017-04-24 05:57:25
Sender: Ms. Danfeng Xiang
Group: None

D. Xiang, L. Rui, X. Wang(THU), J. Jia(NAOC), Q. Yang, X. Wu(PKU), T. Zhang(NAOC), J. Zhang(YNAO) report/s a classification of object: SN 2017dgi

Type: SN Ia
Redshift: 0.054

The following Classification spectrum was provided:

Obsdate: 2017-04-23 13:24:31
Instrument: Cassegrain
Telescope: 2.16m Beijing Astronomical Observatory Telescope

Remarks: A spectrum taken on UT Apr. 23.58 2017 indicates that this transient is consistent with a type Ia supernova about one week before maximum light.

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