Classification certificate for object 2020gzy
TNS Classification Report No. 7264 [ 2020TNSCR2360....1R ]

Date Received (UTC): 2020-08-01 14:07:58
Sender: Dr. Andrea Pastorello
Group: NUTS

A. Reguitti (Univ. Andres Bello), A. Pastorello (INAF-OAPd), R. Kotak (Univ. of Turku), T. Reynolds (Univ. of Turku), S. Williams (Univ. of Turku), M. Stritzinger (Aarhus Univ.) report/s a classification of object: SN 2020gzy

Type: SN IIP
Redshift: 0.030831

Remarks: The low signal-to-noise spectrum resembles those well-studied Type II SNe obtained during the hydrogen recombination phase.

The following Classification spectrum was provided:

Obsdate: 2020-07-31 22:04:48
Instrument: ALFOSC
Telescope: Nordic Optical Telescope

Remarks: The spectrum exhibits Balmer, Na ID, Ca II, Fe II and Sc II lines, all with P Cygni profiles. The expansion velocity of the ejecta, measured from the position of the P Cygni minimum of Halpha is 4300 km/s, while that inferred for Na ID is 3100 km/s.

Details of the object and its spectra can be viewed here: https://www.wis-tns.org/object/2020gzy