AstroNote 2020-116

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2020-05-30 15:22:02
Type: Object/s-Discovery/Classification
Spectroscopic classification of AT2020lfn
Authors: L. Izzo, C. Angus, J. Hjorth, C. Gall (DARK/NBI)
Keywords: Supernova
Spectroscopic classification of SN2020lfn as a young (few days from explosion) type II supernova at z=0.044. Spectrum shows narrow Balmer and Helium emission lines, similar to SN1998S.

We report the spectroscopic classification of AT2020lfn.

Observations were performed on the NOT at La Palma on the night of 2020 May 29, using ALFOSC and Grism 4 (3200-9600A, 16A resolution).

The targets were supplied by ALeRCE using the public ZTF stream. Target was also reported in the Transient Name Server (TNS). 

Show current TNS values
CatalogNameReported RAReported DECReported Obj-TypeReported RedshiftHost NameHost RedshiftRemarksTNS RATNS DECTNS Obj-TypeTNS Redshift
TNS2020lfn [ZTF20abccixp]16:26:56.891+20:14:45.30SN II0.044SDSS J162656.94+201447.8Redshift measured from SN emission lines16:26:56.890+20:14:45.20SN II0.044