AstroNote 2020-185

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DRAFT
2020-09-26 04:45:34
Type: Object/s-Discovery/Classification
Classification of SN 2020udy (ZTF20acdqjeq) as a young Type Iax (02cx-like) supernovae
Authors: Jakob Nordin (Humboldt Universität zu Berlin), Kate Maguire (Trinity College Dublin), Adam Miller (Northwestern University), Daniel Perley (Liverpool John Moores University), Steve Schulze (Weizmann Institute of Science), Jesper Sollerman (Stockholm University), Yi Yang (Weizmann Institute of Science)
Source Group: ZTF
Abstract:
We classify SN 2020udy in NGC 0812 (z=0.017222) as a young Type Iax supernova using spectra from the Palomar 60-inch and the Gemini North telescopes.

AT2020udy (ZTF20acdqjeq) was first discovered 2020-09-24 08:23:42.720 at r=19.63 in the vicinity of NGC 0812 (z=0.017222), and had ~1 day later brightened to g=18.67. Deep ZTF non-detections exist from 2020-09-23.

A spectrum taken with the 60-inch Telescope (SEDM) at Palomar Observatory shows a low velocity SNIa-spectrum similar to SN2002cx-like supernovae. These features were confirmed through Gemini North. The visual classification matches SNID (Blondin & Tonry 2007, 2007ApJ...666.1024B) template comparisons, which show good agreement with SN 2005hk at phase -8 (days).

Swift observations of SN 2020udy have been initiated. We encourage further follow-up.

Show current TNS values
CatalogNameReported RAReported DECReported Obj-TypeReported RedshiftHost NameHost RedshiftRemarksTNS RATNS DECTNS Obj-TypeTNS Redshift
TNS2005hk00:27:50.870-01:11:52.51SN Ia-pecUGC 27200:27:50.870-01:11:52.51SN Ia-pec
TNS2002cx13:13:49.721+06:57:31.90SN Ia-pecAnon.13:13:49.721+06:57:31.90SN Ia-pec
TNS2020udy02:06:49.343+44:35:15.28SN Iax[02cx-like]0.01722202:06:49.343+44:35:15.30SN Iax[02cx-like]0.017222