Discovery certificate for object 2020sm
TNS Astronomical Transient Report No. 58522 [ 2020TNSTR.105....1N ]

Date Received (UTC): 2020-01-11 12:20:47
Sender: ZTF (ZTF_AMPEL_NEW)
Reporting Group: ZTF     Discovery Data Source: ZTF

J. Nordin, V. Brinnel, M. Giomi, J. van Santen (HU Berlin), A. Gal-Yam, O. Yaron, S. Schulze (Weizmann) on behalf of ZTF report/s the discovery of a new astronomical transient.

IAU Designation: AT 2020sm
Discoverer internal name: ZTF20aaddgyj
Coordinates (J2000): RA = 12:49:48.166 (192.4506926) DEC = +44:54:03.38 (44.900938433333)
Discovery date: 2020-01-07 13:16:14 (JD=2458856.0529398)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2020-01-07 13:16:14
Flux: 19.5 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-01-07 12:10:08
Limiting flux: 20.5083 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2020sm