Discovery certificate for object 2020gk
TNS Astronomical Transient Report No. 57787 [ 2020TNSTR..62....1N ]

Date Received (UTC): 2020-01-06 10:10:01
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 2020gk
Discoverer internal name: ZTF18acfrxzs
Coordinates (J2000): RA = 21:19:01.707 (319.75711095) DEC = +25:21:42.19 (25.36171885)
Discovery date: 2020-01-03 02:19:57 (JD=2458851.5971875)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2020-01-03 02:19:57
Flux: 16.46 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-12-19 02:57:07
Limiting flux: 20.1406 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/2020gk