Discovery certificate for object 2020sd
TNS Astronomical Transient Report No. 58503 [ 2020TNSTR.105....1N ]

Date Received (UTC): 2020-01-11 05:20:43
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 2020sd
Discoverer internal name: ZTF18acvcdyd
Coordinates (J2000): RA = 03:26:40.451 (51.6685449) DEC = +05:13:32.85 (5.22579095)
Discovery date: 2020-01-11 02:37:45 (JD=2458859.6095602)


Remarks: See arXiv:1904.05922 for selection criteria.

Photometry

Discovery (first detection):
Discovery date: 2020-01-11 02:37:45
Flux: 17.94 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2020-01-08 04:01:50
Limiting flux: 19.602 ABMag
Filter: r-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/2020sd