Discovery certificate for object 2019tnk
TNS Astronomical Transient Report No. 50989 [ 2019TNSTR2207....1N ]

Date Received (UTC): 2019-10-28 11:16:58
Sender: ZTF (ZTF_AMPEL_COMPLETE)
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 2019tnk
Discoverer internal name: ZTF19acjlqun
Coordinates (J2000): RA = 03:56:56.138 (59.233908733333) DEC = +10:20:27.05 (10.340847044444)
Discovery date: 2019-10-22 09:04:12 (JD=2458778.8779167)


Remarks: Known SDSS and/or MILLIQUAS QSO/AGN. . See arXiv:1904.05922 for selection criteria..

Photometry

Discovery (first detection):
Discovery date: 2019-10-22 09:04:12
Flux: 19.24 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-10-22 07:08:45
Limiting flux: 19.9916 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/2019tnk