Discovery certificate for object 2019koj
TNS Astronomical Transient Report No. 40940 [ 2019TNSTR1156....1N ]

Date Received (UTC): 2019-07-05 13:43:46
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 2019koj
Discoverer internal name: ZTF19abdspim
Coordinates (J2000): RA = 10:29:56.635 (157.4859807) DEC = +58:59:38.84 (58.9941209)
Discovery date: 2019-06-28 04:27:12.000 (JD=2458662.6855556)

Remarks: See arXiv:1904.05922 for selection criteria.


Discovery (first detection):
Discovery date: 2019-06-28 04:27:12.000
Flux: 19.56 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-06-20 05:40:19
Limiting flux: 19.5512 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: