Discovery certificate for object 2019cko
TNS Astronomical Transient Report No. 31570 [ 2019TNSTR.454....1N ]

Date Received (UTC): 2019-03-27 08:10:22
Sender: ZTF (ZTF_AMPEL_COMPLETE)
Source Group: 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 2019cko
Discoverer internal name: ZTF18acvibut
Coordinates (J2000): RA = 15:05:45.439 (226.4393273) DEC = +14:23:25.74 (14.3904821)
Discovery date: 2019-01-04 13:09:31 (JD=2458488.0482755)


Remarks: Known SDSS and/or MILLIQUAS QSO/AGN.

Photometry

Discovery (first detection):
Discovery date: 2019-01-04 13:09:31
Flux: 20.06 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Archival info: Other
Remarks: ZTF non-detection limits not available

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2019cko