Discovery certificate for object 2019cok
TNS Astronomical Transient Report No. 31740 [ 2019TNSTR.469....1N ]

Date Received (UTC): 2019-03-31 12:58:00
Sender: ZTF (ZTF_AMPEL_NEW)
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 2019cok
Discoverer internal name: ZTF18abfccdl
Coordinates (J2000): RA = 17:57:55.244 (269.480184) DEC = +69:34:25.87 (69.5738514)
Discovery date: 2019-03-31 08:37:03 (JD=2458573.8590741)


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

Photometry

Discovery (first detection):
Discovery date: 2019-03-31 08:37:03
Flux: 19.88 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-03-18 09:27:56
Limiting flux: 19.6895 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/2019cok