Discovery certificate for object 2018cok
TNS Astronomical Transient Report No. 19455 [ 2018TNSTR.832....1F ]

Date Received (UTC): 2018-06-16 04:11:45
Sender: ZTF (ZTF_Bot1)
Source Group: ZTF

C. Fremling (Caltech) on behalf of the Zwicky Transient Facility (ZTF) collaboration report/s the discovery of a new astronomical transient.

IAU Designation: AT 2018cok
Discoverer internal name: ZTF18aatzgak
Coordinates (J2000): RA = 17:11:44.087 (257.9336944) DEC = +42:41:42.72 (42.6951997)
Discovery date: 2018-06-09 07:45:07 (JD=2458278.8229977)



Photometry

Discovery (first detection):
Discovery date: 2018-06-09 07:45:07
Flux: 18.85 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2018-06-03 07:24:57
Limiting flux: 20.3 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/2018cok