Discovery certificate for object 2018ctn
TNS Astronomical Transient Report No. 19646 [ 2018TNSTR.872....1F ]

Date Received (UTC): 2018-06-22 01:32:23
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 2018ctn
Discoverer internal name: ZTF18abcfspn
Coordinates (J2000): RA = 20:34:44.446 (308.6851934) DEC = +65:10:04.32 (65.1678671)
Discovery date: 2018-06-21 09:20:09 (JD=2458290.8889931)



Photometry

Discovery (first detection):
Discovery date: 2018-06-21 09:20:09
Flux: 18.76 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2018-06-18 11:15:21
Limiting flux: 20.52 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/2018ctn