Discovery certificate for object 2018gtc
TNS Astronomical Transient Report No. 23029 [ 2018TNSTR1436....1F ]

Date Received (UTC): 2018-09-23 04:45:37
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 2018gtc
Discoverer internal name: ZTF18abygdtf
Coordinates (J2000): RA = 20:49:29.471 (312.3727978) DEC = +55:05:17.58 (55.0882163)
Discovery date: 2018-08-31 05:19:40 (JD=2458361.7219907)


Discovery (first detection):
Discovery date: 2018-08-31 05:19:40
Flux: 20.55 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2018-08-30 06:53:16
Limiting flux: 20.34 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: