Discovery certificate for object 2018gtb
TNS Astronomical Transient Report No. 23028 [ 2018TNSTR1436....1F ]

Date Received (UTC): 2018-09-23 04:45:19
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 2018gtb
Discoverer internal name: ZTF18abxznky
Coordinates (J2000): RA = 23:09:38.028 (347.4084486) DEC = +37:07:14.94 (37.1208155)
Discovery date: 2018-09-21 07:43:40 (JD=2458382.8219907)



Photometry

Discovery (first detection):
Discovery date: 2018-09-21 07:43:40
Flux: 16.97 ABMag
Filter: r-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2018-09-18 08:11:02
Limiting flux: 20.78 ABMag
Filter: g-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/2018gtb