Discovery certificate for object 2019sib
TNS Astronomical Transient Report No. 49081 [ 2019TNSTR2057....1F ]

Date Received (UTC): 2019-10-10 04:37:09
Sender: ZTF (ZTF_Bot1)
Reporting Group: ZTF     Discovery Data Source: 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 2019sib
Discoverer internal name: ZTF19acaxfkb
Coordinates (J2000): RA = 18:54:30.154 (283.6256418) DEC = -16:45:56.49 (-16.7656916)
Discovery date: 2019-09-25 04:53:45.000 (JD=2458751.7039931)



Photometry

Discovery (first detection):
Discovery date: 2019-09-25 04:53:45.000
Flux: 18.93 ABMag
Filter: g-ZTF
Instrument: ZTF-Cam
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2019-09-25 03:07:12
Limiting flux: 19.36 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/2019sib