Discovery certificate for object 2017zi
TNS Astronomical Transient Report No. 8431 [ 2019TNSTR.174....1K ]

Date Received (UTC): 2017-01-31 21:42:53
Date made public: 2019-01-31
Sender: iPTF (iPTF_Bot1)
Reporting Group: iPTF     Discovery Data Source: iPTF

M. Kasliwal, Y. Cao (Caltech), on behalf of iPTF report/s the discovery of a new astronomical transient.

IAU Designation: AT 2017zi
Discoverer internal name: iPTF17zi
Coordinates (J2000): RA = 11:30:08.454 (172.535225) DEC = +54:02:49.04 (54.046956)
Discovery date: 2017-01-31 10:40:48.000 (JD=2457784.945)


Discovery (first detection):
Discovery date: 2017-01-31 10:40:48.000
Flux: 19.677 ABMag
Filter: g-PTF
Instrument: CFH12k
Telescope: Palomar 1.2m Oschin

Last non-detection:
Last non-detection date: 2009-01-01 00:00:00
Limiting flux: 21.5 ABMag
Filter: R-PTF
Instrument: CFH12k
Telescope: Palomar 1.2m Oschin

Details of the new object can be viewed here: