Discovery certificate for object 2017by
TNS Astronomical Transient Report No. 7730 [ 2019TNSTR..38....1K ]

Date Received (UTC): 2017-01-07 07:22:02
Date made public: 2019-01-07
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 2017by
Discoverer internal name: iPTF17by
Coordinates (J2000): RA = 08:12:27.760 (123.115668) DEC = +38:22:37.60 (38.377111)
Discovery date: 2017-01-07 06:04:19.000 (JD=2457760.7529977)



Photometry

Discovery (first detection):
Discovery date: 2017-01-07 06:04:19.000
Flux: 19.905 ABMag
Filter: R-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: https://www.wis-tns.org/object/2017by