Discovery certificate for object 2017ys
TNS Astronomical Transient Report No. 8415 [ 2019TNSTR.174....1K ]

Date Received (UTC): 2017-01-31 12:06:00
Date made public: 2019-01-31
Sender: iPTF (iPTF_Bot1)
Source Group: iPTF

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

IAU Designation: AT 2017ys
Discoverer internal name: iPTF17ys
Coordinates (J2000): RA = 10:32:00.205 (158.000854) DEC = +67:27:20.70 (67.45575)
Discovery date: 2017-01-31 10:04:48 (JD=2457784.92)



Photometry

Discovery (first detection):
Discovery date: 2017-01-31 10:04:48
Flux: 20.916 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: https://wis-tns.weizmann.ac.il/object/2017ys