Discovery certificate for object 2017ws
TNS Astronomical Transient Report No. 8359 [ 2019TNSTR.163....1K ]

Date Received (UTC): 2017-01-29 09:49:21
Date made public: 2019-01-29
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 2017ws
Discoverer internal name: iPTF17ws
Coordinates (J2000): RA = 07:13:12.188 (108.300784) DEC = +47:44:11.94 (47.73665)
Discovery date: 2017-01-29 08:16:47 (JD=2457782.8449884)



Photometry

Discovery (first detection):
Discovery date: 2017-01-29 08:16:47
Flux: 19.2104 ABMag
Filter: I-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/2017ws