Discovery certificate for object 2017him
TNS Astronomical Transient Report No. 14106 [ 2017TNSTR1112....1X ]

Date Received (UTC): 2017-10-13 10:07:32
Sender: Wenxiong Li
Source Group: PTSS

Zhijian Xu, Wenxiong Li(THU), Bin Li (PMO), Zhitong Li(THU), Xiaofeng Wang (THU), Hanjie Tan (CCU), Haibin Zhao, Lifan Wang (PMO), Jujia Zhang (YNAO) report/s the discovery of a new astronomical transient.

IAU Designation: SN 2017him
Discoverer internal name: PTSS-17xqa
Coordinates (J2000): RA = 03:57:45.540 (59.43975) DEC = +15:55:51.94 (15.931094)
Discovery date: 2017-10-12 18:13:18 (JD=2458039.2592361)

Potential host galaxy: SDSS J035745.50+155551.5

Remarks: This supernova was discovered by the 1.04m Schmidt telescope at Xuyi Observatory during the PMO-Tsinghua Transient Survey(PTSS).The transient is located 1'' east and 0” south of the centre of SDSS J035745.50+155551.5 . The link of the discovery information at: http://www.cneost.org/ptss/findname.php?ptssname=PTSS-17xqa

Photometry

Discovery (first detection):
Discovery date: 2017-10-12 18:13:18
Flux: 19.2 VegaMag
Filter: i-Sloan
Instrument: STA1600
Telescope: Chinese Near Earth Object Survey Telescope

Last non-detection:
Archival info: SDSS

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2017him