Discovery certificate for object 2017igr
TNS Astronomical Transient Report No. 14806 [ 2017TNSTR1281....1X ]

Date Received (UTC): 2017-11-19 14:32:59
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 2017igr
Discoverer internal name: PTSS-17zwv
Coordinates (J2000): RA = 04:18:43.550 (64.681458) DEC = +26:55:53.01 (26.931392)
Discovery date: 2017-11-18 14:40:35 (JD=2458076.1115162)

Potential host galaxy: 2MASX J04184380+2655259
Host redshift: 0.025

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 4'' west and 27” north of the centre of 2MASX J04184380+2655259. The link of the discovery information at: http://www.cneost.org/ptss/findname.php?ptssname=PTSS-17zwv

Photometry

Discovery (first detection):
Discovery date: 2017-11-18 14:40:35
Flux: 18.5 VegaMag
Filter: r-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/2017igr