Discovery certificate for object 2017ghm
TNS Astronomical Transient Report No. 13246 [ 2017TNSTR.914....1X ]

Date Received (UTC): 2017-08-25 11:06:34
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 2017ghm
Discoverer internal name: PTSS-17uym
Coordinates (J2000): RA = 18:11:46.200 (272.9425) DEC = +00:51:28.66 (0.857961)
Discovery date: 2017-08-22 12:15:53 (JD=2457988.0110301)


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 1.0'' east and 0''north of the centre of an anonymous galaxy. The link of the discovery information at: http://www.cneost.org/ptss/findname.php?ptssname=PTSS-17uym

Photometry

Discovery (first detection):
Discovery date: 2017-08-22 12:15:53
Flux: 18.4 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/2017ghm