Discovery certificate for object 2017jer
TNS Astronomical Transient Report No. 15553 [ 2017TNSTR1482....1X ]

Date Received (UTC): 2017-12-27 14:38:53
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: AT 2017jer
Discoverer internal name: PTSS-17bcim
Coordinates (J2000): RA = 10:31:22.240 (157.842667) DEC = +13:06:38.37 (13.110658)
Discovery date: 2017-12-21 20:23:17 (JD=2458109.3495023)

Potential host galaxy: SDSS J103122.19+130637.6

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 SDSS J103122.19+130637.6 .The link of the discovery information at: http://www.cneost.org/ptss/findname.php?ptssname=PTSS-17bcim

Photometry

Discovery (first detection):
Discovery date: 2017-12-21 20:23:17
Flux: 19.4 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/2017jer