Discovery certificate for object 2017ejc
TNS Astronomical Transient Report No. 11753 [ 2017TNSTR.608....1L ]

Date Received (UTC): 2017-05-29 01:03:24
Sender: Prof. Xiaofeng Wang
Source Group: PTSS

B Li (PMO), W Li, X Wang (THU), H Tan(CCU), Z Xu, H Zhao(PMO), L Wang(PMO/TAMU), Z Yang (THU), J Zhang (YNAO) report/s the discovery of a new astronomical transient.

IAU Designation: AT 2017ejc
Discoverer internal name: PTSS-17syx
Coordinates (J2000): RA = 10:25:14.230 (156.309292) DEC = +09:37:56.96 (9.632489)
Discovery date: 2017-05-28 12:28:48 (JD=2457902.02)

Potential host galaxy: SDSS J102513.56+093759.6
Host redshift: 0.04886

Remarks: This possible supernova was discovered by the 1.04 m schmidt telescope at Xuyi Observatory during the PMO-Tsinghua Transient Survey (PTSS). The transient is located 10.1" east and 2.7" south of the center of SDSS J102513.56+093759.6. The link of the discovery information at: http://www.cneost.org/ptss/findname.php?ptssname=PTSS-17syx

Photometry

Discovery (first detection):
Discovery date: 2017-05-28 12:28:48
Flux: 18.6 VegaMag
Filter: i-Sloan
Instrument: STA1600
Telescope: Chinese Near Earth Object Survey Telescope

Last non-detection:
Archival info: DSS

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