Discovery certificate for object 2017dgi
TNS Astronomical Transient Report No. 10925 [ 2017TNSTR.466....1T ]

Date Received (UTC): 2017-04-23 00:22:40
Sender: Wenxiong Li
Source Group: PTSS

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

IAU Designation: SN 2017dgi
Discoverer internal name: PTSS-17qjg
Coordinates (J2000): RA = 10:12:15.700 (153.065417) DEC = -05:54:08.99 (-5.902497)
Discovery date: 2017-04-22 11:59:49 (JD=2457865.9998727)

Potential host galaxy: LCRS B100946.0-053912
Host redshift: 0.054

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" west and 4" south of the center of LCRS B100946.0-053912

Photometry

Discovery (first detection):
Discovery date: 2017-04-22 11:59:49
Flux: 18.1 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/2017dgi