Discovery certificate for object 2017aas
TNS Astronomical Transient Report No. 8471 [ 2017TNSTR.142....1X ]

Date Received (UTC): 2017-02-02 09:44:49
Sender: Wenxiong Li
Source Group: PTSS

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

IAU Designation: SN 2017aas
Discoverer internal name: PTSS-17dib
Coordinates (J2000): RA = 11:20:29.660 (170.123583) DEC = +34:45:14.34 (34.753983)
Discovery date: 2017-02-01 20:27:01 (JD=2457786.3520949)

Potential host galaxy: SDSS J112029.65+344514.1

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 0" east and 0" south of the center of SDSS J112029.65+344514.1.

Photometry

Discovery (first detection):
Discovery date: 2017-02-01 20:27:01
Flux: 18.2 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/2017aas