Discovery certificate for object 2017ms
TNS Astronomical Transient Report No. 8050 [ 2017TNSTR..87....1X ]

Date Received (UTC): 2017-01-22 03:30:42
Sender: Prof. Xiaofeng Wang
Source Group: PTSS

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

IAU Designation: SN 2017ms
Discoverer internal name: PTSS-17dfc
Coordinates (J2000): RA = 10:26:42.370 (156.676542) DEC = +36:40:50.62 (36.680728)
Discovery date: 2017-01-21 17:02:24 (JD=2457775.21)

Potential host galaxy: SDSS J102641.99+364053.2
Host redshift: 0.0245

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 5.7" east and 2.6" south of the center of SDSS J102641.99+364053.2. The link of the discovery information at: http://www.cneost.org/ptss/findname.php?ptssname=PTSS-17dfc

Photometry

Discovery (first detection):
Discovery date: 2017-01-21 17:02:24
Flux: 16.5 VegaMag
Filter: r-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/2017ms