Discovery certificate for object 2018bhb
TNS Astronomical Transient Report No. 18226 [ 2018TNSTR.600....1L ]

Date Received (UTC): 2018-05-08 23:26:28
Sender: Wenxiong Li
Source Group: PTSS

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

IAU Designation: SN 2018bhb
Discoverer internal name: PTSS-18ecg
Coordinates (J2000): RA = 15:27:25.220 (231.855083) DEC = -00:26:52.41 (-0.447892)
Discovery date: 2018-05-08 17:15:21 (JD=2458247.2189931)

Potential host galaxy: CGCG 021-098
Host redshift: 0.053

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 6'' east and 13” north of the centre of CGCG 021-098.The link of the discovery information at: http://www.cneost.org/ptss2/findname.php?ptssname=PTSS-18ecg

Photometry

Discovery (first detection):
Discovery date: 2018-05-08 17:15:21
Flux: 17.9 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/2018bhb