Discovery certificate for object 2018cdb
TNS Astronomical Transient Report No. 19026 [ 2018TNSTR.734....1W ]

Date Received (UTC): 2018-06-01 15:57:37
Sender: Wenxiong Li
Source Group: TNTS

Rongxin Wang(THU), Wenxiong Li(THU), Tianmeng Zhang (NAOC), Zhijian Xu, Hanjie Tan(CCU),Hao Song(THU), Xiaofeng Wang(THU), Jun Mo(THU),Xu Zhou(NAOC) on behalf of the TNTS report/s the discovery of a new astronomical transient.

IAU Designation: AT 2018cdb
Coordinates (J2000): RA = 13:05:02.490 (196.260375) DEC = +28:44:21.80 (28.739389)
Discovery date: 2018-05-31 12:00:00 (JD=2458270)

Potential host galaxy: 2MASX J13050256+2844204
Host redshift: 0.028

Remarks: This possible supernova was discovered by the 0.6 m schmidt telescope at Xinglong Observatory during the Tsinghua-NAOC Transient Survey (TNTS). The transient is located 0" east and 2" north of the center of 2MASX J13050256+2844204.

Photometry

Discovery (first detection):
Discovery date: 2018-05-31 12:00:00
Flux: 18.9 VegaMag
Filter: Clear-
Instrument: BATC
Telescope: 0.6m Beijing Astronomical Observatory Telescope

Last non-detection:
Archival info: SDSS

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2018cdb