Discovery certificate for object 2019sbk
TNS Astronomical Transient Report No. 48795 [ 2019TNSTR2007....1K ]

Date Received (UTC): 2019-10-06 22:22:15
Sender: Dr. Paul Kuin
Reporting Group: None     Discovery Data Source: None

Paul Kuin report/s the discovery of a new astronomical transient.

IAU Designation: AT 2019sbk
Discoverer internal name: Swift J2247181-581450
Coordinates (J2000): RA = 22:47:18.100 (341.825417) DEC = -58:14:50.80 (-58.247444)
Discovery date: 2019-10-01 07:19:41 (JD=2458757.8053356)

Potential host galaxy: 2MASX J22471856-5814422
Host redshift: 0.054

Remarks: Possibly associated with GW190930. Detected by Swift UVOT.

Photometry

Discovery (first detection):
Discovery date: 2019-10-01 07:19:41
Flux: 18.76 VegaMag
Filter: U-Swift-UVOT
Instrument: UVOT-Imager
Telescope: UV/Optical Telescope on Swift

Last non-detection:
Archival info: DSS
Remarks: No Source visible at edge of galaxy in DSS

Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2019sbk