Discovery certificate for object 2018hbx
TNS Astronomical Transient Report No. 23333 [ 2018TNSTR1504....1D ]

Date Received (UTC): 2018-10-04 15:14:12
Sender: Gaia (Gaia_Bot1)
Source Group: GaiaAlerts

A. Delgado, D. Harrison, S. Hodgkin, M. van Leeuwen, G. Rixon, A. Yoldas (University of Cambridge), on behalf of Gaia Alerts team report/s the discovery of a new astronomical transient.

IAU Designation: AT 2018hbx
Discoverer internal name: Gaia18cwj
Coordinates (J2000): RA = 21:27:45.180 (321.93825) DEC = -57:45:29.05 (-57.758069)
Discovery date: 2018-10-03 13:53:45 (JD=2458395.0789931)


Remarks: known BL Lac PMN J2127-5745 brightens by 0.8 mag

Photometry

Discovery (first detection):
Discovery date: 2018-10-03 13:53:45
Flux: 17.55 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-05-08 09:57:36
Limiting flux: 21.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft


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