Discovery certificate for object 2018hre
TNS Astronomical Transient Report No. 23842 [ 2018TNSTR1655....1D ]

Date Received (UTC): 2018-10-31 15:15:47
Sender: Gaia (Gaia_Bot1)
Reporting Group: GaiaAlerts     Discovery Data Source: 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 2018hre
Discoverer internal name: Gaia18dfw
Coordinates (J2000): RA = 23:30:35.790 (352.649125) DEC = -37:24:37.94 (-37.410539)
Discovery date: 2018-10-30 03:38:52 (JD=2458421.6519907)


Remarks: known BL Lac 3FGL J2330.4-3726 brightens by >1 mag in ~20 days

Photometry

Discovery (first detection):
Discovery date: 2018-10-30 03:38:52
Flux: 17.51 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-10-11 19:46:33
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/2018hre