Discovery certificate for object 2018esi
TNS Astronomical Transient Report No. 21330 [ 2018TNSTR1118....1D ]

Date Received (UTC): 2018-08-07 11:51:03
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 2018esi
Discoverer internal name: Gaia18cav
Coordinates (J2000): RA = 01:32:43.490 (23.181208) DEC = -16:54:48.53 (-16.913481)
Discovery date: 2018-08-05 08:49:55 (JD=2458335.8679977)


Remarks: Gaia source coincident with a known blazar (QSO B0130-17) brightens by more than 1 mag

Photometry

Discovery (first detection):
Discovery date: 2018-08-05 08:49:55
Flux: 16.74 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-07-25 07:39:21
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/2018esi