Discovery certificate for object 2019hky
TNS Astronomical Transient Report No. 37677 [ 2019TNSTR.997....1D ]

Date Received (UTC): 2019-06-13 10:44:17
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 2019hky
Discoverer internal name: Gaia19cgl
Coordinates (J2000): RA = 21:19:27.520 (319.864667) DEC = -40:02:20.18 (-40.038939)
Discovery date: 2019-06-11 03:02:52 (JD=2458645.6269907)


Remarks: source coincident with UV source GALEXASC J211927.50-400219.1 brightens by 0.6 mag over 18 months

Photometry

Discovery (first detection):
Discovery date: 2019-06-11 03:02:52
Flux: 18.77 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-10-08 09:51:50
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/2019hky