Discovery certificate for object 2019hac
TNS Astronomical Transient Report No. 37105 [ 2019TNSTR.941....1D ]

Date Received (UTC): 2019-06-06 16:53:40
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 2019hac
Discoverer internal name: Gaia19cdh
Coordinates (J2000): RA = 08:37:03.290 (129.263708) DEC = +25:08:15.29 (25.137581)
Discovery date: 2019-06-05 11:36:57 (JD=2458639.9839931)


Remarks: 0.6 mag rise in QSO over ~3 years

Photometry

Discovery (first detection):
Discovery date: 2019-06-05 11:36:57
Flux: 17.92 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2019-05-17 23:32:38
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/2019hac