Discovery certificate for object 2019hdy
TNS Astronomical Transient Report No. 37312 [ 2019TNSTR.968....1D ]

Date Received (UTC): 2019-06-10 11:01:38
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 2019hdy
Discoverer internal name: Gaia19cff
Coordinates (J2000): RA = 09:29:50.820 (142.46175) DEC = +19:29:34.84 (19.493011)
Discovery date: 2019-06-08 23:32:38 (JD=2458643.4809954)


Remarks: long term brightening of a known z=0.44 QSO

Photometry

Discovery (first detection):
Discovery date: 2019-06-08 23:32:38
Flux: 17.99 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-10-23 16:07:40
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/2019hdy