Discovery certificate for object 2019iaa
TNS Astronomical Transient Report No. 38476 [ 2019TNSTR1058....1D ]

Date Received (UTC): 2019-06-23 23:53:22
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 2019iaa
Discoverer internal name: Gaia19con
Coordinates (J2000): RA = 12:14:01.290 (183.505375) DEC = +58:50:47.26 (58.846461)
Discovery date: 2019-06-22 18:08:38 (JD=2458657.2559954)


Remarks: long-term decrease and increase in brightness of known QSO

Photometry

Discovery (first detection):
Discovery date: 2019-06-22 18:08:38
Flux: 18.76 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2019-05-21 20:15:21
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/2019iaa