Discovery certificate for object 2019hwh
TNS Astronomical Transient Report No. 38321 [ 2019TNSTR1048....1D ]

Date Received (UTC): 2019-06-21 09:13:43
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 2019hwh
Discoverer internal name: Gaia19cme
Coordinates (J2000): RA = 23:06:45.550 (346.689792) DEC = -53:51:24.23 (-53.856731)
Discovery date: 2019-06-19 09:11:31 (JD=2458653.8829977)


Remarks: QSO at z=0.3 drops by 1 mag over 2 years

Photometry

Discovery (first detection):
Discovery date: 2019-06-19 09:11:31
Flux: 18.84 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2019-01-17 00:12:57
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/2019hwh