Discovery certificate for object 2019han
TNS Astronomical Transient Report No. 37121 [ 2019TNSTR.948....1D ]

Date Received (UTC): 2019-06-07 09:16:55
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 2019han
Discoverer internal name: Gaia19cdl
Coordinates (J2000): RA = 09:51:47.500 (147.947917) DEC = -33:34:41.23 (-33.578119)
Discovery date: 2019-06-05 22:40:48 (JD=2458640.445)


Remarks: long-term brightening by 0.8 mag over 2 years, QSO candidate

Photometry

Discovery (first detection):
Discovery date: 2019-06-05 22:40:48
Flux: 18.68 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2019-05-01 17:08:09
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/2019han