Discovery certificate for object 2019hdn
TNS Astronomical Transient Report No. 37295 [ 2019TNSTR.968....1D ]

Date Received (UTC): 2019-06-10 10:54:44
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 2019hdn
Discoverer internal name: Gaia19ces
Coordinates (J2000): RA = 09:48:56.770 (147.236542) DEC = +07:27:48.67 (7.463519)
Discovery date: 2019-06-08 23:21:07 (JD=2458643.4729977)


Remarks: 0.8 mag rise on a known z=1.16 QSO.

Photometry

Discovery (first detection):
Discovery date: 2019-06-08 23:21:07
Flux: 18.71 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2019-04-17 11:44:09
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/2019hdn