Discovery certificate for object 2019gys
TNS Astronomical Transient Report No. 37056 [ 2019TNSTR.935....1D ]

Date Received (UTC): 2019-06-05 15:25:38
Sender: Gaia (Gaia_Bot1)
Reporting Group: GaiaAlerts     Discovery Data Source: 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 2019gys
Discoverer internal name: Gaia19ccl
Coordinates (J2000): RA = 20:43:15.020 (310.812583) DEC = -02:58:17.29 (-2.971469)
Discovery date: 2019-06-04 04:09:07.000 (JD=2458638.6729977)


Remarks: 0.1 mag rise over 1 year on otherwise constant bright star - candidate microlensing event

Photometry

Discovery (first detection):
Discovery date: 2019-06-04 04:09:07.000
Flux: 15.46 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-10-15 22:23:31
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/2019gys