Discovery certificate for object 2019ayx
TNS Astronomical Transient Report No. 30054 [ 2019TNSTR.257....1D ]

Date Received (UTC): 2019-02-19 11:54:49
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 2019ayx
Discoverer internal name: Gaia19apx
Coordinates (J2000): RA = 18:02:08.480 (270.535333) DEC = -18:29:05.57 (-18.484881)
Discovery date: 2019-02-15 15:24:28.000 (JD=2458530.1419907)


Remarks: 0.3 mag increase on a red source close to the Galactic bulge - candidate microlensing event

Photometry

Discovery (first detection):
Discovery date: 2019-02-15 15:24:28.000
Flux: 18.03 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-08-19 08:19:40
Limiting flux: 21.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft


Details of the new object can be viewed here: https://www.wis-tns.org/object/2019ayx