Discovery certificate for object 2019fsx
TNS Astronomical Transient Report No. 35608 [ 2019TNSTR.829....1D ]

Date Received (UTC): 2019-05-22 11:36:53
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 2019fsx
Discoverer internal name: Gaia19bwo
Coordinates (J2000): RA = 23:18:48.560 (349.702333) DEC = -54:13:19.38 (-54.22205)
Discovery date: 2019-04-23 23:15:21 (JD=2458597.4689931)


Remarks: faint Gaia source in footprint of GW event S190521g brightens by more than 1.5 mags.

Photometry

Discovery (first detection):
Discovery date: 2019-04-23 23:15:21
Flux: 19.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2019-03-13 00:23:02
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/2019fsx