Discovery certificate for object 2019cos
TNS Astronomical Transient Report No. 31754 [ 2019TNSTR.467....1D ]

Date Received (UTC): 2019-03-31 23:26:54
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 2019cos
Discoverer internal name: Gaia19bdp
Coordinates (J2000): RA = 11:56:13.020 (179.05425) DEC = -59:50:04.24 (-59.834511)
Discovery date: 2019-03-29 04:23:31 (JD=2458571.6829977)


Remarks: Gaia Galactic plane variable source brightens by almost 2 mag and gets bluer

Photometry

Discovery (first detection):
Discovery date: 2019-03-29 04:23:31
Flux: 18.49 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-11-13 08:16:47
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/2019cos