Discovery certificate for object 2019cow
TNS Astronomical Transient Report No. 31758 [ 2019TNSTR.467....1D ]

Date Received (UTC): 2019-03-31 23:30:09
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 2019cow
Discoverer internal name: Gaia19bdt
Coordinates (J2000): RA = 09:07:38.070 (136.908625) DEC = -60:40:53.00 (-60.681389)
Discovery date: 2019-03-29 10:43:40 (JD=2458571.9469907)


Remarks: 3.5 mag rise on a blue star near the galactic plane, previous outburst seen, candidate CV

Photometry

Discovery (first detection):
Discovery date: 2019-03-29 10:43:40
Flux: 16.46 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2019-02-20 00:53:16
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/2019cow