Discovery certificate for object 2018das
TNS Astronomical Transient Report No. 19905 [ 2018TNSTR.913....1D ]

Date Received (UTC): 2018-07-02 10:32:14
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 2018das
Discoverer internal name: Gaia18brj
Coordinates (J2000): RA = 19:10:52.160 (287.717333) DEC = +28:56:24.50 (28.940139)
Discovery date: 2018-06-29 23:28:19.000 (JD=2458299.4779977)


Remarks: more than 1 mag long-term rise on a radio source

Photometry

Discovery (first detection):
Discovery date: 2018-06-29 23:28:19.000
Flux: 18.33 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-03-22 02:54:14
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/2018das