Discovery certificate for object 2018dcl
TNS Astronomical Transient Report No. 19960 [ 2018TNSTR.917....1D ]

Date Received (UTC): 2018-07-03 21:30:10
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 2018dcl
Discoverer internal name: Gaia18brs
Coordinates (J2000): RA = 18:48:51.010 (282.212542) DEC = +23:12:17.78 (23.204939)
Discovery date: 2018-07-02 05:24:00.000 (JD=2458301.725)


Remarks: long term decline of ~0.4 mags in Gaia source

Photometry

Discovery (first detection):
Discovery date: 2018-07-02 05:24:00.000
Flux: 18.7 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-02-10 09:24:28
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/2018dcl