Discovery certificate for object 2018enn
TNS Astronomical Transient Report No. 21171 [ 2018TNSTR1083....1D ]

Date Received (UTC): 2018-08-03 13:15:40
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 2018enn
Discoverer internal name: Gaia18byq
Coordinates (J2000): RA = 00:19:47.670 (4.948625) DEC = -17:05:45.06 (-17.09585)
Discovery date: 2018-07-30 19:07:40 (JD=2458330.2969907)


Remarks: long-term decline of Gaia source of over ~1 mag

Photometry

Discovery (first detection):
Discovery date: 2018-07-30 19:07:40
Flux: 21.11 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-07-10 02:47:02
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/2018enn