Discovery certificate for object 2018hng
TNS Astronomical Transient Report No. 23711 [ 2018TNSTR1622....1D ]

Date Received (UTC): 2018-10-23 21:23:08
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 2018hng
Discoverer internal name: Gaia18ddf
Coordinates (J2000): RA = 20:56:20.790 (314.086625) DEC = +28:16:08.08 (28.268911)
Discovery date: 2018-10-22 03:02:52 (JD=2458413.6269907)


Remarks: faint Gaia source brightens by 2 mags over 9 months

Photometry

Discovery (first detection):
Discovery date: 2018-10-22 03:02:52
Flux: 18.39 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-09-06 16:23:31
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/2018hng