Discovery certificate for object 2018hiw
TNS Astronomical Transient Report No. 23556 [ 2018TNSTR1575....1D ]

Date Received (UTC): 2018-10-14 22:58:42
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 2018hiw
Discoverer internal name: Gaia18dag
Coordinates (J2000): RA = 18:58:09.530 (284.539708) DEC = +03:00:46.04 (3.012789)
Discovery date: 2018-10-13 02:55:40.000 (JD=2458404.6219907)


Remarks: long term increase in brightness in Gaia source

Photometry

Discovery (first detection):
Discovery date: 2018-10-13 02:55:40.000
Flux: 17.6 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-09-06 03:43:12
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/2018hiw