Discovery certificate for object 2018hfd
TNS Astronomical Transient Report No. 23431 [ 2018TNSTR1534....1D ]

Date Received (UTC): 2018-10-09 16:34:14
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 2018hfd
Discoverer internal name: Gaia18cyi
Coordinates (J2000): RA = 20:13:14.730 (303.311375) DEC = -39:55:20.24 (-39.922289)
Discovery date: 2018-10-07 02:13:55 (JD=2458398.5929977)


Remarks: apparently hostless blue transient

Photometry

Discovery (first detection):
Discovery date: 2018-10-07 02:13:55
Flux: 18.51 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-05-27 19:56:38
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/2018hfd