Discovery certificate for object 2018hml
TNS Astronomical Transient Report No. 23681 [ 2018TNSTR1612....1D ]

Date Received (UTC): 2018-10-21 21:06:15
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 2018hml
Discoverer internal name: Gaia18dch
Coordinates (J2000): RA = 18:54:22.030 (283.591792) DEC = +30:58:25.25 (30.973681)
Discovery date: 2018-10-18 15:18:43 (JD=2458410.1379977)


Remarks: apparently hostless blue transient

Photometry

Discovery (first detection):
Discovery date: 2018-10-18 15:18:43
Flux: 18.41 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-09-12 17:49:55
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/2018hml