Discovery certificate for object 2018hnl
TNS Astronomical Transient Report No. 23716 [ 2018TNSTR1630....1D ]

Date Received (UTC): 2018-10-24 09:54:21
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: SN 2018hnl
Discoverer internal name: Gaia18ddj
Coordinates (J2000): RA = 10:30:03.920 (157.516333) DEC = -03:11:08.88 (-3.1858)
Discovery date: 2018-10-22 19:07:40 (JD=2458414.2969907)


Remarks: hostless blue transient

Photometry

Discovery (first detection):
Discovery date: 2018-10-22 19:07:40
Flux: 18.1 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-07-18 17:09:36
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/2018hnl