Discovery certificate for object 2018hko
TNS Astronomical Transient Report No. 23613 [ 2018TNSTR1583....1D ]

Date Received (UTC): 2018-10-15 22:57:24
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 2018hko
Discoverer internal name: Gaia18dau
Coordinates (J2000): RA = 21:42:15.930 (325.566375) DEC = -25:51:26.57 (-25.857381)
Discovery date: 2018-10-12 20:11:02 (JD=2458404.3409954)


Remarks: long term brightness of ~1.5 mags in QSO Gaia DR2 6811519442251197056

Photometry

Discovery (first detection):
Discovery date: 2018-10-12 20:11:02
Flux: 18.59 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-04-15 14:36:57
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/2018hko