Discovery certificate for object 2018hdt
TNS Astronomical Transient Report No. 23388 [ 2018TNSTR1529....1D ]

Date Received (UTC): 2018-10-08 16:18:36
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 2018hdt
Discoverer internal name: Gaia18cxd
Coordinates (J2000): RA = 12:20:03.890 (185.016208) DEC = +48:36:07.60 (48.602111)
Discovery date: 2018-10-05 12:08:38 (JD=2458397.0059954)


Remarks: candidate SN near galaxy SDSS J122003.90+483607.0

Photometry

Discovery (first detection):
Discovery date: 2018-10-05 12:08:38
Flux: 18.61 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-08-08 06:18:43
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/2018hdt