Discovery certificate for object 2018hdd
TNS Astronomical Transient Report No. 23369 [ 2018TNSTR1522....1D ]

Date Received (UTC): 2018-10-07 00:55:29
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 2018hdd
Discoverer internal name: Gaia18cwx
Coordinates (J2000): RA = 17:24:04.470 (261.018625) DEC = -23:18:41.80 (-23.311611)
Discovery date: 2018-10-04 08:44:09 (JD=2458395.8639931)


Remarks: 3.5 mag blue outburst on faint Gaia source, candidate CV

Photometry

Discovery (first detection):
Discovery date: 2018-10-04 08:44:09
Flux: 16.47 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-09-05 10:52:19
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/2018hdd