Discovery certificate for object 2018hnc
TNS Astronomical Transient Report No. 23702 [ 2018TNSTR1622....1D ]

Date Received (UTC): 2018-10-23 21:12:39
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 2018hnc
Discoverer internal name: Gaia18dcw
Coordinates (J2000): RA = 01:24:57.420 (21.23925) DEC = -43:17:36.35 (-43.293431)
Discovery date: 2018-10-05 01:19:12.000 (JD=2458396.555)


Remarks: blue transit near very faint smudge in DSS

Photometry

Discovery (first detection):
Discovery date: 2018-10-05 01:19:12.000
Flux: 19.28 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-08-10 07:32:09
Limiting flux: 21.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft


Details of the new object can be viewed here: https://www.wis-tns.org/object/2018hnc