Discovery certificate for object 2018ark
TNS Astronomical Transient Report No. 17669 [ 2018TNSTR.464....1D ]

Date Received (UTC): 2018-04-09 12:50:49
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 2018ark
Discoverer internal name: Gaia18avn
Coordinates (J2000): RA = 07:39:46.860 (114.94525) DEC = +41:43:31.44 (41.7254)
Discovery date: 2018-04-03 23:12:28 (JD=2458212.4669907)


Remarks: candidate SN declining near galaxy 2MASX J07394706+4143299

Photometry

Discovery (first detection):
Discovery date: 2018-04-03 23:12:28
Flux: 18.38 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-11-15 05:32:38
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/2018ark