Discovery certificate for object 2018arr
TNS Astronomical Transient Report No. 17676 [ 2018TNSTR.464....1D ]

Date Received (UTC): 2018-04-09 12:58:46
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 2018arr
Discoverer internal name: Gaia18avu
Coordinates (J2000): RA = 20:55:49.930 (313.958042) DEC = -10:28:10.24 (-10.469511)
Discovery date: 2018-04-04 01:32:09 (JD=2458212.5639931)


Remarks: candidate SN declining near galaxy 2MASX J20555028-1028090

Photometry

Discovery (first detection):
Discovery date: 2018-04-04 01:32:09
Flux: 18.43 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-10-26 15:05:45
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/2018arr