Discovery certificate for object 2018arn
TNS Astronomical Transient Report No. 17672 [ 2018TNSTR.464....1D ]

Date Received (UTC): 2018-04-09 12:53:34
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 2018arn
Discoverer internal name: Gaia18avq
Coordinates (J2000): RA = 21:51:57.920 (327.991333) DEC = +21:07:25.39 (21.123719)
Discovery date: 2018-04-03 20:42:43 (JD=2458212.3629977)


Remarks: candidate SN near galaxy SDSS J215158.27+210718.5, GS-TEC predicts SN Ia

Photometry

Discovery (first detection):
Discovery date: 2018-04-03 20:42:43
Flux: 18.88 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-01-22 14:29:45
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/2018arn