Discovery certificate for object 2018avr
TNS Astronomical Transient Report No. 17811 [ 2018TNSTR.505....1D ]

Date Received (UTC): 2018-04-17 23:24:28
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 2018avr
Discoverer internal name: Gaia18ayw
Coordinates (J2000): RA = 07:49:04.090 (117.267042) DEC = -58:10:02.24 (-58.167289)
Discovery date: 2018-04-16 09:28:48.000 (JD=2458224.895)


Remarks: 0.6 mag brightening, then decline in red Gaia source, possible flare

Photometry

Discovery (first detection):
Discovery date: 2018-04-16 09:28:48.000
Flux: 18.13 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-02-09 11:54:14
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/2018avr