Discovery certificate for object 2019aar
TNS Astronomical Transient Report No. 29171 [ 2019TNSTR.135....1D ]

Date Received (UTC): 2019-01-24 20:16:53
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 2019aar
Discoverer internal name: Gaia19aha
Coordinates (J2000): RA = 20:39:26.460 (309.86025) DEC = +58:53:57.01 (58.899169)
Discovery date: 2019-01-21 16:06:14 (JD=2458505.1709954)


Remarks: blue hostless transient

Photometry

Discovery (first detection):
Discovery date: 2019-01-21 16:06:14
Flux: 18.47 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-12-22 16:27:50
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/2019aar