Discovery certificate for object 2019ace
TNS Astronomical Transient Report No. 29218 [ 2019TNSTR.139....1D ]

Date Received (UTC): 2019-01-25 14:38:08
Sender: Gaia (Gaia_Bot1)
Source Group: 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 2019ace
Discoverer internal name: Gaia19ahn
Coordinates (J2000): RA = 21:54:33.720 (328.6405) DEC = +32:26:45.42 (32.44595)
Discovery date: 2019-01-23 01:49:26 (JD=2458506.5759954)


Remarks: blue source brightens by 0.4 mag over 6 months

Photometry

Discovery (first detection):
Discovery date: 2019-01-23 01:49:26
Flux: 18.89 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-12-16 10:06:14
Limiting flux: 21.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft


Details of the new object can be viewed here: https://wis-tns.weizmann.ac.il/object/2019ace