Discovery certificate for object 2019alt
TNS Astronomical Transient Report No. 29570 [ 2019TNSTR.201....1D ]

Date Received (UTC): 2019-02-04 10:31:10
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 2019alt
Discoverer internal name: Gaia19alc
Coordinates (J2000): RA = 23:43:42.750 (355.928125) DEC = +15:43:02.96 (15.717489)
Discovery date: 2019-02-02 09:11:31.000 (JD=2458516.8829977)


Remarks: QSO [VV2006] J234342.7+154302 brightens by >1 mag

Photometry

Discovery (first detection):
Discovery date: 2019-02-02 09:11:31.000
Flux: 18.14 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-01-23 20:05:16
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/2019alt