Discovery certificate for object 2019bbj
TNS Astronomical Transient Report No. 30128 [ 2019TNSTR.275....1D ]

Date Received (UTC): 2019-02-25 12:04:01
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 2019bbj
Discoverer internal name: Gaia19aqn
Coordinates (J2000): RA = 17:39:08.290 (264.784542) DEC = -34:41:24.97 (-34.690269)
Discovery date: 2019-02-17 03:43:12.000 (JD=2458531.655)


Remarks: 0.8 mag rise in Galactic plane source over 12 months

Photometry

Discovery (first detection):
Discovery date: 2019-02-17 03:43:12.000
Flux: 18.9 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-10-03 08:32:38
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/2019bbj