Discovery certificate for object 2019ddb
TNS Astronomical Transient Report No. 32646 [ 2019TNSTR.530....1D ]

Date Received (UTC): 2019-04-09 10:38:08
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 2019ddb
Discoverer internal name: Gaia19bgg
Coordinates (J2000): RA = 20:17:32.200 (304.384167) DEC = +25:11:57.19 (25.199219)
Discovery date: 2019-04-06 09:57:36 (JD=2458579.915)


Remarks: Gaia source dims by 2 mags, close to X-ray source 1RXS J201731.9+251154, candidate CV

Photometry

Discovery (first detection):
Discovery date: 2019-04-06 09:57:36
Flux: 19.02 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-11-16 02:47:02
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/2019ddb