Discovery certificate for object 2019bfd
TNS Astronomical Transient Report No. 30246 [ 2019TNSTR.290....1D ]

Date Received (UTC): 2019-02-27 09:57:47
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 2019bfd
Discoverer internal name: Gaia19ash
Coordinates (J2000): RA = 07:58:08.470 (119.535292) DEC = -57:22:42.49 (-57.378469)
Discovery date: 2019-02-22 01:00:28 (JD=2458536.5419907)


Remarks: likely CV ASASSN-15sp brightens by >4 mag

Photometry

Discovery (first detection):
Discovery date: 2019-02-22 01:00:28
Flux: 15.31 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2019-01-23 01:14:52
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/2019bfd