Discovery certificate for object 2019dnf
TNS Astronomical Transient Report No. 33132 [ 2019TNSTR.577....1D ]

Date Received (UTC): 2019-04-15 10:42:49
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 2019dnf
Discoverer internal name: Gaia19bis
Coordinates (J2000): RA = 17:24:43.310 (261.180458) DEC = -45:45:02.48 (-45.750689)
Discovery date: 2019-04-10 23:28:19 (JD=2458584.4779977)


Remarks: long-term decline of 1.5 mags in Gaia source

Photometry

Discovery (first detection):
Discovery date: 2019-04-10 23:28:19
Flux: 18.95 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2019-02-18 03:56:09
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/2019dnf