Discovery certificate for object 2016hal
TNS Astronomical Transient Report No. 5853 [ 2016TNSTR.776....1D ]

Date Received (UTC): 2016-10-09 20:48:41
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 2016hal
Discoverer internal name: Gaia16bmg
Coordinates (J2000): RA = 23:06:37.950 (346.658125) DEC = +61:00:23.26 (61.006461)
Discovery date: 2016-10-07 18:15:50 (JD=2457669.2609954)


Remarks: 1.5 mag decline in red source

Photometry

Discovery (first detection):
Discovery date: 2016-10-07 18:15:50
Flux: 19.76 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2016-08-03 19:29:16
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/2016hal