Discovery certificate for object 2017ahl
TNS Astronomical Transient Report No. 8662 [ 2017TNSTR.168....1D ]

Date Received (UTC): 2017-02-08 07:47:48
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 2017ahl
Discoverer internal name: Gaia17ahk
Coordinates (J2000): RA = 17:13:34.850 (258.395208) DEC = -39:00:05.04 (-39.0014)
Discovery date: 2017-01-29 00:15:50 (JD=2457782.5109954)


Remarks: brightening of a star in galactic plane, possible microlensing

Photometry

Discovery (first detection):
Discovery date: 2017-01-29 00:15:50
Flux: 18.01 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2016-10-17 05:52:48
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/2017ahl