Discovery certificate for object 2017ahm
TNS Astronomical Transient Report No. 8663 [ 2017TNSTR.168....1D ]

Date Received (UTC): 2017-02-08 07:51:30
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 2017ahm
Discoverer internal name: Gaia17ahl
Coordinates (J2000): RA = 17:20:12.720 (260.053) DEC = -43:54:01.94 (-43.900539)
Discovery date: 2017-01-29 20:06:43 (JD=2457783.3379977)


Remarks: 0.4 mag brightening of a star in galactic plane, possible microlensing

Photometry

Discovery (first detection):
Discovery date: 2017-01-29 20:06:43
Flux: 18.78 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2016-10-15 16:04:48
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/2017ahm