Discovery certificate for object 2018sa
TNS Astronomical Transient Report No. 16867 [ 2018TNSTR.199....1D ]

Date Received (UTC): 2018-02-12 10:57:02
Sender: Gaia (Gaia_Bot1)
Reporting Group: GaiaAlerts     Discovery Data Source: 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 2018sa
Discoverer internal name: Gaia18aje
Coordinates (J2000): RA = 16:37:35.950 (249.399792) DEC = -45:59:32.53 (-45.992369)
Discovery date: 2018-02-06 08:51:21 (JD=2458155.8689931)


Remarks: Red Galactic plane source brightens by 2.8 mags, microlensing candidate

Photometry

Discovery (first detection):
Discovery date: 2018-02-06 08:51:21
Flux: 17.74 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-08-18 07:43:40
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/2018sa