Discovery certificate for object 2018gil
TNS Astronomical Transient Report No. 22683 [ 2018TNSTR1385....1D ]

Date Received (UTC): 2018-09-15 17:00:02
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 2018gil
Discoverer internal name: Gaia18cqm
Coordinates (J2000): RA = 04:48:43.290 (72.180375) DEC = -12:03:05.69 (-12.051581)
Discovery date: 2018-09-13 12:28:48 (JD=2458375.02)


Remarks: Gaia source brightens by 0.4 mag over 20 months, coincident with GALEXASC J044843.31-120306.5

Photometry

Discovery (first detection):
Discovery date: 2018-09-13 12:28:48
Flux: 18.58 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-08-15 18:40:19
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/2018gil