Discovery certificate for object 2018chv
TNS Astronomical Transient Report No. 19205 [ 2018TNSTR.780....1D ]

Date Received (UTC): 2018-06-08 10:39:19
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 2018chv
Discoverer internal name: Gaia18blo
Coordinates (J2000): RA = 13:11:50.550 (197.960625) DEC = -37:30:49.43 (-37.513731)
Discovery date: 2018-06-05 21:25:55 (JD=2458275.3929977)


Remarks: Smooth, 1 year long increase by 0.5 mag. Possible microlensing event/QSO?

Photometry

Discovery (first detection):
Discovery date: 2018-06-05 21:25:55
Flux: 18.55 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-01-30 23:03:50
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/2018chv