Discovery certificate for object 2018ehm
TNS Astronomical Transient Report No. 20984 [ 2018TNSTR1051....1D ]

Date Received (UTC): 2018-07-29 10:50:07
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 2018ehm
Discoverer internal name: Gaia18bxl
Coordinates (J2000): RA = 12:28:28.740 (187.11975) DEC = -48:16:43.86 (-48.27885)
Discovery date: 2018-07-27 08:54:14 (JD=2458326.8709954)


Remarks: Gaia source brightens by 2.5 mag and becomes blue. Previous events seen

Photometry

Discovery (first detection):
Discovery date: 2018-07-27 08:54:14
Flux: 17.56 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-05-31 03:15:50
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/2018ehm