Discovery certificate for object 2018hem
TNS Astronomical Transient Report No. 23411 [ 2018TNSTR1534....1D ]

Date Received (UTC): 2018-10-09 14:25:18
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 2018hem
Discoverer internal name: Gaia18cxo
Coordinates (J2000): RA = 05:09:27.460 (77.364417) DEC = +10:11:44.59 (10.195719)
Discovery date: 2018-10-05 19:50:52 (JD=2458397.3269907)


Remarks: Brightening in erratically variable Gaia source coincident with QSO ICRF J050927.4+101144

Photometry

Discovery (first detection):
Discovery date: 2018-10-05 19:50:52
Flux: 17.55 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-08-04 11:08:09
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/2018hem