Discovery certificate for object 2018hsm
TNS Astronomical Transient Report No. 23889 [ 2018TNSTR1671....1D ]

Date Received (UTC): 2018-11-02 14:22:07
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 2018hsm
Discoverer internal name: Gaia18dgd
Coordinates (J2000): RA = 10:57:22.590 (164.344125) DEC = +74:53:34.15 (74.892819)
Discovery date: 2018-10-31 16:13:26 (JD=2458423.1759954)


Remarks: faint Gaia source brightens by ~1.5 mag

Photometry

Discovery (first detection):
Discovery date: 2018-10-31 16:13:26
Flux: 19.39 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-08-21 00:46:04
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/2018hsm