Discovery certificate for object 2019hsk
TNS Astronomical Transient Report No. 38104 [ 2019TNSTR1031....1D ]

Date Received (UTC): 2019-06-18 08:37:47
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 2019hsk
Discoverer internal name: Gaia19ckf
Coordinates (J2000): RA = 00:19:03.290 (4.763708) DEC = +06:37:56.21 (6.632281)
Discovery date: 2019-06-16 14:02:24 (JD=2458651.085)


Remarks: Gaia source coincident with UV and X-ray source brightens by 0.4 mag over 18 months

Photometry

Discovery (first detection):
Discovery date: 2019-06-16 14:02:24
Flux: 17.77 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-12-13 13:40:47
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/2019hsk