Discovery certificate for object 2019htl
TNS Astronomical Transient Report No. 38138 [ 2019TNSTR1036....1D ]

Date Received (UTC): 2019-06-19 06:29:16
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 2019htl
Discoverer internal name: Gaia19ckw
Coordinates (J2000): RA = 14:28:24.780 (217.10325) DEC = -53:24:04.75 (-53.401319)
Discovery date: 2019-06-17 16:17:45 (JD=2458652.1789931)


Remarks: very red source brightens continuously by 1.4 mag over almost 5 years

Photometry

Discovery (first detection):
Discovery date: 2019-06-17 16:17:45
Flux: 15.41 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2019-03-23 05:47:02
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/2019htl