Discovery certificate for object 2019hlb
TNS Astronomical Transient Report No. 37681 [ 2019TNSTR.997....1D ]

Date Received (UTC): 2019-06-13 10:46:38
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 2019hlb
Discoverer internal name: Gaia19cgp
Coordinates (J2000): RA = 16:48:33.690 (252.140375) DEC = -69:30:45.32 (-69.512589)
Discovery date: 2019-06-09 21:47:31 (JD=2458644.4079977)


Remarks: Gaia source brightens by 2 mags and becomes blue, aka candidate CV ASASSN-16co

Photometry

Discovery (first detection):
Discovery date: 2019-06-09 21:47:31
Flux: 16.66 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-07-19 09:04:19
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/2019hlb