Discovery certificate for object 2019atm
TNS Astronomical Transient Report No. 29857 [ 2019TNSTR.229....1D ]

Date Received (UTC): 2019-02-11 08:39:06
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 2019atm
Discoverer internal name: Gaia19anb
Coordinates (J2000): RA = 01:38:55.870 (24.732792) DEC = +24:29:39.01 (24.494169)
Discovery date: 2019-02-07 19:12:00 (JD=2458522.3)


Remarks: blue star dims by 1.2 mag over 7 months

Photometry

Discovery (first detection):
Discovery date: 2019-02-07 19:12:00
Flux: 16.66 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-12-11 20:28:19
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/2019atm