Discovery certificate for object 2018atm
TNS Astronomical Transient Report No. 17739 [ 2018TNSTR.474....1D ]

Date Received (UTC): 2018-04-11 13:30:25
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 2018atm
Discoverer internal name: Gaia18axl
Coordinates (J2000): RA = 22:28:33.720 (337.1405) DEC = +54:02:57.62 (54.049339)
Discovery date: 2018-04-09 12:27:21 (JD=2458218.0189931)


Remarks: Bright Gaia source in Galactic plane brightens by ~0.2 mags

Photometry

Discovery (first detection):
Discovery date: 2018-04-09 12:27:21
Flux: 13.85 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-03-17 20:05:16
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/2018atm