Discovery certificate for object 2018apw
TNS Astronomical Transient Report No. 17617 [ 2018TNSTR.442....1D ]

Date Received (UTC): 2018-04-04 09:22:38
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 2018apw
Discoverer internal name: Gaia18auw
Coordinates (J2000): RA = 12:45:48.520 (191.452167) DEC = -55:26:43.51 (-55.445419)
Discovery date: 2018-04-01 05:03:50 (JD=2458209.7109954)


Remarks: 1 mag dimming event in Galactic plane source lasting more than 20 days

Photometry

Discovery (first detection):
Discovery date: 2018-04-01 05:03:50
Flux: 18.5 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-02-03 21:28:48
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/2018apw