Discovery certificate for object 2018ewa
TNS Astronomical Transient Report No. 21448 [ 2018TNSTR1148....1D ]

Date Received (UTC): 2018-08-11 18:31:47
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 2018ewa
Discoverer internal name: Gaia18ccb
Coordinates (J2000): RA = 17:03:47.560 (255.948167) DEC = -38:16:57.40 (-38.282611)
Discovery date: 2018-08-09 10:42:14 (JD=2458339.9459954)


Remarks: Gaia detection of confirmed classical nova ASASSN-18ds

Photometry

Discovery (first detection):
Discovery date: 2018-08-09 10:42:14
Flux: 17.92 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2018-03-29 02:26:52
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/2018ewa