Discovery certificate for object 2018and
TNS Astronomical Transient Report No. 17525 [ 2018TNSTR.403....1D ]

Date Received (UTC): 2018-03-27 23:29:34
Sender: Gaia (Gaia_Bot1)
Reporting Group: GaiaAlerts     Discovery Data Source: 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 2018and
Discoverer internal name: Gaia18asu
Coordinates (J2000): RA = 18:50:55.200 (282.73) DEC = +01:04:53.18 (1.081439)
Discovery date: 2018-03-26 09:21:36.000 (JD=2458203.89)


Remarks: Gaia source in Galactic plane has slow, then steep decline of ~1.2 mags

Photometry

Discovery (first detection):
Discovery date: 2018-03-26 09:21:36.000
Flux: 19.15 ABMag
Filter: G-Gaia
Instrument: Gaia-photometric
Telescope: Gaia Spacecraft

Last non-detection:
Last non-detection date: 2017-11-04 07:17:45
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/2018and