Gaia 1 cannot be a Thick Disk Galactic cluster

Abstract

In this note I show how the recently suggested membership of the open cluster Gaia 1 to the Galactic thick disk is based on incorrect assumptions about the structure of the disk itself, and neglect well-known observational evidences on the disk warp and flare.

2 pages, 1 figure, in press as a Research Note of the American Astronomical Society