The first polluted white dwarf from Gaia DR2: the cool DAZ GaiaJ1738-0826

Carl Melis, B. Zuckerman, P. Dufour +2

We present the first metal-polluted single white dwarf star identified through Gaia DR2. GaiaJ1738-0826, selected from color and absolute magnitude cuts in the Gaia DR2 data, was d…