Spectrophotometric analysis of magnetic white dwarf – I. Hydrogen-rich compositions

We present an homogeneous analysis of all DA stars labeled as magnetic in the Montreal White Dwarf Database (MWDD). Our sample is restricted to almost known white dwarf showing clear sign splitting ($B \gtrsim$ 1-2 MG) that have parallax measurements from second Gaia data release, photometric diverse surveys and spectroscopic SDSS or archival group. determine atmospheric parameters (effective temperature, surface gravity, field strength/geometry) objects using state-of-the-art model atmosphere/magnetic synthetic spectra, well reclassify many were prematurely potentially magnetic. Finally, we discuss parameters/field properties distribution implication on our understanding dwarfs origin evolution.