Discovery of kilogauss magnetic fields in three DA white dwarfs

R. Aznar Cuadrado, S. Jordan, R. Napiwotzki +3

We have detected longitudinal magnetic fields between 2 and 4 kG in three (WD 0446$-$790, WD 1105$-$048, WD 2359$-$434) out of a sample of 12 normal DA white dwarfs by using optica…