The evolution of helium white dwarfs: I. The companion of the millisecond pulsar PSR J1012+5307

T. Driebe, D. Sch"onberner, T. Bl"ocker +1

We present a grid of evolutionary tracks for low-mass white dwarfs with helium cores in the mass range from 0.179 to 0.414 Msol. The lower mass limit is well-suited for comparison…