The Geometry of the G29-38 White Dwarf Dust Disk from Radiative Transfer Modeling
Nicholas P. Ballering,
Colette I. Levens,
Kate Y. L. Su
et al.
Abstract:Many white dwarfs host disks of dust produced by disintegrating planetesimals and revealed by infrared excesses. The disk around G29-38 was the first to be discovered and is now well-observed, yet we lack a cohesive picture of its geometry and dust properties. Here we model the G29-38 disk for the first time using radiative transfer calculations that account for radial and vertical temperature and optical depth gradients. We arrive at a set of models that can match the available infrared measurements well, alt… Show more
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