338 citations · 1.3k across the 18 of their papers we have counts for
Showing 2000 · astro-phShow all
3 papers · 2 filters
astro-ph2000
Stellar Collisions and Pulsar Planets
Brad M. S. Hansen
I describe models for the formation of planetary systems surrounding the remnants of stellar mergers and collisions. I focus primarily on models for the viscous evolution of disks…
astro-ph2000
Old White Dwarfs as a Microlensing Population
Brad M. S. Hansen
A popular interpretation of recent microlensing studies of the line of sight towards the Large Magellanic Cloud invokes a population of old white dwarf stars in the Galactic halo.…
astro-ph2000
Failed Oort Clouds and Planetary Migration
Brad M. S. Hansen
Planet formation is accompanied by the formation of comet clouds. In systems where planets migrate on rapid timescales, the diffusive evolution of comet orbits may stall, resulting…