Imaging planets around nearby white dwarfs

Details Imaging planets around nearby white dwarfs Imaging planets around nearby white dwarfs

2002-02-09

arxiv.org/abs/astro-ph/0202194v1

Mon.Not.Roy.Astron.Soc. 331 (2002) L41

Astronomy and Astrophysics

Astrophysics

Accepted for publication in MNRAS pink pages

Scientific paper

10.1046/j.1365-8711.2002.05417.x

We suggest that Jovian planets will survive the late stages of stellar evolution, and that white dwarfs will retain planetary systems in wide orbits (>5AU). Utilising evolutionary models for Jovian planets, we show that infra-red imaging with 8m class telescopes of suitable nearby white dwarfs should allow us to resolve and detect companions >3Mjup. Detection of massive planetary companions to nearby white dwarfs would prove that such objects can survive the final stages of stellar evolution, place constraints on the frequency of main sequence stars with planetary systems dynamically similar to our own and allow direct spectroscopic investigation of their composition and structure.

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