Computer Science
Scientific paper
Jan 1993
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1993aspc...36..173s&link_type=abstract
Conference on Planets Around Pulsars, p. 173 - 179
Computer Science
2
Scientific paper
The discovery of planets around PSR 1257+12 suggests that planetary systems may be detected around the recycled pulsars found in globular clusters. Detection of planets around cluster pulsars can constrain planet formation mechanisms, in particular the effects of low metallicity on planet formation in disks. Planetary systems in dense clusters have lifetimes to disruption due to perturbations by passing stars comparable to or shorter than the pulsar lifetime, and observations of planets in the cores of clusters may reveal planetary systems formally dynamically unstable on time scales short compared to the characteristic age of the system. Planets formed around cluster pulsars will most likely be restricted to semi-major axis of ≡0.1 - 1.0 AU, while "scavenged" planets may be observed in wider orbits, with no stable systems expected in the densest clusters.
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