Dust around solitary millisecond pulsars

Details Dust around solitary millisecond pulsars Dust around solitary millisecond pulsars

May 2006

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006sptz.prop30763p&link_type=abstract

Spitzer Proposal ID #30763

Computer Science

Scientific paper

The existence of planets around the millisecond pulsar B1257+12 strongly argues that at least some of the millisecond pulsars are accompanied by protoplanetary or debris disks where the planets form. Solitary millisecond pulsars are the best candidates to search for such disks. Being spun up to millisecond periods by accretion during their binary phase, the pulsars can form a disk by capturing substantial amounts of dust when their companion is lost due to evaporation by pulsar radiation or due to a stellar collision. Such disks intercept a fraction of the pulsar radiation and re-emit it as infrared thermal radiation. Recent observations of pulsars and related objects suggest that we should expect relatively hot, low-mass disks, which are most luminous at a few micron wavelengths. Thus, we propose to observe a sample of solitary millisecond pulsars with IRAC. We expect these observations to provide first detection of millisecond pulsar disks, establish the disk properties and their dependence on the pulsar parameters, and elucidate the processes of planet formation.

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