Search for Fallback Disks in Young Supernova Remnants

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Sep 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004sptz.prop.3718c&link_type=abstract

Spitzer Proposal ID #3718

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Scientific paper

Fallback disks are a general prediction of core-collapse supernova models, yet there are few observational constraints on the size (or existence) of these disks. If they exist, these disks could significantly affect the evolution of pulsars and could even lead some neutron stars to collapse into black holes. Theory predicts that fallback disks around young neutron stars should be strong IR emitters due to irradiation from the central X-ray source. The radio-quiet, compact X-ray point sources detected near the centers of several core-collapse supernova remnants offer a superb opportunity to make a very sensitive search for the predicted emission from fallback disks. The anomalous X-ray pulsars may also be another promising set of targets. We propose to obtain deep IR images of 5 radio-quiet neutron stars and one anomalous X-ray pulsar, and to combine these with existing ground-based optical and near-IR data to test the existence of fallback disks.

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