{"paper":{"title":"The Decay of Debris Disks around Solar-Type Stars","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.SR"],"primary_cat":"astro-ph.EP","authors_text":"Andras Gaspar, G. H. Rieke, J. M. Sierchio, K. Y. L. Su","submitted_at":"2014-02-25T20:38:16Z","abstract_excerpt":"We present a Spitzer MIPS study of the decay of debris disk excesses at 24 and 70 $\\mu$m for 255 stars of types F4 - K2. We have used multiple tests, including consistency between chromospheric and X-ray activity and placement on the HR diagram, to assign accurate stellar ages. Within this spectral type range, at 24 $\\mu$m, $13.6 \\pm 2.8 \\%$ of the stars younger than 5 Gyr have excesses at the 3$\\sigma$ level or more, while none of the older stars do, confirming previous work. At 70 $\\mu$m, $22.5 \\pm 3.6\\%$ of the younger stars have excesses at $ \\ge$ 3 $\\sigma$ significance, while only $4.7^{"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1402.6308","kind":"arxiv","version":1},"verdict":{"id":null,"model_set":{},"created_at":null,"strongest_claim":"","one_line_summary":"","pipeline_version":null,"weakest_assumption":"","pith_extraction_headline":""},"references":{"count":0,"sample":[],"resolved_work":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57","internal_anchors":0},"formal_canon":{"evidence_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"author_claims":{"count":0,"strong_count":0,"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"builder_version":"pith-number-builder-2026-05-17-v1"}