{"paper":{"title":"Planck pre-launch status: High Frequency Instrument polarization calibration","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.IM"],"primary_cat":"astro-ph.CO","authors_text":"A. Catalano, A. Lange, B. Maffei, B. P. Crill, C. Leroy, C. Rosset, D. Yvon, E. Pointecouteau, F. Couchot, F. Noviello, F. Pajot, F. Piacentini, F.-X. D\\'esert, G. Savini, I. Ristorcelli, J. Ha\\\"issinski, J.-L. Puget, J. Mac\\'ias-P\\'erez, J.-M. Lamarre, K. Ganga, L. Conversi, L. Montier, M.-A. Miville-Desch\\^enes, M. Giard, M. Piat, M. Tristram, M. Veneziani, N. Ponthieu, O. Perdereau, P. Ade, P. de Marcillac, R. Sudiwala, S. Henrot-Versill\\'e, S. Plaszczynski, W. C. Jones, W. Holmes, Y. Giraud-H\\'eraud","submitted_at":"2010-04-15T10:17:08Z","abstract_excerpt":"The High Frequency Instrument of Planck will map the entire sky in the millimeter and sub-millimeter domain from 100 to 857 GHz with unprecedented sensitivity to polarization ($\\Delta P/T_{\\tiny cmb} \\sim 4\\cdot 10^{-6}$) at 100, 143, 217 and 353 GHz.  It will lead to major improvements in our understanding of the Cosmic Microwave Background anisotropies and polarized foreground signals. Planck will make high resolution measurements of the $E$-mode spectrum (up to $\\ell \\sim 1500$) and will also play a prominent role in the search for the faint imprint of primordial gravitational waves on the "},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1004.2595","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"}