{"paper":{"title":"Planck intermediate results. XXVIII. Interstellar gas and dust in the Chamaeleon clouds as seen by Fermi LAT and Planck","license":"http://arxiv.org/licenses/nonexclusive-distrib/1.0/","headline":"","cross_cats":["astro-ph.GA"],"primary_cat":"astro-ph.HE","authors_text":"A. A. Fraisse, A. Benoit-Levy, A. Bonaldi, A. Catalano, A. Chamballu, A. Curto, A. De Rosa, A. Ducout, A. Frejsel, A. Gregorio, A. Gruppuso, A. H. Jaffe, A. J. Banday, A. Lasenby, A. Melchiorri, A. Mennella, A. Moneti, A.-S. Suur-Uski, A. W. Strong, A. Zacchei, A. Zonca, B. D. Wandelt, B. Maffei, B. P. Crill, B. Rusholme, B. Van Tent, C. A. Oxborrow, C. Baccigalupi, C. Burigana, C. Combet, C. Dickinson, C. Hernandez-Monteagudo, C. Renault, C. R. Lawrence, D. Hanson, D. Herranz, D. J. Marshall, D. L. Harrison, D. Maino, D. Mortlock, D. Munshi, D. Novikov, D. Paoletti, D. Santos, D. Scott, D. Sutton, D. Yvon, E. Battaner, E. Calabrese, E. Falgarone, E. Franceschi, E. Gjerlow, E. Hivon, E. Keihanen, E. Martinez-Gonzalez, E. Pointecouteau, F. Boulanger, F. Couchot, F. Cuttaia, F. Elsner, Fermi Collaborations: P. A. R. Ade, F. Finelli, F. K. Hansen, F. Levrier, F. Pajot, F. Pasian, F. Perrotta, F. Piacentini, F. R. Bouchet, F. Villa, F.-X. Desert, G. Aniano, G. de Zotti, G. Efstathiou, G. Hurier, G. Lagache, G. Morgante, G. Polenta, G. Rocha, G. Roudier, G. Umana, G. W. Pratt, H. C. Chiang, H. Dole, H. K. Eriksen, H. Kurki-Suonio, H. U. Norgaard-Nielsen, I. A. Grenier, I. K. Wehus, I. Novikov, I. Ristorcelli, J. A. Murphy, J. A. Tauber, J. Aumont, J. Borrill, J. Delabrouille, J.-F. Cardoso, J. F. Macias-Perez, J.-F. Sygnet, J. Gonzalez-Nuevo, J. Knoche, J.-L. Puget, J. M. Casandjian, J. M. Diego, J.-M. Lamarre, J.-P. Bernard, J. P. Rachen, J. R. Bond, J. Valiviita, K. Benabed, K. Ganga, K. M. Gorski, K. M. Huffenberger, L. A. Wade, L. Bonavera, L. Danese, L. D. Spencer, L. Mendes, L. Montier, L. Pagano, L. Perotto, L. P. L. Colombo, L. Popa, L. Terenzi, L. Tibaldo, L. Toffolatti, L. Valenziano, M.-A. Miville-Deschenes, M. Arnaud, M. Ashdown, M. Bersanelli, M. Douspis, M. Frailis, M. Giard, M. Kunz, M. Lattanzi, M. Liguori, M. Linden-Vornle, M. Lopez-Caniego, M. Maris, M. Migliaccio, M. Piat, M. Reinecke, M. Remazeilles, M. Sandri, M. Tomasi, M. Tristram, M. Tucci, N. Aghanim, N. Bartolo, N. Mandolesi, O. Dore, O. Forni, O. Perdereau, P. Bielewicz, P. B. Lilje, P. De Bernardis, P. G. Martin, Planck, P. Mazzotta, P. M. Lubin, P. Naselsky, P. Natoli, P. R. Christensen, P. Vielva, R. B. Barreiro, R. C. Butler, R. D. Davies, R. J. Davis, R. Keskitalo, R. Kneissl, R. Leonardi, R. Paladini, R. Rebolo, R. Sudiwala, R. Sunyaev, S. Donzelli, S. Galeotta, S. Galli, S. Henrot-Versille, S. Masi, S. Matarrese, S. Plaszczynski, S. Prunet, S. R. Hildebrandt, S. W. Digel, T. A. Ensslin, T. Ghosh, T. R. Jaffe, T. S. Kisner, V. Pettorino, V. Stolyarov, W. A. Holmes, W. C. Jones, W. Hovest, W. T. Reach, X. Dupac, Y. Fukui","submitted_at":"2014-09-10T22:35:32Z","abstract_excerpt":"Shortened abstract: Observations of the nearby Chamaeleon clouds in gamma rays with the Fermi Large Area Telescope and in thermal dust emission with Planck and IRAS have been used with the HI and CO radio data to (i) map the gas column densities in the different phases and at the dark neutral medium (DNM) transition between the HI-bright and CO-bright media; (ii) constrain the CO-to-$H_2$ conversion factor, $X_{CO}$; (iii) probe the dust properties per gas nucleon in each gas phase and spatially across the clouds. We have separated clouds in velocity in HI and CO emission and modelled the 0.4-"},"claims":{"count":0,"items":[],"snapshot_sha256":"258153158e38e3291e3d48162225fcdb2d5a3ed65a07baac614ab91432fd4f57"},"source":{"id":"1409.3268","kind":"arxiv","version":2},"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"}