A Constraint on Primordial B-modes from the First Flight of the Spider Balloon-borne Telescope

Autor: Collaboration, SPIDER, Ade, PAR, Amiri, M, Benton, SJ, Bergman, AS, Bihary, R, Bock, JJ, Bond, JR, Bonetti, JA, Bryan, SA, Chiang, HC, Contaldi, CR, Doré, O, Duivenvoorden, AJ, Eriksen, HK, Farhang, M, Filippini, JP, Fraisse, AA, Freese, K, Galloway, M, Gambrel, AE, Gandilo, NN, Ganga, K, Gualtieri, R, Gudmundsson, JE, Halpern, M, Hartley, J, Hasselfield, M, Hilton, G, Holmes, W, Hristov, VV, Huang, Z, Irwin, KD, Jones, WC, Karakci, A, Kuo, CL, Kermish, ZD, Leung, JS-Y, Li, S, Mak, DSY, Mason, PV, Megerian, K, Moncelsi, L, Morford, TA, Nagy, JM, Netterfield, CB, Nolta, M, O'Brient, R, Osherson, B, Padilla, IL, Racine, B, Rahlin, AS, Reintsema, C, Ruhl, JE, Runyan, MC, Ruud, TM, Shariff, JA, Shaw, EC, Shiu, C, Soler, JD, Song, X, Trangsrud, A, Tucker, C, Tucker, RS, Turner, AD, List, JFVD, Weber, AC, Wehus, IK, Wen, S, Wiebe, DV, Young, EY

Publikováno v: Astrophys.J.
Astrophys.J., 2022, 927 (2), pp.174. ⟨10.3847/1538-4357/ac20df⟩

We present the first linear polarization measurements from the 2015 long-duration balloon flight of SPIDER, an experiment designed to map the polarization of the cosmic microwave background (CMB) on degree angular scales. Results from these measureme

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::8199009a5ecb623978e00270fb3f8196
https://hal.science/hal-03197516

Accelerating linear system solvers for time-domain component separation of cosmic microwave background data

Autor: Laura Grigori, Radek Stompor, Jan Papež

Publikováno v: Astronomy and Astrophysics-A&A
Astronomy and Astrophysics-A&A, EDP Sciences, 2020, 638, pp.A73. ⟨10.1051/0004-6361/202037687⟩
Astronomy and Astrophysics-A&A, 2020, 638, pp.A73. ⟨10.1051/0004-6361/202037687⟩

International audience; Component separation is one of the key stages of any modern cosmic microwave background data analysis pipeline. It is an inherently nonlinear procedure and typically involves a series of sequential solutions of linear systems

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::f334d5bc258bc74e6ce2be0211435c90
https://hal.archives-ouvertes.fr/hal-02903839

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Cosmological parameters, shear maps and power spectra from CFHTLenS using Bayesian hierarchical inference

Autor: Justin Alsing, Andrew H. Jaffe, Alan Heavens

We apply two Bayesian hierarchical inference schemes to infer shear power spectra, shear maps and cosmological parameters from the CFHTLenS weak lensing survey - the first application of this method to data. In the first approach, we sample the joint

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::a301914266d38696b47e5c991b97b3d7
http://arxiv.org/abs/1607.00008

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