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- Leung, J. S.-Y. (author)
A Simulation-based Method for Correcting Mode Coupling in CMB Angular Power Spectra
- Article/chapterEnglish2022
Publisher, publication year, extent ...
- 2022-03-30
- American Astronomical Society,2022
- printrdacarrier
Numbers
- LIBRIS-ID:oai:DiVA.org:su-203962
- https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-203962URI
- https://doi.org/10.3847/1538-4357/ac562fDOI
Supplementary language notes
- Language:English
- Summary in:English
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- SwePubSwePub
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Notes
- Modern cosmic microwave background (CMB) analysis pipelines regularly employ complex time-domain filters, beam models, masking, and other techniques during the production of sky maps and their corresponding angular power spectra. However, these processes can generate couplings between multipoles from the same spectrum and from different spectra, in addition to the typical power attenuation. Within the context of pseudo-C-l based, MASTER-style analyses, the net effect of the time-domain filtering is commonly approximated by a multiplicative transfer function, F-l , that can fail to capture mode mixing and is dependent on the spectrum of the signal. To address these shortcomings, we have developed a simulation-based spectral correction approach that constructs a two-dimensional transfer matrix, J(ll'), which contains information about mode mixing in addition to mode attenuation. We demonstrate the application of this approach on data from the first flight of the Spider balloon-borne CMB experiment.
Subject headings and genre
- NATURVETENSKAP Fysik Astronomi, astrofysik och kosmologi hsv//swe
- NATURAL SCIENCES Physical Sciences Astronomy, Astrophysics and Cosmology hsv//eng
- Cosmic microwave background radiation
- Observational cosmology
- Astronomy data analysis
Added entries (persons, corporate bodies, meetings, titles ...)
- Hartley, J. (author)
- Nagy, J. M. (author)
- Netterfield, C. B. (author)
- Shariff, J. A. (author)
- Ade, P. A. R. (author)
- Amiri, M. (author)
- Benton, S. J. (author)
- Bergman, A. S. (author)
- Bihary, R. (author)
- Bock, J. J. (author)
- Bond, J. R. (author)
- Bonetti, J. A. (author)
- Bryan, S. A. (author)
- Chiang, H. C. (author)
- Contaldi, C. R. (author)
- Dore, O. (author)
- Duivenvoorden, A. J. (author)
- Eriksen, H. K. (author)
- Farhang, M. (author)
- Filippini, J. P. (author)
- Fraisse, A. A. (author)
- Freese, KatherineStockholms universitet,Fysikum,Oskar Klein-centrum för kosmopartikelfysik (OKC),University of Texas, USA(Swepub:su)kfree (author)
- Galloway, M. (author)
- Gambrel, A. E. (author)
- Gandilo, N. N. (author)
- Ganga, K. (author)
- Gualtieri, R. (author)
- Gudmundsson, Jón E.Stockholms universitet,Oskar Klein-centrum för kosmopartikelfysik (OKC),Fysikum(Swepub:su)jgudm (author)
- Halpern, M. (author)
- Hasselfield, M. (author)
- Hilton, G. (author)
- Holmes, W. (author)
- Hristov, V. V. (author)
- Huang, Z. (author)
- Irwin, K. D. (author)
- Jones, W. C. (author)
- Karakci, A. (author)
- Kuo, C. L. (author)
- Kermish, Z. D. (author)
- Li, S. (author)
- Mak, D. S. Y. (author)
- Mason, P. (author)
- Megerian, K. (author)
- Moncelsi, L. (author)
- Morford, T. A. (author)
- Nolta, M. (author)
- Osherson, B. (author)
- Padilla, I. L. (author)
- Racine, B. (author)
- Rahlin, A. S. (author)
- Reintsema, C. (author)
- Ruhl, J. E. (author)
- Runyan, M. C. (author)
- Ruud, T. M. (author)
- Shaw, E. C. (author)
- Shiu, C. (author)
- Soler, J. D. (author)
- Song, X. (author)
- Trangsrud, A. (author)
- Tucker, C. (author)
- Tucker, R. S. (author)
- Turner, A. D. (author)
- van der List, J. F. (author)
- Weber, A. C. (author)
- Wehus, I. K. (author)
- Wen, S. (author)
- Wiebe, D. (author)
- Young, E. Y. (author)
- Stockholms universitetFysikum (creator_code:org_t)
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- In:Astrophysical Journal: American Astronomical Society928:20004-637X1538-4357
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- Amiri, M.
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