Planck intermediate results. L. Evidence of spatial variation of the polarized thermal dust spectral energy distribution and implications for CMB B-mode analysis

The characterization of the Galactic foregrounds has been shown to be the main obstacle in thechallenging quest to detect primordial B-modes in the polarized microwave sky. We make use of the Planck-HFI 2015 data release at high frequencies to place new constraints on the properties of the polarized...

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Main Authors:	Aghanim, N., Ashdown, M., Aumont, J., Baccigalupi, C., Ballardini, M., Banday, A.J., Barreiro, R.B., Bartolo, N., Basak, S., Benabed, K., Bernard, J.-P., Bersanelli, M., Bielewicz, P., Bonaldi, A., Bonavera, L., Bond, J.R., Borrill, J., Bouchet, F.R., Boulanger, F., Bracco, A., Burigana, C., Calabrese, E., Cardoso, J.-F., Chiang, H.C., Colombo, L.P.L., Combet, C., Comis, B., Crill, B.P., Curto, A., Cuttaia, F., Davis, R.J., de Bernardis, P., de Rosa, A., de Zotti, G., Delabrouille, J., Delouis, J.-M., Di Valentino, E., Dickinson, C., Diego, J.M., Doré, O., Douspis, M., Ducout, A., Dupac, X., Dusini, S., Efstathiou, G., Elsner, F., Enßlin, T.A., Eriksen, H.K., Falgarone, E., Fantaye, Y., Finelli, F., Frailis, M., Fraisse, A.A., Franceschi, E., Frolov, A., Galeotta, S., Galli, S., Ganga, K., Génova-Santos, R.T., Gerbino, M., Ghosh, T., Giard, M., González-Nuevo, J., Górski, K.M., Gregorio, A., Gruppuso, A., Gudmundsson, J.E., Hansen, F.K., Helou, G., Herranz, D., Hivon, E., Huang, Z., Jaffe, A.H., Jones, W.C., Keihänen, E., Keskitalo, R., Kisner, T.S., Krachmalnicoff, N., Kunz, M., Kurki-Suonio, H., Lagache, G., Lähteenmäki, A., Lamarre, J.-M., Lasenby, A., Lattanzi, M., Lawrence, C.R., Le Jeune, M., Levrier, F., Liguori, M., Lilje, P.B., López-Caniego, M., Lubin, P.M., Macías-Pérez, J.F., Maggio, G., Maino, D., Mandolesi, N., Mangilli, A., Maris, M., Martin, P.G., Martínez-González, E., Matarrese, S., Mauri, N., McEwen, J.D., Melchiorri, A., Mennella, A., Migliaccio, M., Mitra, S., Miville-Deschênes, M.-A., Molinari, D., Moneti, A., Montier, L., Morgante, G., Moss, Adam, Naselsky, P., Nørgaard-Nielsen, H.U., Oxborrow, C.A., Pagano, L., Paoletti, D., Partridge, B., Patrizii, L., Perdereau, O., Perotto, L., Pettorino, V., Piacentini, F., Plaszczynski, S., Polenta, G., Puget, J.-L., Rachen, J.P., Reinecke, M., Remazeilles, M., Renzi, A., Rocha, G., Rossetti, M., Roudier, G., Rubiño-Martín, J.A., Ruiz-Granados, B., Salvati, L., Sandri, M., Savelainen, M., Scott, D., Sirignano, C., Sirri, G., Stanco, L., Suur-Uski, A.-S., Tauber, J.A., Tenti, M., Toffolatti, L., Tomasi, M., Tristram, M., Trombetti, T., Valiviita, J., Vansyngel, F., Van Tent, F., Vielva, P., Wandelt, B.D., Wehus, I.K., Zacchei, A., Zonca, A.
Format:	Article
Published:	EDP Sciences 2017
Subjects:	cosmic background radiation; cosmology: observations; submillimeter: ISM; dust extinction
Online Access:	https://eprints.nottingham.ac.uk/42449/

_version_	1848796490033528832
author	Aghanim, N. Ashdown, M. Aumont, J. Baccigalupi, C. Ballardini, M. Banday, A.J. Barreiro, R.B. Bartolo, N. Basak, S. Benabed, K. Bernard, J.-P. Bersanelli, M. Bielewicz, P. Bonaldi, A. Bonavera, L. Bond, J.R. Borrill, J. Bouchet, F.R. Boulanger, F. Bracco, A. Burigana, C. Calabrese, E. Cardoso, J.-F. Chiang, H.C. Colombo, L.P.L. Combet, C. Comis, B. Crill, B.P. Curto, A. Cuttaia, F. Davis, R.J. de Bernardis, P. de Rosa, A. de Zotti, G. Delabrouille, J. Delouis, J.-M. Di Valentino, E. Dickinson, C. Diego, J.M. Doré, O. Douspis, M. Ducout, A. Dupac, X. Dusini, S. Efstathiou, G. Elsner, F. Enßlin, T.A. Eriksen, H.K. Falgarone, E. Fantaye, Y. Finelli, F. Frailis, M. Fraisse, A.A. Franceschi, E. Frolov, A. Galeotta, S. Galli, S. Ganga, K. Génova-Santos, R.T. Gerbino, M. Ghosh, T. Giard, M. González-Nuevo, J. Górski, K.M. Gregorio, A. Gruppuso, A. Gudmundsson, J.E. Hansen, F.K. Helou, G. Herranz, D. Hivon, E. Huang, Z. Jaffe, A.H. Jones, W.C. Keihänen, E. Keskitalo, R. Kisner, T.S. Krachmalnicoff, N. Kunz, M. Kurki-Suonio, H. Lagache, G. Lähteenmäki, A. Lamarre, J.-M. Lasenby, A. Lattanzi, M. Lawrence, C.R. Le Jeune, M. Levrier, F. Liguori, M. Lilje, P.B. López-Caniego, M. Lubin, P.M. Macías-Pérez, J.F. Maggio, G. Maino, D. Mandolesi, N. Mangilli, A. Maris, M. Martin, P.G. Martínez-González, E. Matarrese, S. Mauri, N. McEwen, J.D. Melchiorri, A. Mennella, A. Migliaccio, M. Mitra, S. Miville-Deschênes, M.-A. Molinari, D. Moneti, A. Montier, L. Morgante, G. Moss, Adam Naselsky, P. Nørgaard-Nielsen, H.U. Oxborrow, C.A. Pagano, L. Paoletti, D. Partridge, B. Patrizii, L. Perdereau, O. Perotto, L. Pettorino, V. Piacentini, F. Plaszczynski, S. Polenta, G. Puget, J.-L. Rachen, J.P. Reinecke, M. Remazeilles, M. Renzi, A. Rocha, G. Rossetti, M. Roudier, G. Rubiño-Martín, J.A. Ruiz-Granados, B. Salvati, L. Sandri, M. Savelainen, M. Scott, D. Sirignano, C. Sirri, G. Stanco, L. Suur-Uski, A.-S. Tauber, J.A. Tenti, M. Toffolatti, L. Tomasi, M. Tristram, M. Trombetti, T. Valiviita, J. Vansyngel, F. Van Tent, F. Vielva, P. Wandelt, B.D. Wehus, I.K. Zacchei, A. Zonca, A.
author_facet	Aghanim, N. Ashdown, M. Aumont, J. Baccigalupi, C. Ballardini, M. Banday, A.J. Barreiro, R.B. Bartolo, N. Basak, S. Benabed, K. Bernard, J.-P. Bersanelli, M. Bielewicz, P. Bonaldi, A. Bonavera, L. Bond, J.R. Borrill, J. Bouchet, F.R. Boulanger, F. Bracco, A. Burigana, C. Calabrese, E. Cardoso, J.-F. Chiang, H.C. Colombo, L.P.L. Combet, C. Comis, B. Crill, B.P. Curto, A. Cuttaia, F. Davis, R.J. de Bernardis, P. de Rosa, A. de Zotti, G. Delabrouille, J. Delouis, J.-M. Di Valentino, E. Dickinson, C. Diego, J.M. Doré, O. Douspis, M. Ducout, A. Dupac, X. Dusini, S. Efstathiou, G. Elsner, F. Enßlin, T.A. Eriksen, H.K. Falgarone, E. Fantaye, Y. Finelli, F. Frailis, M. Fraisse, A.A. Franceschi, E. Frolov, A. Galeotta, S. Galli, S. Ganga, K. Génova-Santos, R.T. Gerbino, M. Ghosh, T. Giard, M. González-Nuevo, J. Górski, K.M. Gregorio, A. Gruppuso, A. Gudmundsson, J.E. Hansen, F.K. Helou, G. Herranz, D. Hivon, E. Huang, Z. Jaffe, A.H. Jones, W.C. Keihänen, E. Keskitalo, R. Kisner, T.S. Krachmalnicoff, N. Kunz, M. Kurki-Suonio, H. Lagache, G. Lähteenmäki, A. Lamarre, J.-M. Lasenby, A. Lattanzi, M. Lawrence, C.R. Le Jeune, M. Levrier, F. Liguori, M. Lilje, P.B. López-Caniego, M. Lubin, P.M. Macías-Pérez, J.F. Maggio, G. Maino, D. Mandolesi, N. Mangilli, A. Maris, M. Martin, P.G. Martínez-González, E. Matarrese, S. Mauri, N. McEwen, J.D. Melchiorri, A. Mennella, A. Migliaccio, M. Mitra, S. Miville-Deschênes, M.-A. Molinari, D. Moneti, A. Montier, L. Morgante, G. Moss, Adam Naselsky, P. Nørgaard-Nielsen, H.U. Oxborrow, C.A. Pagano, L. Paoletti, D. Partridge, B. Patrizii, L. Perdereau, O. Perotto, L. Pettorino, V. Piacentini, F. Plaszczynski, S. Polenta, G. Puget, J.-L. Rachen, J.P. Reinecke, M. Remazeilles, M. Renzi, A. Rocha, G. Rossetti, M. Roudier, G. Rubiño-Martín, J.A. Ruiz-Granados, B. Salvati, L. Sandri, M. Savelainen, M. Scott, D. Sirignano, C. Sirri, G. Stanco, L. Suur-Uski, A.-S. Tauber, J.A. Tenti, M. Toffolatti, L. Tomasi, M. Tristram, M. Trombetti, T. Valiviita, J. Vansyngel, F. Van Tent, F. Vielva, P. Wandelt, B.D. Wehus, I.K. Zacchei, A. Zonca, A.
author_sort	Aghanim, N.
building	Nottingham Research Data Repository
collection	Online Access
description	The characterization of the Galactic foregrounds has been shown to be the main obstacle in thechallenging quest to detect primordial B-modes in the polarized microwave sky. We make use of the Planck-HFI 2015 data release at high frequencies to place new constraints on the properties of the polarized thermal dust emission at high Galactic latitudes. Here, we specifically study the spatial variability of the dust polarized spectral energy distribution (SED), and its potential impact on the determination of the tensor-to-scalar ratio, r. We use the correlation ratio of the CBBℓ angular power spectra between the 217 and 353 GHz channels as a tracer of these potential variations, computed on different high Galactic latitude regions, ranging from 80% to 20% of the sky. The new insight from Planck data is a departure of the correlation ratio from unity that cannot be attributed to a spurious decorrelation due to the cosmic microwave background, instrumental noise, or instrumental systematics. The effect is marginally detected on each region, but the statistical combination of all the regions gives more than 99% confidence for this variation in polarized dust properties. In addition, we show that the decorrelation increases when there is a decrease in the mean column density of the region of the sky being considered, and we propose a simple power-law empirical model for this dependence, which matches what is seen in the Planck data. We explore the effect that this measured decorrelation has on simulations of the BICEP2-Keck Array/Planck analysis and show that the 2015 constraints from these data still allow a decorrelation between the dust at 150 and 353 GHz that is compatible with our measured value. Finally, using simplified models, we show that either spatial variation of the dust SED or of the dust polarization angle are able to produce decorrelations between 217 and 353 GHz data similar to the values we observe in the data.
first_indexed	2025-11-14T19:48:48Z
format	Article
id	nottingham-42449
institution	University of Nottingham Malaysia Campus
institution_category	Local University
last_indexed	2025-11-14T19:48:48Z
publishDate	2017
publisher	EDP Sciences
recordtype	eprints
repository_type	Digital Repository
spelling	nottingham-424492020-05-04T18:33:19Z https://eprints.nottingham.ac.uk/42449/ Planck intermediate results. L. Evidence of spatial variation of the polarized thermal dust spectral energy distribution and implications for CMB B-mode analysis Aghanim, N. Ashdown, M. Aumont, J. Baccigalupi, C. Ballardini, M. Banday, A.J. Barreiro, R.B. Bartolo, N. Basak, S. Benabed, K. Bernard, J.-P. Bersanelli, M. Bielewicz, P. Bonaldi, A. Bonavera, L. Bond, J.R. Borrill, J. Bouchet, F.R. Boulanger, F. Bracco, A. Burigana, C. Calabrese, E. Cardoso, J.-F. Chiang, H.C. Colombo, L.P.L. Combet, C. Comis, B. Crill, B.P. Curto, A. Cuttaia, F. Davis, R.J. de Bernardis, P. de Rosa, A. de Zotti, G. Delabrouille, J. Delouis, J.-M. Di Valentino, E. Dickinson, C. Diego, J.M. Doré, O. Douspis, M. Ducout, A. Dupac, X. Dusini, S. Efstathiou, G. Elsner, F. Enßlin, T.A. Eriksen, H.K. Falgarone, E. Fantaye, Y. Finelli, F. Frailis, M. Fraisse, A.A. Franceschi, E. Frolov, A. Galeotta, S. Galli, S. Ganga, K. Génova-Santos, R.T. Gerbino, M. Ghosh, T. Giard, M. González-Nuevo, J. Górski, K.M. Gregorio, A. Gruppuso, A. Gudmundsson, J.E. Hansen, F.K. Helou, G. Herranz, D. Hivon, E. Huang, Z. Jaffe, A.H. Jones, W.C. Keihänen, E. Keskitalo, R. Kisner, T.S. Krachmalnicoff, N. Kunz, M. Kurki-Suonio, H. Lagache, G. Lähteenmäki, A. Lamarre, J.-M. Lasenby, A. Lattanzi, M. Lawrence, C.R. Le Jeune, M. Levrier, F. Liguori, M. Lilje, P.B. López-Caniego, M. Lubin, P.M. Macías-Pérez, J.F. Maggio, G. Maino, D. Mandolesi, N. Mangilli, A. Maris, M. Martin, P.G. Martínez-González, E. Matarrese, S. Mauri, N. McEwen, J.D. Melchiorri, A. Mennella, A. Migliaccio, M. Mitra, S. Miville-Deschênes, M.-A. Molinari, D. Moneti, A. Montier, L. Morgante, G. Moss, Adam Naselsky, P. Nørgaard-Nielsen, H.U. Oxborrow, C.A. Pagano, L. Paoletti, D. Partridge, B. Patrizii, L. Perdereau, O. Perotto, L. Pettorino, V. Piacentini, F. Plaszczynski, S. Polenta, G. Puget, J.-L. Rachen, J.P. Reinecke, M. Remazeilles, M. Renzi, A. Rocha, G. Rossetti, M. Roudier, G. Rubiño-Martín, J.A. Ruiz-Granados, B. Salvati, L. Sandri, M. Savelainen, M. Scott, D. Sirignano, C. Sirri, G. Stanco, L. Suur-Uski, A.-S. Tauber, J.A. Tenti, M. Toffolatti, L. Tomasi, M. Tristram, M. Trombetti, T. Valiviita, J. Vansyngel, F. Van Tent, F. Vielva, P. Wandelt, B.D. Wehus, I.K. Zacchei, A. Zonca, A. The characterization of the Galactic foregrounds has been shown to be the main obstacle in thechallenging quest to detect primordial B-modes in the polarized microwave sky. We make use of the Planck-HFI 2015 data release at high frequencies to place new constraints on the properties of the polarized thermal dust emission at high Galactic latitudes. Here, we specifically study the spatial variability of the dust polarized spectral energy distribution (SED), and its potential impact on the determination of the tensor-to-scalar ratio, r. We use the correlation ratio of the CBBℓ angular power spectra between the 217 and 353 GHz channels as a tracer of these potential variations, computed on different high Galactic latitude regions, ranging from 80% to 20% of the sky. The new insight from Planck data is a departure of the correlation ratio from unity that cannot be attributed to a spurious decorrelation due to the cosmic microwave background, instrumental noise, or instrumental systematics. The effect is marginally detected on each region, but the statistical combination of all the regions gives more than 99% confidence for this variation in polarized dust properties. In addition, we show that the decorrelation increases when there is a decrease in the mean column density of the region of the sky being considered, and we propose a simple power-law empirical model for this dependence, which matches what is seen in the Planck data. We explore the effect that this measured decorrelation has on simulations of the BICEP2-Keck Array/Planck analysis and show that the 2015 constraints from these data still allow a decorrelation between the dust at 150 and 353 GHz that is compatible with our measured value. Finally, using simplified models, we show that either spatial variation of the dust SED or of the dust polarization angle are able to produce decorrelations between 217 and 353 GHz data similar to the values we observe in the data. EDP Sciences 2017-02-27 Article PeerReviewed Aghanim, N., Ashdown, M., Aumont, J., Baccigalupi, C., Ballardini, M., Banday, A.J., Barreiro, R.B., Bartolo, N., Basak, S., Benabed, K., Bernard, J.-P., Bersanelli, M., Bielewicz, P., Bonaldi, A., Bonavera, L., Bond, J.R., Borrill, J., Bouchet, F.R., Boulanger, F., Bracco, A., Burigana, C., Calabrese, E., Cardoso, J.-F., Chiang, H.C., Colombo, L.P.L., Combet, C., Comis, B., Crill, B.P., Curto, A., Cuttaia, F., Davis, R.J., de Bernardis, P., de Rosa, A., de Zotti, G., Delabrouille, J., Delouis, J.-M., Di Valentino, E., Dickinson, C., Diego, J.M., Doré, O., Douspis, M., Ducout, A., Dupac, X., Dusini, S., Efstathiou, G., Elsner, F., Enßlin, T.A., Eriksen, H.K., Falgarone, E., Fantaye, Y., Finelli, F., Frailis, M., Fraisse, A.A., Franceschi, E., Frolov, A., Galeotta, S., Galli, S., Ganga, K., Génova-Santos, R.T., Gerbino, M., Ghosh, T., Giard, M., González-Nuevo, J., Górski, K.M., Gregorio, A., Gruppuso, A., Gudmundsson, J.E., Hansen, F.K., Helou, G., Herranz, D., Hivon, E., Huang, Z., Jaffe, A.H., Jones, W.C., Keihänen, E., Keskitalo, R., Kisner, T.S., Krachmalnicoff, N., Kunz, M., Kurki-Suonio, H., Lagache, G., Lähteenmäki, A., Lamarre, J.-M., Lasenby, A., Lattanzi, M., Lawrence, C.R., Le Jeune, M., Levrier, F., Liguori, M., Lilje, P.B., López-Caniego, M., Lubin, P.M., Macías-Pérez, J.F., Maggio, G., Maino, D., Mandolesi, N., Mangilli, A., Maris, M., Martin, P.G., Martínez-González, E., Matarrese, S., Mauri, N., McEwen, J.D., Melchiorri, A., Mennella, A., Migliaccio, M., Mitra, S., Miville-Deschênes, M.-A., Molinari, D., Moneti, A., Montier, L., Morgante, G., Moss, Adam, Naselsky, P., Nørgaard-Nielsen, H.U., Oxborrow, C.A., Pagano, L., Paoletti, D., Partridge, B., Patrizii, L., Perdereau, O., Perotto, L., Pettorino, V., Piacentini, F., Plaszczynski, S., Polenta, G., Puget, J.-L., Rachen, J.P., Reinecke, M., Remazeilles, M., Renzi, A., Rocha, G., Rossetti, M., Roudier, G., Rubiño-Martín, J.A., Ruiz-Granados, B., Salvati, L., Sandri, M., Savelainen, M., Scott, D., Sirignano, C., Sirri, G., Stanco, L., Suur-Uski, A.-S., Tauber, J.A., Tenti, M., Toffolatti, L., Tomasi, M., Tristram, M., Trombetti, T., Valiviita, J., Vansyngel, F., Van Tent, F., Vielva, P., Wandelt, B.D., Wehus, I.K., Zacchei, A. and Zonca, A. (2017) Planck intermediate results. L. Evidence of spatial variation of the polarized thermal dust spectral energy distribution and implications for CMB B-mode analysis. Astronomy & Astrophysics, 599 . A51/1-A51/15. ISSN 1432-0746 cosmic background radiation; cosmology: observations; submillimeter: ISM; dust extinction http://www.aanda.org/articles/aa/abs/2017/03/aa29164-16/aa29164-16.html doi:10.1051/0004-6361/201629164 doi:10.1051/0004-6361/201629164
spellingShingle	cosmic background radiation; cosmology: observations; submillimeter: ISM; dust extinction Aghanim, N. Ashdown, M. Aumont, J. Baccigalupi, C. Ballardini, M. Banday, A.J. Barreiro, R.B. Bartolo, N. Basak, S. Benabed, K. Bernard, J.-P. Bersanelli, M. Bielewicz, P. Bonaldi, A. Bonavera, L. Bond, J.R. Borrill, J. Bouchet, F.R. Boulanger, F. Bracco, A. Burigana, C. Calabrese, E. Cardoso, J.-F. Chiang, H.C. Colombo, L.P.L. Combet, C. Comis, B. Crill, B.P. Curto, A. Cuttaia, F. Davis, R.J. de Bernardis, P. de Rosa, A. de Zotti, G. Delabrouille, J. Delouis, J.-M. Di Valentino, E. Dickinson, C. Diego, J.M. Doré, O. Douspis, M. Ducout, A. Dupac, X. Dusini, S. Efstathiou, G. Elsner, F. Enßlin, T.A. Eriksen, H.K. Falgarone, E. Fantaye, Y. Finelli, F. Frailis, M. Fraisse, A.A. Franceschi, E. Frolov, A. Galeotta, S. Galli, S. Ganga, K. Génova-Santos, R.T. Gerbino, M. Ghosh, T. Giard, M. González-Nuevo, J. Górski, K.M. Gregorio, A. Gruppuso, A. Gudmundsson, J.E. Hansen, F.K. Helou, G. Herranz, D. Hivon, E. Huang, Z. Jaffe, A.H. Jones, W.C. Keihänen, E. Keskitalo, R. Kisner, T.S. Krachmalnicoff, N. Kunz, M. Kurki-Suonio, H. Lagache, G. Lähteenmäki, A. Lamarre, J.-M. Lasenby, A. Lattanzi, M. Lawrence, C.R. Le Jeune, M. Levrier, F. Liguori, M. Lilje, P.B. López-Caniego, M. Lubin, P.M. Macías-Pérez, J.F. Maggio, G. Maino, D. Mandolesi, N. Mangilli, A. Maris, M. Martin, P.G. Martínez-González, E. Matarrese, S. Mauri, N. McEwen, J.D. Melchiorri, A. Mennella, A. Migliaccio, M. Mitra, S. Miville-Deschênes, M.-A. Molinari, D. Moneti, A. Montier, L. Morgante, G. Moss, Adam Naselsky, P. Nørgaard-Nielsen, H.U. Oxborrow, C.A. Pagano, L. Paoletti, D. Partridge, B. Patrizii, L. Perdereau, O. Perotto, L. Pettorino, V. Piacentini, F. Plaszczynski, S. Polenta, G. Puget, J.-L. Rachen, J.P. Reinecke, M. Remazeilles, M. Renzi, A. Rocha, G. Rossetti, M. Roudier, G. Rubiño-Martín, J.A. Ruiz-Granados, B. Salvati, L. Sandri, M. Savelainen, M. Scott, D. Sirignano, C. Sirri, G. Stanco, L. Suur-Uski, A.-S. Tauber, J.A. Tenti, M. Toffolatti, L. Tomasi, M. Tristram, M. Trombetti, T. Valiviita, J. Vansyngel, F. Van Tent, F. Vielva, P. Wandelt, B.D. Wehus, I.K. Zacchei, A. Zonca, A. Planck intermediate results. L. Evidence of spatial variation of the polarized thermal dust spectral energy distribution and implications for CMB B-mode analysis
title	Planck intermediate results. L. Evidence of spatial variation of the polarized thermal dust spectral energy distribution and implications for CMB B-mode analysis
title_full	Planck intermediate results. L. Evidence of spatial variation of the polarized thermal dust spectral energy distribution and implications for CMB B-mode analysis
title_fullStr	Planck intermediate results. L. Evidence of spatial variation of the polarized thermal dust spectral energy distribution and implications for CMB B-mode analysis
title_full_unstemmed	Planck intermediate results. L. Evidence of spatial variation of the polarized thermal dust spectral energy distribution and implications for CMB B-mode analysis
title_short	Planck intermediate results. L. Evidence of spatial variation of the polarized thermal dust spectral energy distribution and implications for CMB B-mode analysis
title_sort	planck intermediate results. l. evidence of spatial variation of the polarized thermal dust spectral energy distribution and implications for cmb b-mode analysis
topic	cosmic background radiation; cosmology: observations; submillimeter: ISM; dust extinction
url	https://eprints.nottingham.ac.uk/42449/ https://eprints.nottingham.ac.uk/42449/ https://eprints.nottingham.ac.uk/42449/

Planck intermediate results. L. Evidence of spatial variation of the polarized thermal dust spectral energy distribution and implications for CMB B-mode analysis

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