We study destriping as a map-making method for temperature-and-polarization data for cosmic microwave background observations. We present a particular implementation of destriping and study the residual error in output maps, using simulated data corresponding to the 70 GHz channel of the Planck satellite, but assuming idealized detector and beam properties. The relevant residual map is the difference between the output map and a binned map obtained from the signal + white noise part of the data stream. For destriping it can be divided into six components: unmodeled correlated noise, white noise reference baselines, reference baselines of the pixelization noise from the signal, and baseline errors from correlated noise, white noise, and signal. These six components contribute differently to the different angular scales in the maps. We derive analytical results for the first three components. This study is related to Planck LFI activities.

Destriping CMB temperature and polarization maps / H. Kurki-Suonio, E. Kehianen, R. Keskitalo, T. Poutanen, A-S. Sirvio, D. Maino, C. Burigana. - In: ASTRONOMY & ASTROPHYSICS. - ISSN 0004-6361. - 506:3(2009 Nov), pp. 1511-1539. [10.1051/0004-6361/200912361]

Destriping CMB temperature and polarization maps

D. Maino
Penultimo
;
2009

Abstract

We study destriping as a map-making method for temperature-and-polarization data for cosmic microwave background observations. We present a particular implementation of destriping and study the residual error in output maps, using simulated data corresponding to the 70 GHz channel of the Planck satellite, but assuming idealized detector and beam properties. The relevant residual map is the difference between the output map and a binned map obtained from the signal + white noise part of the data stream. For destriping it can be divided into six components: unmodeled correlated noise, white noise reference baselines, reference baselines of the pixelization noise from the signal, and baseline errors from correlated noise, white noise, and signal. These six components contribute differently to the different angular scales in the maps. We derive analytical results for the first three components. This study is related to Planck LFI activities.
English
methods: data analysis ; cosmology: cosmic microwave background
Settore FIS/05 - Astronomia e Astrofisica
Articolo
Sì, ma tipo non specificato
nov-2009
EDP Science
506
3
1511
1539
Periodico con rilevanza internazionale
info:eu-repo/semantics/article
Destriping CMB temperature and polarization maps / H. Kurki-Suonio, E. Kehianen, R. Keskitalo, T. Poutanen, A-S. Sirvio, D. Maino, C. Burigana. - In: ASTRONOMY & ASTROPHYSICS. - ISSN 0004-6361. - 506:3(2009 Nov), pp. 1511-1539. [10.1051/0004-6361/200912361]
none
Prodotti della ricerca::01 - Articolo su periodico
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262
Article (author)
Periodico con Impact Factor
H. Kurki Suonio, E. Kehianen, R. Keskitalo, T. Poutanen, A.S. Sirvio, D. Maino, C. Burigana
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/2434/150775
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