The low frequency instrument on-board the Planck satellite: Characteristics and performance

被引：8
作者：
Valenziano, L.
Sandri, M.
Morgante, G.
Burigana, C.
Bersanelli, M.
Butler, R. C.
Cuttaia, F.
Finelli, F.
Franceschi, E.
Galaverni, M.
Gruppuso, A.
Malaspina, M.
Mandolesi, N.
Mennella, A.
Paci, F.
Popa, L.
Procopio, P.
Stringhetti, L.
Terenzi, L.
Tomasi, M.
Villa, F.
Zuccarelli, J.
机构：
[1] INAF IASF Bologna, I-40129 Bologna, Italy
[2] Univ Milan, Dip Fis, I-20131 Milan, Italy
[3] INAF Oss Astron Bologna, I-40127 Bologna, Italy
[4] Univ Ferrara, Dip Fis, I-44100 Ferrara, Italy
[5] Univ Bologna, Dip Astron, I-40127 Bologna, Italy
[6] Inst Space Sci, RO-077125 Bucharest, Romania
[7] INAF IASF Milano, I-20131 Milan, Italy
来源：
NEW ASTRONOMY REVIEWS | 2007年 / 51卷 / 3-4期
关键词：
experimental cosmology; cosmic microwave background; microwave and radiowave instruments;
D O I：
10.1016/j.newar.2006.11.030
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Planck is the third generation space mission, after COBE/DMR and WMAP, devoted to image the CMBR anisotropies. The low frequency instrument (LFI) will simultaneously observe the sky in three frequency bands centered at 30, 44 and 70 GHz. It is composed by 11 pseudo-correlation receivers, actively cooled to 20 K, able to detect both orthogonal polarisation of the incoming signal. The LFI will be located, along with the high frequency instrument (HFI), in the focal region of a 1.5 m aperture telescope. The LFI will produce full-sky maps of the anisotropies of the CMBR with a FWHM angular resolution of 33', 27' and 14' for the 30, 44 and 70 GHz LFI bands, respectively. (c) 2006 Elsevier B.V. All rights reserved.
引用
收藏
页码：287 / 297
页数：11
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