Planck Pre-Launch Status Papers - APC - UniversitÃ© Paris Diderot ...

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J. A. Tauber et al.: Planck pre-launch status: The Planck missionTable 2. Planck pointing performance.Small manoeuver accuracy
A&A 520, A1 (2010)Fig. 6. The Planck service module consists of a conical mechanical structure around which is supported an octagonal set of panels. It containsall the warm satellite and payload electronic units, with the only exception of the box containing JFETs for impedance-matching to the HFIbolometers (see Fig. 5), which is mounted on the primary reflector support panel, to allow the operation of the JFETs at an optimal temperature of∼130 K . Figure courtesy of Thales Alenia Space (France).values of f k ∼ 20 mHz, i.e. well below the required levelwhich was set taking into account the satellite spin rate,f S ≃ 17 mHz, and the efficiency of destriping algorithms(Maino et al. 2002; Keihänenetal.2005).2. Radiometer thermal fluctuations – The LFI front-end iscooled to 20 K for optimal sensitivity of the indium phosphidecryogenic amplifiers. Fluctuations in the temperatureof the 20 K cold end lead to perturbations of the radiometricdifferential signal through a complex transfer functionwhich depends on the thermal susceptibility of the activeand passive components in the LFI front-end modules andon the damping properties of the instrument thermal mass(Mennella et al. 2010). Stability requirements imposed onthe 20K sorption cooler (see Fig. 8) leadtofluctuationsinthe raw data of
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Page 3 and 4: ABSTRACTThe European Space Agency
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A&A 520, A3 (2010)Fig. 11. Schemati
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A&A 520, A3 (2010)features of the r
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A&A 520, A3 (2010)Fig. 13. Level 2
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A&A 520, A3 (2010)Fig. 15. Level 3
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A&A 520, A3 (2010)GUI = graphical u
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A&A 520, A3 (2010)23 Centre of Math
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A&A 520, A4 (2010)In addition, all
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A&A 520, A4 (2010)Table 2. Sensitiv
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A&A 520, A4 (2010)Fig. 2. Schematic
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A&A 520, A4 (2010)Fig. 6. LFI recei
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A&A 520, A4 (2010)Fig. 9. Schematic
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A&A 520, A4 (2010)Table 4. Specific
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A&A 520, A4 (2010)Fig. 15. DAE bias
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A&A 520, A4 (2010)Fig. 19. Picture
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A&A 520, A4 (2010)Table 10. Main ch
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Table 13. Principal requirements an
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A&A 520, A5 (2010)DOI: 10.1051/0004
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A. Mennella et al.: LFI calibration
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D.1. Step 1-extrapolate uncalibrate
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F. Villa et al.: Calibration of LFI
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M. Sandri et al.: Planck pre-launch
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A&A 520, A7 (2010)Fig. 8. Footprint
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-30-40-30-6-3-20A&A 520, A7 (2010)0
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A&A 520, A7 (2010)Table 4. Galactic
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A&A 520, A7 (2010)Fig. A.1. Polariz
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A&A 520, A8 (2010)inflation, giving
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A&A 520, A8 (2010)estimated from th
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A&A 520, A8 (2010)ways the most str
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unmodelled long-timescale thermally
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A&A 520, A8 (2010)Fig. 5. Polarisat
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A&A 520, A8 (2010)Table 3. Band-ave
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A&A 520, A8 (2010)where S stands fo
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A&A 520, A8 (2010)Fig. 11. Simulate
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stored in the LFI instrument model,
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A&A 520, A8 (2010)Table 5. Statisti
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A&A 520, A8 (2010)comparable in siz
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A&A 520, A8 (2010)Table B.1. Main b
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A&A 520, A8 (2010)Bond, J. R., Jaff
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A&A 520, A9 (2010)- (v) an optical
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A&A 520, A9 (2010)Fig. 2. The Russi
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A&A 520, A9 (2010)Table 3. Estimate
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A&A 520, A9 (2010)Fig. 7. Picture o
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A&A 520, A9 (2010)Fig. 9. Cosmic ra
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A&A 520, A9 (2010)Fig. 13. Principl
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A&A 520, A9 (2010)Fig. 16. Noise sp
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A&A 520, A9 (2010)Table 6. Basic ch
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A&A 520, A9 (2010)with warm preampl
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A&A 520, A9 (2010)20 Laboratoire de
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A&A 520, A10 (2010)Table 1. HFI des
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A&A 520, A10 (2010)based on the the
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A&A 520, A10 (2010)Fig. 6. The Satu
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A&A 520, A10 (2010)5. Calibration a
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A&A 520, A10 (2010)Fig. 16. Couplin
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A&A 520, A10 (2010)217-5a channel:
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A&A 520, A10 (2010)10 -310 -495-The
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P. A. R. Ade et al.: Planck pre-lau
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A&A 520, A12 (2010)Table 1. Summary
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arrangement was also constrained by
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A&A 520, A12 (2010)frequency cut-of
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A&A 520, A12 (2010)Fig. 9. Gaussian
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A&A 520, A12 (2010)the horn-to-horn
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A&A 520, A12 (2010)Fig. 15. Composi
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A&A 520, A12 (2010)Fig. 19. Broad-b
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C. Rosset et al.: Planck-HFI: polar
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of frequencies and shown to have po
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