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• Main Page
  ##[[LFI overview|LFI design, qualification, and performance]]<span style="color:red"></span> ###[[LFI design, qualification, and performance#LFIDescription| Instrument descripti
  6 KB (669 words) - 21:21, 6 August 2018
• LFI design, qualification, and performance
  ...to the warm (roughly 300 K) back-end unit (BEU) containing a further radio frequency amplification stage, detector diodes, and all the electronics for data acqu Best LFI noise performance is obtained with receivers based on InP High Electron Mob
  50 KB (7,826 words) - 22:29, 4 February 2015
• Survey scanning and performance
  ...e from the spin axis. 545 GHz, 857 GHz, and 143 GHz bolometers, as well as LFI radiometers 25 and 26 had a slightly smaller bore-sight angle, while the ot ...scanning direction, in order to provide finer sky sampling for the highest frequency detectors when combining two years of observations.
  17 KB (2,543 words) - 16:31, 3 February 2015
• The HFI DPC
  ...ps at specific frequencies into more scientific products, like catalogues, maps, and spectra of astrophysical components. L3 can rely on simulation provide ...ze:150%">'''Level 2: converting temporal information into clean calibrated maps'''</span>
  4 KB (627 words) - 13:09, 7 July 2015
• The LFI DPC
  ...telemetry handling|Housekeeping telemetry handling]] • [[Pre-processing LFI#Auxiliary data handling|Auxiliary data handling]]'' ...Calibration]] • [[TOI_processing LFI#Noise|Noise]] • [[TOI_processing LFI#References|References]] ''
  8 KB (1,072 words) - 20:27, 4 February 2015
• Simulation data
  The 2015 Planck data release is supported by a set of simulated maps of the sky, by astrophysical component, and of that sky as seen by Planck ( * 18 full mission sky simulated maps: two sets of sky maps with and without bandpass corrections applied.
  46 KB (7,032 words) - 12:02, 29 March 2016
• Product Table for PLAv2
  ...color in the products category name, e.g. <span style="color:Blue">1 year maps</span>). Please check this in the tables and let me know whether there are |rowspan="3" align="center" | LFI
  83 KB (8,209 words) - 12:21, 5 February 2015
• Catalogues
  ...single-frequency source catalogues extracted from the Planck full-mission maps in intensity and polarization (LFI_SkyMap_0??_1024_R2.01_full.fits and HFI_ ...4 observations for HFI channels. The relevant properties of the frequency maps and main parameters used to generate the catalogues are summarized in Table
  72 KB (10,038 words) - 08:40, 24 October 2016
• CMB spectrum & Likelihood Code
  ...f Planck 2015 temperature data between 30 and 857 GHz, the 9-year WMAP sky maps, and the 408-MHz Haslam et al. (1982) survey, including 93% of the sky ({{P ...{{PlanckPapers|planck2014-a13}} by optimally combining the spectra in the frequency range 100-217 GHz, and correcting them for unresolved foregrounds using the
  61 KB (9,011 words) - 08:06, 15 May 2017
• Glossary
  **''LFI'' - absolute calibration refers to the 0th order calibration for each chann * '''DMC''': Data Management Component, the databases used at the HFI and LFI DPCs.
  7 KB (1,093 words) - 13:07, 7 July 2015
• Timelines
  ...the value of that quantity as a function of time during the mission. For LFI, refer to {{PlanckPapers|planck2014-a03}}, and for HFI, to {{PlanckPapers|p ...here are sampled regularly at the (instrument dependent) detector sampling frequency and span the full science mission. They thus consist of a large amount of
  28 KB (4,415 words) - 18:43, 21 August 2015
• Single detector maps
  ! There are no single detector maps in the first release. ...of 1024 for LFI, in Galactic coordinates, and Nested ordering. The three maps will be packaged into a FITS files with a single ''BINTABLE'' extension con
  5 KB (484 words) - 10:47, 18 October 2012
• Sky temperature maps
  {{DISPLAYTITLE:2015 Sky temperature and polarization maps}} ...are provided for the full Planck mission using all valid detectors in each frequency channel, and also for various subsets by splitting the mission in various t
  45 KB (6,681 words) - 11:55, 16 May 2017
• HelpForBook
  ...user interested in frequency maps may also be interested in other types of maps. Where DPC is one of HFI or LFI, x_x_x_x the section number for the page where the image will be displayed
  31 KB (5,455 words) - 18:41, 16 March 2013
• The RIMO
  ...th the released data products. It is described in detail in ''The HFI and LFI RIMO ICD'' (ref). See also {{PlanckPapers|planck2014-a03}} and {{PlanckPap ; LFI 2015 RIMO: {{PLASingleFile|fileType=rimo|name=LFI_RIMO_R2.50.fits|link=LFI_
  14 KB (2,168 words) - 09:15, 8 March 2017
• Map-making LFI
  The main output consists of temperature and polarization maps. LFI maps were constructed with the MADAM mapmaking code, version 3.7.4.
  26 KB (3,949 words) - 15:33, 1 March 2017
• Beams LFI
  LFI observed the sky with 11 pairs of beams associated with the 22 pseudo-corre ...} (see also [[LFI design, qualification, and performance#Naming Convention|LFI naming convention]]).
  24 KB (3,748 words) - 10:02, 26 September 2016
• Scanning Beams
  == LFI beams == ...assuming a flat spectrum of the incoming radiation. The Stokes parameters maps contain the complete information about the field intensity and polarization
  6 KB (827 words) - 14:33, 15 April 2015
• References
  title = {Planck 2013 results: The Low Frequency Instrument data processing (p02)}, title = {Planck 2013 results: LFI systematic uncertainties (p02a)},
  173 KB (25,381 words) - 15:29, 4 June 2014
• LFI-Validation
  ...validation is critical at each step of the analysis pipeline. Much of the LFI data validation is based on null tests. Here we present some examples from ...ion and half-ring levels, for single detectors, horns, horn pairs and full frequency complements. Where possible, map differences are generated in <i>I</i>, <i
  10 KB (1,699 words) - 13:37, 19 September 2016

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