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  • The HFI / LFI common processing uses as basic input the maps at the nine frequencies covered by the two ins ...code (of a particular theoretical <i>C</i><sub>&#8467;</sub> given Planck data).
    675 bytes (92 words) - 09:44, 10 July 2018
  • == HFI spectral response, pre-flight spectral characterization, data processing, and Fourier transformation == ...and can thus be averaged together. An example of a combined interferogram data set is illustrated in the figure below, where the central portions of the r
    8 KB (717 words) - 08:00, 10 December 2014

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  • The Explanatory Supplement is a reference text accompanying the public data products which result from the European Space Agency’s Planck mission, an There are have been four major data releases of Planck products:
    8 KB (994 words) - 08:41, 4 December 2023
  • ...requency amplification stage, detector diodes, and all the electronics for data acquisition and bias supply. ...less hydrogen sorption cooler, which also provides 18 K pre-cooling to the HFI helium J-T cooler. Two sorption cooler units are included in the flight har
    50 KB (7,843 words) - 15:28, 4 July 2018
  • ...o as a “ring”. This redundancy plays a key role in the analysis of the data, and is an important feature of the scan strategy. ...ns (circle), the end of the nominal mission (triangle), and the end of HFI data acquisition (diamond). The orbital periodicity is 6 months. The distance fr
    37 KB (5,882 words) - 09:23, 10 July 2018
  • ...ought to ground in a daily pass of approximately 3 h duration. Besides the data downloads, the passes also acquire realtime HK and a 20 min period of real- ...proved the situation such that gaps are much rarer, with a total impact on data return well below 1 ppm.
    4 KB (711 words) - 19:15, 17 March 2013
  • PSO processing during the mission was mostly related with mission planning and instrument ...eratures for the subsystems of the two instruments and, in the case of the HFI, glitch rates. The purpose of these reports was three fold:
    3 KB (444 words) - 16:04, 21 May 2014
  • ...ed by the LS, while L4 refers to delivering the DPC products to ESA. This processing relies on dedicated software and hardware infrastructures developed pre-lau ...ompanion papers provide the reference for the processing done for the 2013 data release.
    4 KB (627 words) - 01:28, 23 May 2015
  • ...etry handling]] • [[Pre-processing LFI#Auxiliary data handling|Auxiliary data handling]]'' ; [[TOI_processing LFI| TOI processing]]: ''[[TOI_processing LFI#Overview|Overview]] • [[TOI_processing LFI#ADC
    8 KB (1,104 words) - 15:32, 4 July 2018
  • ...ines with the same algorithms (and when possible, codes) as for the flight data. * 1000 realizations of lensed scalar CMB convolved with effective beams per HFI frequency,
    114 KB (17,146 words) - 09:49, 21 February 2022
  • The 2015 compact source catalogues will not be regenerated using data from the 2018 release and remain the most up-to-date products. ...east eight observations for LFI channels or at least four observations for HFI channels. The relevant properties of the frequency maps and main parameters
    142 KB (20,039 words) - 12:58, 26 January 2021
  • {{DISPLAYTITLE:HFI HEALPix rings}} ...eriod onto a band of HEALPix map pixels. As a result of this binning, the data volume is reduced by nearly a factor of 20
    3 KB (419 words) - 08:50, 10 July 2018
  • ...e the instrument-specific pipelines that were developed to run at the Data Processing Centres and that interface the local databases, NPIPE can be installed and ...ist of the main differences between the 2018 (PR3) release and NPIPE (PR4) processing.
    8 KB (1,239 words) - 11:51, 22 June 2021
  • combining the sources detected by HFI at any frequency between 100 and 353GHz with the SZ and ERCSC sources catal ...product. In particular any limitations and approximations used in the data processing should be listed. Avoiding detailed descriptions of methods and referring t
    3 KB (478 words) - 18:38, 26 February 2013
  • ...it is obtained, followed by a description of the FITS file containing the data and associated information. ...for characterisation purposes, we include four other sets of maps from two data splits: odd/even ring and first/second half-mission. Half-difference maps c
    124 KB (18,807 words) - 18:58, 20 March 2023
  • **''HFI'' - For a single detector, the absolute calibration is the gain factor betw * '''detector set''': for HFI, a detector set (also known as "detset" or "quad") is a combinaison of two
    7 KB (1,093 words) - 06:30, 24 May 2015
  • ...mission, and who participate in the scientific exploitation of the Planck data during the proprietary period, which nominally ends with the release of the *The HFI Consortium, Principal Investigator J.L. Puget of the Institut d'Astrophysiq
    9 KB (1,372 words) - 08:30, 21 September 2012
  • In terms of data processing, the HFI ground segment handles two types of data, both made available via the MOC: * telemetry data transmitted from the satellite, coming from the different subsystems of the
    13 KB (1,990 words) - 07:23, 5 July 2018
  • ...PlanckPapers|planck2014-a03}} and {{PlanckPapers|planck2016-l02}}, and for HFI, to {{PlanckPapers|planck2014-a08}}. * "Semi-raw" TOIs consists of minimally processed data (in Volt units)
    40 KB (6,006 words) - 11:30, 22 June 2021
  • ...and a variance map. All maps are in Healpix format, with Nside of 2048 for HFI and of 1024 for LFI, in Galactic coordinates, and Nested ordering. The thr ...lpix Nside of the map, the optional ''type'' indicates the subset of input data used, and ''mission'' indicates the coverage period, i.e., ''full'', ''nomi
    5 KB (484 words) - 10:47, 18 October 2012
  • ...interesting for characterisation purposes (see also the [[HFI-Validation | data validation]] section). The details of the start and end of the time ranges To help in further processing, there are also masks of the Galactic Plane and of point sources, each prov
    45 KB (6,563 words) - 06:51, 27 May 2016
  • {{DISPLAYTITLE:HFI Mapmaking and photometric calibration}} ...overview of the mapmaking and the calibration procedures used to build the HFI maps.
    31 KB (4,938 words) - 07:44, 18 January 2019
  • Where DPC is one of HFI or LFI, x_x_x_x the section number for the page where the image will be dis ...would be named ''LFI_2_3_someName.png'' and a jpeg figure uploaded by the HFI to be displayed in section 6.4.3.1 would be named ''HFI_2_3_someOtherName.j
    31 KB (5,455 words) - 18:41, 16 March 2013
  • = HFI Detector Spectral Response = ...dband Fourier transform spectrometer (FTS) measurements conducted with the HFI focal plane assembly as described above, and includes a waveguide model for
    58 KB (7,853 words) - 15:51, 5 October 2012
  • ...apers|planck2014-a08}}). There are two RIMOs, one for each instrument (the HFI RIMO consists of several parts), which follow the same overall structure, b The type of data in the RIMO can be of several forms.
    38 KB (5,921 words) - 11:50, 22 June 2021
  • ...elease), the main change with respect to 2015 has been in the selection of data: the last 955 pointings (or rings) have not been used because they have bee Detailed explanations of each stage of the TOI processing are given in various papers, referenced in the diagram below (taken from {{
    20 KB (3,054 words) - 14:18, 2 July 2018
  • data of a quality adequate to measure the CMB signal and distinguish it from oth all the data into usable scientific products. At the end of the mission the consortia de
    13 KB (2,044 words) - 09:08, 21 August 2013
  • ...diation from the sky onto a focal plane shared by detectors of the LFI and HFI, operating at 20K and 0.1K respectively; a telescope baffle that simultaneo |'''On-board data storage capacity'''
    14 KB (2,170 words) - 09:29, 21 May 2014
  • ...g (HK) data acquired by the satellite during the past 24 h. The downlinked data were typically 8 h; at MOC they were put onto a data server from
    21 KB (3,189 words) - 09:23, 10 July 2018
  • ...he [[The LFI DPC|LFI]], and also the [[HFI/LFI joint data processing|joint processing]].
    337 bytes (57 words) - 09:33, 10 July 2018
  • [[Category:HFI data processing|007]]
    189 bytes (27 words) - 15:16, 4 February 2015
  • {{DISPLAYTITLE:Pre-processing}} The first processing level of the LFI DPC is Level 1. The input data for the Level 1 software includes:
    15 KB (2,441 words) - 15:41, 4 July 2018
  • The HFI dilution cooler cools the bolometers down to 0.1 K through ...FI_2_4_1_overal_cryo.jpg|thumb|500px|center|Thermal architecture of Planck-HFI.]]
    5 KB (754 words) - 07:49, 6 July 2018
  • * spectra of the PR2 and the PR3 data splits, * comparison of the FFP10 simulations and the PR3 data.
    6 KB (1,057 words) - 08:40, 3 July 2018
  • {{DISPLAYTITLE:HFI simulations}} ...ines with the same algorithms (and when possible, codes) as for the flight data.
    29 KB (4,250 words) - 13:56, 2 July 2018
  • The conversion was applied to the input pointing data, prior to the construction of the map. ...solution data set is therefore required for the low-&#8467; analysis. This data set has been packed into three different files, one per frequency, called "
    21 KB (3,331 words) - 16:04, 6 July 2018
  • The HFI / LFI common processing uses as basic input the maps at the nine frequencies covered by the two ins ...code (of a particular theoretical <i>C</i><sub>&#8467;</sub> given Planck data).
    675 bytes (92 words) - 09:44, 10 July 2018
  • The main product to express cosmological constraints imposed by Planck data is a likelihood code. One of its by-products is the derived maximum-likelih [[Category:HFI/LFI joint data processing|004]]
    675 bytes (89 words) - 06:35, 12 January 2017
  • ...ing strategy, coupled to the beam asymmetries in the focal plane, and data processing of the bolometer and radiometer TOIs, the resulting Planck effective beams * create a data object of all beams pointed at all <i>N</i><sub>pix</sub> directions of pix
    23 KB (3,593 words) - 15:15, 9 November 2018
  • title = {Planck 2013 results: The Low Frequency Instrument data processing (p02)}, title = {Planck 2013 results: High Frequency Instrument Data Processing (p03)},
    173 KB (25,381 words) - 15:29, 4 June 2014
  • The Level S (<tt>LS</tt> in short) is a generic simulation tool common to HFI and LFI. One version was described in [[ref to the old LS paper]]. It can t ...more extensive instrument specific simulation environment. For HFI, see [[HFI-Validation#sims]].
    5 KB (779 words) - 16:03, 21 May 2014
  • To support the interpretation of these data, these products are accompanied by: * instrument-level data (beam properties, noise levels, bandpass profiles, and more) compiled into
    3 KB (438 words) - 21:53, 4 July 2015
  • ..._ColdOptics.png|thumb|500px|center|Mechanical and thermal structure of the HFI focal plane unit.]] A detailed description of the HFI optical design and beam performance is given in {{PlanckPapers|maffei2010}}
    25 KB (3,795 words) - 07:52, 6 July 2018
  • ...olour-correction protocol for Planck/HFI, based on the measurements of the HFI detector chain spectral response (see {{PlanckPapers|planck2013-p03d}} and == HFI Spectral Response ==
    23 KB (1,443 words) - 07:19, 18 January 2019
  • ...version of the catalogue (PCCS2) has been produced using the full mission data obtained between 13 August 2009 and 3 August 2013, as described in {{Planck ...s) and PCCS2 (Full Mission with 48 months of LFI data and 29 months of HFI data);</li>
    26 KB (4,040 words) - 02:01, 2 July 2018
  • ##[[HFI design, qualification, and performance|HFI design, qualification, and performance]] <span style="color:red">(Lamarre/P #[[Data processing|Data processing]]
    2 KB (265 words) - 17:39, 25 January 2013
  • The heart of the HFI - the detectors - are bolometers, solid-state devices in which the The HFI Focal Plane Unit accommodates sub-millimitre absorbing
    15 KB (2,424 words) - 21:36, 19 June 2018
  • ...ls of the beam processing are given in the respective sections for [[Beams|HFI]] and [[Beams_LFI|LFI]]. ...and HFI ({{PlanckPapers|planck2013-p03c}}) papers. Relevant details of the processing steps are given in the [[Beams|Effective Beams]] section of this document.
    67 KB (9,735 words) - 02:01, 22 March 2018
  • ...rs|planck2016-l03}}, describes the most important characteristics of the HFI maps. = Previous Releases: (2013) and (2015) HFI data characteristics =
    1,004 bytes (131 words) - 08:57, 3 July 2018
  • ##[[HFI design, qualification, and performance|HFI design, qualification, and performance]] <span style="color:red">(Lamarre/P #[[Data processing|Data processing]]
    6 KB (770 words) - 17:33, 29 January 2013
  • == HFI spectral response, pre-flight spectral characterization, data processing, and Fourier transformation == ...and can thus be averaged together. An example of a combined interferogram data set is illustrated in the figure below, where the central portions of the r
    8 KB (717 words) - 08:00, 10 December 2014
  • * '''BTB''' : Back To Back (HFI horns) * '''CDMS''' : Command and Data Management System
    7 KB (738 words) - 22:33, 1 July 2018
  • There are 54 files; 6 HFI bands x 5 surveys & 3 LFI bands x 8 surveys. They are named: The files themselves are in FITS format, and gzipped, with data in the first extension
    2 KB (375 words) - 02:30, 22 February 2017
  • ...inner wall of the mainframe (the wall facing the HFI instrument) from the HFI side. 44 and 30 GHz FEMs are inserted into the main frame from the WG side ...bout 0.1&deg; ; the corresponding precision is approximately 1&deg; in the HFI polarimeters. The temperature stability requirement values are also given i
    60 KB (9,314 words) - 08:48, 2 January 2015
  • == HFI maps power spectra == ...the data, and therefore determine the best cosmological models fitting the data. Several examples of such high-<math>\ell</math> likelihoods are described,
    25 KB (3,718 words) - 15:37, 18 July 2014
  • ...ery stable conditions during the whole mission, and practically all of the data were correctly recorded. The extreme sensitivity provided by the 100 mK bolometers and the HFI architecture provided a new view of the submillimetre and millimetre sky, w
    5 KB (674 words) - 14:36, 2 July 2018
  • ...nckPapers|planck2016-l04}} (and references therein), give details of these processing steps. Four separate component-separation methods are used, which we now d ...al observations from WMAP and Haslam. For the reduction of the Planck 2018 data set, which includes only full-frequency maps, a simpler model is employed,
    16 KB (2,572 words) - 10:22, 10 July 2018
  • The CMB data are in thermodynamic temperature units (uK_cmb), and the residuals are in t ...applied to Planck simulations Leach et al., 2008 and to WMAP polarisation data Fernandez-cobos et al., 2012. In the cleaning process, no assumptions about
    7 KB (1,103 words) - 18:38, 1 March 2013
  • == HFI Unit Conversion Tables == ...nstances), including uncertainty estimates based on the uncertainty of the HFI detector spectral response. The derivation of the unit conversion coeffici
    77 KB (2,387 words) - 14:23, 24 November 2017
  • ...is delivered as a tarfile and contains a detailed instruction manual. The data and software file requirements are provided below along with basic use inst ...>: a routine to get the desired detector level spectral transmission data (HFI) and output in a structure format used by the other routines.
    29 KB (4,821 words) - 09:34, 10 July 2018
  • This is a list of all annexes for the HFI instrument section. ** [[HFI_optical_efficiency|HFI spectral response optical efficiency measurements]];
    812 bytes (97 words) - 06:52, 10 December 2014
  • ...truction of the spatial response for the Planck High Frequency Instrument (HFI) is informed by observation of planets. Furthermore, observations of Uranus ...d time response function, and the software low-pass filter, applied to the data. The "effective beam" represents the averaging of the signal due to the sca
    53 KB (8,689 words) - 15:07, 2 July 2018
  • ...it is obtained, followed by a description of the FITS file containing the data and associated information. ...his data release, to fully characterize the large-scale residuals from the data or from simulations. Therefore all results published by the Planck Collabor
    73 KB (10,660 words) - 08:15, 21 August 2016
  • * 2013-05-21, Jaffe, [[Detector_pointing|HFI Detector Pointing]]: Changes from Reijo Keskitalo and others. <span style=" ...processing]], [[Spectral response]], [[HFI-Validation]], [[Summary of HFI data characteristics]], [[Compact Source catalogues]], [[The RIMO]], [[Effective
    12 KB (1,788 words) - 08:42, 25 September 2014
  • ...detectors are known exactly a priori, we must calibrate them using flight data. ...ar as our ability to predict their effects is concerned. In this delivery HFI used a model (described below) to follow the pointing drift continuously,
    5 KB (746 words) - 13:21, 12 January 2018
  • ##[[HFI design, qualification, and performance|HFI design, qualification, and performance]] #[[Data processing]]
    5 KB (581 words) - 09:33, 31 March 2014
  • ...04-15: Moneti: Added info on HFI Planet TOIs in [[Timelines | Time ordered data]] (APPROVED, IN PLA, ES PAGE PUBLIC) ...ott: finished fixing style in [[Map-making]], [[Spectral_response]], and [[HFI-Validation]]
    6 KB (842 words) - 00:29, 7 April 2018
  • Instrument (LFI), and a SAMBA-like High Frequency Instrument (HFI), instruments, as well as the ensuing data analysis
    15 KB (2,330 words) - 12:43, 17 July 2018
  • ...Temperature beam window functions for polarized and unpolarized detectors (HFI PSB and SWBs) ==== ...the HEALPix resolution parameter <i>N</i><sub>side</sub> (=2048 for Planck HFI maps).
    11 KB (1,796 words) - 11:47, 22 June 2021
  • ...diation from the sky onto a focal plane shared by detectors of the LFI and HFI, operating at 20K and 0.1K, respectively; a telescope baffle that simultane |'''On-board data storage capacity'''
    30 KB (4,647 words) - 09:23, 10 July 2018
  • ##[[HFI design, qualification, and performance|HFI design, qualification, and performance]] ##[[Data flow overview|Data flow overview]] (<span style="color:red">Leonardi</span>,<span style="color
    6 KB (744 words) - 09:45, 31 March 2014
  • The heart of the HFI - the detectors - are bolometers, solid-state devices in which the The HFI Focal Plane Unit accommodates sub-millimiter absorbing
    13 KB (2,128 words) - 15:29, 4 June 2014
  • ;calibration [HFI meaning]: For a single detector, the absolute calibration is gain factor be ;detector set [HFI meaning]: a detector set (aka detset aka quad) is a combinaison of two pair
    10 KB (1,542 words) - 09:41, 2 February 2018
  • ...are averaged and transmitted to the ground. The TOI data delivered in the HFI products are made up of these averaged values, with the raw signal of a bol ..., since the users should not expect to be able to improve this part of the processing.
    1 KB (169 words) - 14:55, 23 May 2015
  • ...interesting for characterization purposes (see also the [[HFI-Validation | data validation]] section), though some are also useful for the study of source For this (2018) release, HFI is providing a more limited subset of maps that include the full channel ma
    133 KB (19,918 words) - 11:57, 14 December 2022
  • ...it is obtained, followed by a description of the FITS file containing the data and associated information. ...we do not release parametric temperature foreground products from the 2018 data set, but rather recommend continued usage of the 2015 temperature model. Fo
    107 KB (15,543 words) - 17:33, 22 October 2021
  • This page is intented to provide complementary figures to those of the 2017 HFI DPC paper ({{PlanckPapers|planck2016-l03}}). ...unction of ring numbers. Blue line shows the solved gain variation for the data and grey ones show 10 realizations drawn within the uncertainties of the AD
    7 KB (1,208 words) - 11:31, 28 November 2017
  • ...arts is intended to allow users to use the existing products to create new data. ...g the user with several tools to create a map cutout from the time-ordered data.
    61 KB (9,846 words) - 08:09, 27 August 2019
  • * [[Planets related data | Planet-related data]] To support the interpretation of these data, these products are accompanied by:
    3 KB (425 words) - 12:19, 12 July 2018
  • {{DISPLAYTITLE:HFI systematic effects}} ...es that needed to be tracked to verify that they were not compromising the data. While these are discussed in appropriate sections, here we gather the syst
    10 KB (1,498 words) - 07:38, 18 January 2019
  • ...mplates; and the second iteration applies these and other corrections. HFI processing includes cosmic-ray glitch removal and bolometric transfer-function deconvo [[File:Preproc_hfi.png|800px|frameless|left|HFI preprocessing subpipeline]]
    1 KB (151 words) - 11:15, 22 June 2021
  • ...PLA as agreed between ESA and the BeyondPlanck project reprocessing Planck data. Please note that these products have not been produced by the Planck Colla .../wiki.cosmos.esa.int/planck-legacy-archive/index.php/Main_Page Planck LFI] data within a self-consistent end-to-end Bayesian framework, in which both instr
    25 KB (3,590 words) - 09:35, 15 February 2023
  • ...n the PLA as agreed between ESA and the Sroll2 project reprocessing Planck data. Please note that these products have not been produced by the Planck Colla ...ssociated errors have also been corrected based on the redundancies in the data and their residual levels characterized with simulations.
    10 KB (1,475 words) - 11:48, 13 June 2023