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• HFI design, qualification, and performance
  ...entered at 100, 143, 217, 353, 545 and 857 GHz, thanks to a thermo-optical design consisting of three corrugated horns and a set of compact reflective filter The whole satellite is organized to provide thermal transitions between its warm part exposed to the sun and earth radiation, a
  5 KB (778 words) - 15:28, 22 July 2014
• LFI design, qualification, and performance
  ...te waveguides{{BibCite|darcangelo2009a}} are interfaced with three conical thermal shields and connect the front-end modules to the warm (~300 K) back-end uni ...focal area, the other on the 300 K portion of the Planck satellite. These design features allow the entire front-end LNAs dissipation to be <0.55 W, which e
  50 KB (7,790 words) - 10:04, 23 July 2014
• TOI processing LFI
  ...r each pointing period this factor is computed using (see eq. (3) in [[LFI design, qualification, and performance#Radiometer Chain Assembly (RCA)|LFI]] descr ...and <math> \sigma_1 </math>, for the pair of diodes (see eq. (6) in [[LFI design, qualification, and performance#Radiometer Chain Assembly (RCA)|LFI]] descr
  31 KB (4,941 words) - 15:14, 23 July 2014
• HFI cryogenics
  ...between the dilution cold end and the bolometer optical plate. It gives a thermal time constant of several hours between these stages. A second regulation sy [[Image:HFI_2_4_1_overal_cryo.jpg|thumb|500px|center|Thermal architecture of Planck/HFI]]
  5 KB (747 words) - 15:36, 22 July 2014
• References
  title = {Planck early results. II. The thermal performance of Planck}, title = {Planck early results. XXV. Thermal dust in nearby molecular clouds},
  174 KB (25,501 words) - 09:16, 10 July 2014
• HFI cold optics
  [[Image:HFI_2_4_1_JML_ColdOptics.png|thumb|500px|center|Mechanical and thermal structure of the HFI focal plane unit.]] In order to meet with straylight, beam shapes and filtering requirements, a design using feedhorn coupled detectors has been chosen, with a triple horn confi
  25 KB (3,767 words) - 15:43, 22 July 2014
• HFI detection chain
  to monitor thermal noise (dark bolometers). * and a weak thermal link to a thermal sink, to which the bolometer is attached.
  13 KB (2,126 words) - 15:54, 22 July 2014
• HFI operations timeline
  * '''therm''' : refers to satellite events that might have a thermal impact on the HFI * '''solar flare''' : refers to all solar events as detected by a thermal fluctuation on the HFI bolometer plate
  27 KB (2,770 words) - 20:16, 17 March 2013
• References2
  title = {Planck 2013 results: All-sky model of thermal dust emission}, title = {Simulation of the Planck-HFI thermal control system},
  41 KB (5,629 words) - 13:51, 18 July 2014
• LFIAppendix
  ...each component of the LFI instrument, briefly described in the main [[LFI design, qualification, and performance|LFI instrument]] page. ...led corrugated horns have been selected at all LFI frequencies as the best design in terms of shape of the main lobe, level of the side lobes, control of the
  59 KB (9,067 words) - 10:10, 23 July 2014
• LFI overview
  {{DISPLAYTITLE:LFI design, qualification and performance}} ...g|thumb|center|600px|'''Figure 1. Left Panel: the LFI instrument with main thermal stages, focal plane, waveguides and sorption cooler piping highlighted. Rig
  3 KB (479 words) - 16:15, 22 July 2014
• The spacecraft
  ...d radiative cooling; and three conical “V-groove” baffles that provide thermal and radiative insulation between the warm service module and the cold teles ...arious equipment and instruments housed in it with suitable mechanical and thermal environments during launch and orbit. It is formed by an octagonal box, bui
  14 KB (2,142 words) - 14:23, 22 July 2014