1 / 18

PLANCK LFI N. Mandolesi Consorzio PLANCK-LFI

PLANCK LFI N. Mandolesi Consorzio PLANCK-LFI. Incontro con Prof. P. Benvenuti IASF/CNR - Sez. di Bologna, Gennaio 2004. ?. WMAP. The CMB environment , the error world and the TRUE MEASUREMENT. The issue is to measure: the known knowns, the known unknowns,

duc
Download Presentation

PLANCK LFI N. Mandolesi Consorzio PLANCK-LFI

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. PLANCK LFIN. MandolesiConsorzio PLANCK-LFI Incontro con Prof. P. Benvenuti IASF/CNR - Sez. di Bologna, Gennaio 2004

  2. ? WMAP

  3. The CMB environment, the error world and the TRUE MEASUREMENT The issue is to measure: the known knowns, the known unknowns, the unknown knowns and the unknown unknowns !

  4. PLANCK Systematics effects LFI goal: dT < 3 mK …At mK level there is much more than sidelobes and calibration! • Different • “tools” • required a • Effects due to combination of • (instrument beams) + (sky): • External straylight • Main beam reconstruction b Pointing uncertainties c • Effects generated within the satellite: • Instrument-specific non-idealities • Thermal effects from the satellite • Internal straylight

  5. 1.5 m off-axis telescope Focal Plane Unit (20K) Sun-Earth L2 Spinner, 1 rpm Launch: 2007, Ariane 5 V-grooves I/F (50, 100, 150K) Back-end Unit (300 K) Planck LFI HFI PSB InP cryogenic HEMT LNA @ 44GHz

  6. WMAP Before WMAP Planck WMAP

  7. The Planck case WMAP Models

  8. Polarisation

  9. The present data support the following inflationary models: ….and many others! HIC SUNT LEONES

  10. LFI pseudo-correlation radiometer design • Design to minimise 1/f noise impact • All channels are polarisation sensitive Sky = 2.7 K Ref. load Hybrid Hybrid f1 Sky LNAs Phase Switches f2 Reference load = 4 K 1 / 4096 sec Elegant Breadboard Sample Data Stream Prototype demonstrator

  11. 70 GHz Radiometers

  12. LFI organisation • Planck is a P.I. Mission • P.I. is N. Mandolesi IASF/CNR (Sez. Bologna) • LFI Consortium • 27 Co-Investigators (CoIs) World-Wide • Of which 7 are Italian • 92 Scientific Institutions World-Wide • Of which 25 are Italian Manpower IASF – BO: tot 22 (16 Res, 6 Tech)

  13. Planck LFI Management Structure

  14. Schedule • Planck will be launched in February 2007 • LFI is in Phase C/D with delivery of PFM to ESA planned for January 2005 • Planck PFM System tests period early 2005 to late 2006 • LFI Data Processing Centre (DPC) in Demonstration Model development phase • Operations Model phase starts March 2004 • Ground Segment System Testing period mid 2006 to late 2006

  15. LFI Funding 1/2 • Overall Industrial cost of LFI to Launch about 74 M€ • Italy 22.3 M€ Laben LFI prime contractor • USA 40 M$ (Sorption Cooler [shared with HFI] -JPL) • Finland 8.4 M€ (Millilab Front/Back ends of 70 GHz radiometers) • UK 3.1 M€ (Front end of 30-44 GHz radiometers -JBO) • Spain 3 M€ (Instrument data handling – IAC) • Spain 1.8 M€ (Back end 30- 44 GHz radiometers -Uni. di Cantabria • Norway 580 K€ (Part of EGSE) • ESA contribute 2.2M€ through component supply

  16. LFI Funding 2/2 • Other funding contributing to the DPC development: • USA (ERCSC) • Germany (level 4) • Italian funding from ASI secured up to launch only • Italian funding 1998 – 2006 (incl.) • Industry Laben 22.3 M€ • Italian Scientific Institutes 6.9 M€ for:- • Instrument development • DPC development • Planck LFI Science

More Related