PLANCK DATA PROCESSING

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PLANCK DATA PROCESSING
Torsti Poutanen, Hannu Kurki-Suonio, Elina
Keihänen, and Kari Enqvist University of
Helsinki, Department of Physical
Sciences Helsinki Institute of Physics (HIP)
Presented by Torsti Poutanen
Antares Final Seminar 30 Oct 2003
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PLANCK DATA PROCESSING
PLANCK ORBIT

• PLANCK IN-ORBIT ACTIVITY
• ANGULAR SENSITIVE RECORDING OF THE INTENSITY OF
  THE ELECTRO-
• MAGNETIC RADIATION.
• 9 FREQUENCY CHANNELS
• 70 DETECTORS
• FREQ RANGE 30 ... 857 GHz
• 1 SPIN AXIS REPOINTING PER HOUR
• SPIN RATE 1 RPM
• 2000 ... 12 000 RECORDINGS PER
• MINUTE AND PER DETECTOR
• TOTALLY FEWx100 BILLION REC.
• PER YEAR

(WMAP Science Team http//map.gsfc.nasa.gov)
Antares Final Seminar 30 Oct 2003
Torsti Poutanen
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PLANCK DATA PROCESSING
ON-GROUND DATA PROCESSING
TEAM AT HIP / DPT OF PHYSICAL SCIENCES IS ACTIVE
IN MAP - MAKING AND IN ESTIMATION OF POWER
SPECTRUM AND COSMOLOGICAL PARAMETERS
(by Max Tegmark, www.hep.upenn.edu/max/)
Antares Final Seminar 30 Oct 2003
Torsti Poutanen
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PLANCK DATA PROCESSING
TOD CMB GALAXY POINT_SOURCES NOISE
SIMPLE MAP
STRIPES REMOVED IN MAP-MAKING
POWER SPECTRUM ESTIMATE
Antares Final Seminar 30 Oct 2003
Torsti Poutanen
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PLANCK DATA PROCESSING

• INTERNATIONAL COLLABORATION
• PLANCK CTP WORKING GROUP
• ONE OF THE MANY WGS OF PLANCK COLLABORATION
• GOAL MAP-MAKING AND POWER SPECTRUM ESTIMATION
• TOOLS FOR PLANCK DATA PROCESSING PIPELINE
• MEMBER GROUPS FROM ROME, BERKELEY, PARIS,
  HELSINKI
• BIANNUAL WORKSHOPS, BIWEEKLY TELECONS
• PLANCK DATA PROCESSING CENTERS (DPC) TRIESTE,
  PARIS
• RESPONSIBLE FOR PLANCK DATA PROCESSING PIPELINE

Antares Final Seminar 30 Oct 2003
Torsti Poutanen
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PLANCK DATA PROCESSING

• PUBLICATIONS
• MAP MAKING
• Keihänen E., Kurki-Suonio H., Poutanen T., Maino
  D., and Burigana C.
• A maximum likelihood approach to the destriping
  technique, submitted to
• AA, astro-ph/0304411.
• POWER SPECTRUM ESTIMATION
• Poutanen T., Maino D., Kurki-Suonio H., Keihänen
  E., and Hivon E.
• Cosmic Microwave Background Power Spectrum
  Estimation with the
• Destriping Technique, under preparation.

Antares Final Seminar 30 Oct 2003
Torsti Poutanen