Planck Planck

Report on the status of the mission Report on the status of the mission

Carlo Baccigalupi, SISSACarlo Baccigalupi, SISSA

Outline Outline

CMBCMB The Planck satellite The Planck satellite Data processing centerData processing center Expectations from Planck Expectations from Planck Planck dataPlanck data

CMBCMB

CMB anisotropiesCMB anisotropies

T(n), Q(n), U(n), V(n)

aTlm, aE

lm, aBlm

Cl=Σm (almT,E,B)(alm

T,E,B)*/2(l+1)

spherical harmonics

informationcompression

CMB angular power spectrumCMB angular power spectrum

Angle ≈ 200/l degrees

CMB angular power spectrumCMB angular power spectrum

Angle ≈ 200/l degrees

Primordial power

Gravity waves

Acoustic oscillations

Reionization

Lensing

Measured CMB anisotropiesMeasured CMB anisotropies

Angle ≈ 200/l degrees

CMB angular power spectrumCMB angular power spectrum

boomerang

acbar

WMAP

quad

Cosmological concordance modelCosmological concordance model

Cosmological concordance modelCosmological concordance model

Cosmological concordance modelCosmological concordance model

The Planck satelliteThe Planck satellite

Source: Planck scientific program bluebook, Source: Planck scientific program bluebook, available at www.rssd.esa.int/Planckavailable at www.rssd.esa.int/Planck

PlanckPlanck Hardware: ~600 ME, third generation Hardware: ~600 ME, third generation

CMB probe, ESA medium size CMB probe, ESA medium size mission, NASA (JPL, Pasadena) mission, NASA (JPL, Pasadena) contribution on cooling systemscontribution on cooling systems

Low Frequency Instrument (LFI, Low Frequency Instrument (LFI, Nazareno Mandolesi PI, instrument Nazareno Mandolesi PI, instrument design and construction supervised by design and construction supervised by Marco Bersanelli) based on radiometer Marco Bersanelli) based on radiometer technology operating at three technology operating at three frequency channels, 30, 44, 70 GHzfrequency channels, 30, 44, 70 GHz

High Frequency Instrument (HFI, High Frequency Instrument (HFI, Jean-Loup Puget PI) based on Jean-Loup Puget PI) based on bolometer technology, operating at bolometer technology, operating at 100, 143, 217, 353, 545 GHz100, 143, 217, 353, 545 GHz

About 16 years (1993-2009) of design About 16 years (1993-2009) of design and constructionand construction

The Planck focal planeThe Planck focal plane

Planck detectorsPlanck detectors

Planck frequency coveragePlanck frequency coverage

The Planck launch, May 14The Planck launch, May 14thth, 2009, 2009

Planck coolingPlanck cooling

Data processing centerData processing center

Planck contributorsPlanck contributors

Davies

Berkeley

Pasadena

Minneapolis

Rome

HelsinkiCopenhagenBrighton

Oviedo

SantanderPadua

Bologna

TriesteMilan

ParisToulouse

Oxford

CambridgeMunich

Heidelberg

Bucarest

Planck data processing centersPlanck data processing centers

TriesteParis

Data flow and analysis levelsData flow and analysis levels

Level 1, telemetry, Level 1, telemetry, timeline processing, timeline processing, calibrationcalibration

Level 2, map-makingLevel 2, map-making Level 3, multi-Level 3, multi-

frequency analysis, frequency analysis, production of Galactic, production of Galactic, extra-Galactic and extra-Galactic and CMB science productsCMB science products

Mission Operation Center, Darmstadt

TriesteLFI timeline processing and map-making

ParisHFI timeline processing and map-making

Map exchange, separation of astrophysical foreground and backgrounds, Galactic, extra-Galactic astrophysics, CMB science

Trieste, time ordered data processing, Component separation, cosmological parameters

Rome, GLS map-making, power spectra, cosmological parameters

Bologna, beam reconstruction, power spectra, cosmological parameters

The LFI DPCThe LFI DPC

Helsinki, destriper map-makingMilano, calibration, component separation

Berkeley, simulations

Padova, component separation

Planck DPC facilitiesPlanck DPC facilities

DPC people physically in DPC people physically in Trieste are about 20 at Trieste are about 20 at OATs and SISSAOATs and SISSA

The data are hosted on two The data are hosted on two computers, ENT (OATs, computers, ENT (OATs, front-end database and front-end database and computing resource, 256 computing resource, 256 CPUs, hundreds of GB CPUs, hundreds of GB RAM, tens of TB disk RAM, tens of TB disk space), HG1 (SISSA, space), HG1 (SISSA, computing resources, 160 computing resources, 160 CPUs, hundreds of GB CPUs, hundreds of GB RAM, tens of TB disk space)RAM, tens of TB disk space)

Planck milestonesPlanck milestones May 14May 14thth, 2009, launch, the High , 2009, launch, the High

Frequency Instrument (HFI, bolometers) Frequency Instrument (HFI, bolometers) is on is on

June 1June 1stst, 2009, active cryogenic systems , 2009, active cryogenic systems are turned onare turned on

June 8June 8thth, 2009, the Low Frequency , 2009, the Low Frequency Instrument (LFI, radiometers), is turned onInstrument (LFI, radiometers), is turned on

Summer 2009, Planck gets to L2, survey Summer 2009, Planck gets to L2, survey begins, 14 monthsbegins, 14 months

2 years of proprietary period and data 2 years of proprietary period and data analysisanalysis

Early papers on extra-Galactic Early papers on extra-Galactic astrophysics, early 2011astrophysics, early 2011

Complete results including cosmology, Complete results including cosmology, end of 2012end of 2012

Mission extended! Survey doubled, Mission extended! Survey doubled, beginning October 2010, ending end of beginning October 2010, ending end of 20112011

Expectations from PlanckExpectations from Planck

Source: Planck scientific program bluebook, Source: Planck scientific program bluebook, available at www.rssd.esa.int/Planckavailable at www.rssd.esa.int/Planck

Planck deliverablesPlanck deliverables All sky maps in total All sky maps in total

intensity and polarization, intensity and polarization, at 9 frequencies between at 9 frequencies between 30 and 857 GHz30 and 857 GHz

Angular resolution from Angular resolution from 33’ to 7’ between 30 and 33’ to 7’ between 30 and 143 GHz, 5’ at higher 143 GHz, 5’ at higher frequenciesfrequencies

S/N ≈ 10 for CMB in total S/N ≈ 10 for CMB in total intensity, per resolution intensity, per resolution elementelement

Catalogues with tens of Catalogues with tens of thousands of extra-thousands of extra-Galactic sourcesGalactic sources

CMB imagingCMB imaging

CMB polarizationCMB polarization

Probing next generation CMB goalsProbing next generation CMB goals

Cosmological parametersCosmological parameters

Non-CMB Planck scientific deliverablesNon-CMB Planck scientific deliverables

~10~1033 galaxy clusters galaxy clusters ~10~1044 radio and infrared extra-Galactic radio and infrared extra-Galactic

sourcessources Unprecedented insight into the physics of Unprecedented insight into the physics of

diffuse gas in the Galaxy, Galactic diffuse gas in the Galaxy, Galactic magnetic field, …magnetic field, …

……

Planck dataPlanck data

First light surveyFirst light survey

First light surveyFirst light survey

First light surveyFirst light survey

First year surveyFirst year survey

First year surveyFirst year survey

May 14May 14thth, 2009, launch, the High Frequency Instrument , 2009, launch, the High Frequency Instrument (HFI, bolometers) is on (HFI, bolometers) is on

June 1June 1stst, 2009, active cryogenic systems are turned on, 2009, active cryogenic systems are turned on June 8June 8thth, 2009, the Low Frequency Instrument (LFI, , 2009, the Low Frequency Instrument (LFI,

radiometers), is turned onradiometers), is turned on Summer 2009, Planck gets to L2, survey begins, 14 Summer 2009, Planck gets to L2, survey begins, 14

monthsmonths 2 years of proprietary period and data analysis2 years of proprietary period and data analysis Early papers on extra-Galactic astrophysics, early 2011Early papers on extra-Galactic astrophysics, early 2011 Complete results including cosmology, end of 2012Complete results including cosmology, end of 2012 Mission extended! Survey doubled, beginning October Mission extended! Survey doubled, beginning October

2010, ending end of 20112010, ending end of 2011