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Cosmological Results from Planck
 

Cosmological Results from Planck

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Review talk at the SuperJEDI conference by Dr Marian Douspis

Review talk at the SuperJEDI conference by Dr Marian Douspis

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    Cosmological Results from Planck Cosmological Results from Planck Presentation Transcript

    • Cosmological Results from Planck Marian Douspis IAS-Orsay 1
    • CITA–ICAT UNIVERSITÀ DEGLI STUDI DI MILANO ABabcdfghiejkl 2 The scientific results that we present today are a product of the Planck Collaboration, including individuals from more than 100 scientific institutes in Europe, the USA and Canada Planck is a project of the European Space Agency, with instruments provided by two scientific Consortia funded by ESA member states (in particular the lead countries: France and Italy) with contributions from NASA (USA), and telescope reflectors provided in a collaboration between ESA and a scientific Consortium led and funded by Denmark. 2
    • CITA–ICAT UNIVERSITÀ DEGLI STUDI DI MILANO ABabcdfghiejkl 2 The scientific results that we present today are a product of the Planck Collaboration, including individuals from more than 100 scientific institutes in Europe, the USA and Canada Planck is a project of the European Space Agency, with instruments provided by two scientific Consortia funded by ESA member states (in particular the lead countries: France and Italy) with contributions from NASA (USA), and telescope reflectors provided in a collaboration between ESA and a scientific Consortium led and funded by Denmark. 2
    • M. Douspis, 01/07/2013, Cosmology Results from Planck 3 • Planck • Maps • CMB Likelihoood • CMB Results on LCDM • CMB results on extentions • LSS results • Next.... 3
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Planck 4 Launch: May 14 2009 • 2 Instruments HFI+LFI • Observation in 9 frequency bands • 22 radiometers (LFI) and 56 sensitive / fast bolometers (HFI) • 5 stages cryogenic cooling chain • Aug. 2009: survey started • Nov. 2010: nominal mission (2 surveys) achieved • Mid-Jan. 2012: extended cryogenic mission (5 surveys) achieved • Summer 2013: warm mission achieved 4
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Why Planck ? 5 At decision time (~1992) At launch At my PhD (~2000) 5
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Why Planck ? 6 Probing large and small scales with same instrument to avoid calibration problems 6
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Why Planck ? 7 WMAP SPT Probing low and high frequencies to have a better handle on contaminating foregrounds 30 44 77 100 143 217 353 545 857 7
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Planck-HFI: technological success 8 1.6 K Cryostat He3/He4 Extremely complex but extremely stable cryogenic chain 100 mK 4 K 8
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Planck-HFI: technological success 8 1.6 K Cryostat He3/He4 Extremely complex but extremely stable cryogenic chain 100 mK 4 K 8
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Planck: data analysis success 9 143 GHz 545 GHz blind bolometer Galaxy cosmics Dipole 33GHz 44GHz 70GHz 100GHz 143GHz 217GHz 353GHz 545GHz 857GHz 800 GB from L2 1010 sample per bolometer 5.107 pixels per map 9
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Planck: Scientific success 10 Early Results • Release of Point sources and SZ catalogues • based on 11 month of data • 27 papers Results • Release of maps, catalogues, ... • based on 14 month of data • 28 papers Intermediate Results • based on 11 month of data • 13 papers 2011 2013 10
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Some press coverage 11 March 21st or 22nd, 2013 11
    • M. Douspis, 01/07/2013, Cosmology Results from Planck 2011+2013 Release 12 • Maps per frequency • CMB maps • component maps • Lensing map • Dust opacity map • point sources catalogues • SZ catalogue • Likelihood ... PLA: Planck Legacy Archive: http://pla.esac.esa.int/pla/aio/planckProducts.html LAMBDA: http://lambda.gsfc.nasa.gov 12
    • M. Douspis, 01/07/2013, Cosmology Results from Planck 13 • Planck • Maps • CMB Likelihoood • CMB Results on LCDM • CMB results on extentions • LSS results • Next.... 13
    • M. Douspis, 01/07/2013, Cosmology Results from Planck 2013 Results 14 Low frequency CO Dust 14
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Planck CMB map 15 15
    • M. Douspis, 01/07/2013, Cosmology Results from Planck 16 From M.Tristram 16
    • M. Douspis, 01/07/2013, Cosmology Results from Planck 17 From M.Tristram 17
    • M. Douspis, 01/07/2013, Cosmology Results from Planck 18 From M.Tristram 18
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Angular power spectrum 19 19
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Angular power spectrum 19 19
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Angular power spectrum 19 19
    • M. Douspis, 01/07/2013, Cosmology Results from Planck CMB from space 20 20
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Cosmology 21 • Amplitude of the fluctuations mostly from the plateau • Sound horizon: first peak location • Total matter: changes the contrast between the peaks • Baryon density: changes the ratio between peak heights (inertia) • Reionisation optical depth: damps small scales. Constrained from large scale polarisation but also marginally from lensing • H0: derived from above parameters • Curvature: large scales (ISW) small scales (lensing)‫‏‬ • Neutrino masses: small scales (lensing) 21
    • M. Douspis, 01/07/2013, Cosmology Results from Planck 22 • Planck • Maps • CMB Likelihoood • CMB Results on LCDM • CMB results on extentions • LSS results • Next.... 22
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Likelihood large scales • pixel based likelihood for l=[2,49] • CMB map @ low resolution • 4 algorithms: very similar results • Error: dominated by cosmic variance • Anomaly: points lower than best model, no effect on cosmology 23 23
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Likelihood small scales • Cl likelihood for l=[50,2500] • power spectra of maps @ 100, 143, 217 GHz • No foreground cleaning in maps, but optimized masks and l-regions • Modelling of CMB +contaminants 24 24
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Likelihood 25 Cmodel ` = CCMB ` + Cdust ` + Ccib+sz ` + Cpoisson ` + Cksz ` Cmodel ` ? ⌘? Cdata ` 25
    • M. Douspis, 01/07/2013, Cosmology Results from Planck 26 • Planck • Maps • CMB Likelihoood • CMB Results on LCDM • CMB results on extentions • LSS results • Next.... 26
    • M. Douspis, 01/07/2013, Cosmology Results from Planck ΛCDM • 6 parameters • 2 primordial spectrum • 1 expansion rate • 2 paramaters for densities • reionization • Hypothesis (relaxed for extension) • Flat Universe • No running • No tensor 27 • 3 neutrinos species • Standard neutrinos with low mass 27
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Results • +WP :WMAP polarisation (TE+EE @ low-l) ‣ breaks As-tau degeneracy • +HighL : +SPT+ACT for l in [2000,2500] ‣ better foreground handling 28 28
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Standard cosmology 29 18 fold diminution in constraint volume compared to WMAP9 + SPT 33 marginalised nuisance + foreground parameters %-level cosmology Simple LCDM model works remarkably well 29
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Standard cosmology 29 18 fold diminution in constraint volume compared to WMAP9 + SPT 33 marginalised nuisance + foreground parameters %-level cosmology Simple LCDM model works remarkably well 29
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Heavier and older Universe 30 H0.............. 70.0 + 2.2 67.80 ± 0.77 Age............. 13.74 + 0.11 13.798 ± 0.037 30
    • M. Douspis, 01/07/2013, Cosmology Results from Planck (dis)agreement 31 Error bars divided by 2 31
    • M. Douspis, 01/07/2013, Cosmology Results from Planck (dis)agreement 32 32
    • M. Douspis, 01/07/2013, Cosmology Results from Planck 33 100 500 1000 2000 Multipole moment 0 500 1000 1500 2 D[mK2 ] ns = 0.96 ns = 1.00 33
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Inflation 34 Starting to exclude some inflation models Scale invariant perturbation clearly excluded 34
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Inflation • Measuring bispectrum: Search for specific shapes in the 3pt correlation function → Local type • WMAP9 constraints on nonlinearity parameter fNL local = 37 ± 20 • Upper bound limits extensions of singl- field slow role inflation models 35 35
    • M. Douspis, 01/07/2013, Cosmology Results from Planck 36 • Planck • Maps • CMB Likelihoood • CMB Results on LCDM • CMB results on extentions • LSS results • Next.... 36
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Curvature 37 Flat Universe 37
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Other implications 38 • q: sound horizon is determined by the position of the 7 peaks, and now measured at 0.05% precision • spatially flat Universe • ns: exact scale invariance of the primordial fluctuations is ruled out, at more than 7s (as predicted by base inflation models) • Nucleosynthesis ok • Upper limit on neutrino masses • 3 neutrinos species favored by Planck • no evidence for dynamical dark energy • no evidence for running index dns/dlnk q = 1.04147 ± 0.00056 ns = 0.9608 ± 0.0054 X m⌫ < 0.23eV Neff = 3.30+0.54 0.51 Yp = 0.267 ± 0.044 ⌦k = 0.0007 ± 0.0033 38
    • M. Douspis, 01/07/2013, Cosmology Results from Planck 39 Cosmological model established with exquisit CMB but Planck is not only a CMB machine ! Planck probes: Dark matter distribution → CMB lensing Hot gas content → Sunyaev-Zel'dovich effect Star formation → Cosmic IR Background 39
    • M. Douspis, 01/07/2013, Cosmology Results from Planck CMB lensing: matter tracer • Gravitational effect of the LSS @ z=2 affects the observed CMB 40 CMB lensing detected at 25σ significance 40
    • M. Douspis, 01/07/2013, Cosmology Results from Planck CMB lensing: matter tracer 41 • Reconstructed projected mass map • Correlation with external tracers agrees well Planck LCDM in agreement with z=2 structures Quasars – z ~ 1 Galaxy clusters – z ~ 0.2 Galaxies – z~ 0.5 Galaxies – z ~ 0.1 41
    • M. Douspis, 01/07/2013, Cosmology Results from Planck CIB: galaxy tracer 42 • This maps primarily show the Cosmic Infrared Background, emission from warm dust in distant star-forming galaxies at redshifts between 1 and 3 • CIB = HFI - dust - CMB - PointSources • Sub-degree clustered structures correlate between frequencies Southern cap at 353 GHz results 2011 2011 40deg2 2013 >1000deg2 42
    • M. Douspis, 01/07/2013, Cosmology Results from Planck CIBxlensing: dark matter tracer Stacking the Planck mass maps at the positions of peaks and troughs of Cosmic Infrared Background leads to a strong detection of the mass associated with these distant star forming galaxies.This is mostly Dark Matter. 43 1º 43
    • M. Douspis, 01/07/2013, Cosmology Results from Planck SZ effect: hot baryon tracer 44 Electron énergétique Amas de Galaxies: galaxies + gaz CMB photon Photon diffusé plus chaud R. A. Sunyaev Ya. B. Zeldovich 44
    • M. Douspis, 01/07/2013, Cosmology Results from Planck SZ effect: hot baryon tracer 44 Electron énergétique Amas de Galaxies: galaxies + gaz CMB photon Photon diffusé plus chaud R. A. Sunyaev Ya. B. Zeldovich “Hole in the sky” SZ,Comments on Astrophysics and Space Physics 1972 44
    • M. Douspis, 01/07/2013, Cosmology Results from Planck SZ effect: hot baryon tracer 44 Electron énergétique Amas de Galaxies: galaxies + gaz CMB photon Photon diffusé plus chaud R. A. Sunyaev Ya. B. Zeldovich “Hole in the sky” SZ,Comments on Astrophysics and Space Physics 1972 44
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Planck: SZ machine 45 45
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Planck SZ catalogue 46 • PSZ based on [100-857]GHz maps • 3 detection algorithms • on ~84% of the sky • 1227 clusters & candidates • 683 previously known • 178 new clusters • 366 candidates • z in [0-1] • M in [1~20] 1014 M☉ • Mmed ~ 3.5 1014 M☉ • see Planck 2013 XXIX & PLA 46
    • M. Douspis, 01/07/2013, Cosmology Results from Planck SZ cluster number counts • Reference mass function:Tinker et al. • Reference scalingY-M: based on 71 Planck clusters • Reference selection function: based on Planck noise maps • Reference sample: S/N selected sample of 189 PSZ clusters Internal consistency: use mostly Planck information 47 (1-b): bias between hydrostatic equilibrium mass and total mass 0.50 2.0 -120 -60 0 60 120 -75 -60 -45 -30 -15 0 15 30 45 60 75 47
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Constraints from SZ counts 48 SZ+BAO SZ+HST degeneracy 8(⌦m/0.29)0.32 48
    • M. Douspis, 03/04/2013, Cosmology from Planck SZ cluster counts Robustness • Reference run (SZ+BAO) • S/N>8 sample • MMF1 sample • MC-based completeness • Reference run (SZ+BAO) • Free redshift evolution of scaling • Watson et al. mass function • (1-b) in [0.7-1.0] 49 95% CL 95% CL 49
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Coherent view from clusters • Comparison with some Optical, X-rays, SZ constraints using clusters 50 0.700.750.800.850.900.95 8(M/0.27)0.3 WL* X-rays* MaxBCG* ACT SPT Planck Planck SPT WMAP Clusters CMBLSS 50
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Comparison with CMB • Higher values of Ωm,σ8 in Planck CMB analysis • 3σ tension • More general tension between clusters and CMB ? 51 SZ+BAO CMB 0.700.750.800.850.900.95 8(M/0.27)0.3 WL* X-rays* MaxBCG* ACT SPT Planck Planck SPT WMAP Clusters CMBLSS 100 101 102 0.0 0.2 0.4 0.6 0.8 1.0 z dNdz Best model from Planck CMB Best model from y-map Best model Planck counts 51
    • M. Douspis, 01/07/2013, Cosmology Results from Planck SZ counts & CMB • Getting higher σ8 from clusters • Change scaling • Change bias • Account for missing clusters • Getting lower σ8 from CMB • Change initial power spectrum • Change transfert function 52 52
    • M. Douspis, 01/07/2013, Cosmology Results from Planck SZ counts & CMB • Higher σ8 in clusters • (1-b)=0.55 • open question on baryons • Only few missed clusters • Lower σ8 in CMB • running not enought • massive neutrino • 2 possible solutions that reconcile SZ & CMB 53 SZ+CMB, b = 0.8 SZ+CMB, b in [0.7-1] CMB SZ+CMB+BAO, b [0.7-1] SZ+CMB, b free SZ+BAO CMB 0.20.40.60.81.0 0.0 0.2 0.4 0.6 0.8 1.0 1.2 1.4 m 53
    • M. Douspis, 01/07/2013, Cosmology Results from Planck All sky map of the SZ signal • Adapted component separation methods based on: • constraints on emission spectra + localisation in pixel and multipole domains • 100 to 857GHz channel maps • Resolved SZ clusters (from PSZ catalogue) account for a significant fraction of the tSZ signal in the reconstructed maps 54 Coma O North South 54
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Constraints from SZ map • Three component model on 50% of the sky: 55 Cmodel ` = CSZ ` + Ccib ` + CP S ` First measure of SZ spectra from large to small scales Consistency with cluster counts cosmology 55
    • M. Douspis, 01/07/2013, Cosmology Results from Planck And much more... • Anomalies • ISW • proto-clusters • Galaxy • ... 56 • Planck 2013 results. I. Overview of products and results • Planck 2013 results. II. Low Frequency Instrument data processing • Planck 2013 results. III. LFI systematic uncertainties • Planck 2013 results. IV. LFI beams • Planck 2013 results.V. LFI calibration • Planck 2013 results.VI. High Frequency Instrument data processing • Planck 2013 results.VII. HFI time response and beams • Planck 2013 results.VIII. HFI calibration and mapmaking • Planck 2013 results. IX. HFI spectral response • Planck 2013 results. X. HFI energetic particle effects • Planck 2013 results. XI. Consistency of the data • Planck 2013 results. XII. Component separation • Planck 2013 results. XIII. Galactic CO emission • Planck 2013 results. XIV. Zodiacal emission • Planck 2013 results. XV. CMB power spectra and likelihood • Planck 2013 results. XVI. Cosmological parameters • Planck 2013 results. XVII. Gravitational lensing by large-scale structure • Planck 2013 results. XVIII.The gravitational lensing-infrared background correlation • Planck 2013 results. XIX.The integrated Sachs-Wolfe effect • Planck 2013 results. XX. Cosmology from Sunyaev-Zeldovich cluster counts • Planck 2013 results. XXI.All-sky Compton-parameter map and characterization • Planck 2013 results. XXII. Constraints on inflation • Planck 2013 results. XXIII. Isotropy and statistics of the CMB • Planck 2013 results. XXIV. Constraints on primordial non-Gaussianity • Planck 2013 results. XXV. Searches for cosmic strings and other topological defects • Planck 2013 results. XXVI. Background geometry and topology of the Universe • Planck 2013 results. XXVII. Special relativistic effects on the CMB dipole • • Planck 2013 results. XXVIII.The Planck Catalogue of Compact Sources • Planck 2013 results. XXIX.The Planck catalogue of Sunyaev-Zeldovich sources • Planck 2013 results. Explanatory supplement 56
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Conclusions • Planck CMB sets the new standard LCDM • No extended LCDM needed • Agreement with small scales CMB, SN-union, BAO, lensing x-correlations • Tension with HST/H0, clusters and SZ spectrum • large scale anomaly ? 57 • Planck probes z~1000 • but also • Dark matter z≾2 • Baryons/gas z≾1 • Baryons/light z~2-3 57
    • M. Douspis, 01/07/2013, Cosmology Results from Planck Coming next • in 2014 ! • 15 → 30 month • Polarisation 58 58
    • 59 Thank you ! 59