WMAP

WMAP Data Products

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Derived CMB Products
Derived CMB Products
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Description No. Of
Files/Size
TT Power Spectra Best estimates for the TT power spectra of the CMB. Both binned and unbinned versions are provided. More... 2 files 4--86kB each
TE Power Spectra Best estimates for the TE power spectra of the CMB. Both binned and unbinned versions are provided. More... 2 files 4--72kB each
TB Power Spectra Best estimates for the TB power spectra of the CMB. Both binned and unbinned versions are provided. More... 2 files 2--43kB each
EE Power Spectra Best estimates for the EE power spectra of the CMB. Both binned and unbinned versions are provided. More... 2 files 2--74kB each
BB Power Spectra Best estimates for the BB power spectra of the CMB. Both binned and unbinned versions are provided. More... 2 files 2--74kB each
Cosmological Parameter Table Tool to search for WMAP parameter results. More... N/A
Likelihood Software Fortran90 code to compute Fisher and Master matrices, and to compute model likelihood. More... 1 file 907 MB
Predicted SZ Power Spectra The angular power spectra due to the Sunyaev-Zeldovich effect, as adapted from Battaglia, et al., (2012). Spectra for three frequencies are provided. More... 3 files 283 kB

Full Resolution Coadded Nine Year Sky Maps
Full Resolution Coadded Nine Year Sky Maps
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Description No. Of
Files/Size
I Maps per Differencing Assembly (D/A) Temperature (I) maps for each D/A at HEALPix Nside=512 (Res 9) for TT analysis. More... 10 files 24MB each
I Maps per Frequency Band Temperature (I) maps for each frequency band at HEALPix Nside=512 (Res 9) for TT analysis. More... 5 files 24MB each
Deconvolved I Maps per Differencing Assembly Deconvolved temperature (I) maps for each D/A at HEALPix Nside=512 (Res 9). More... 10 files 24MB each
Deconvolved I Maps per Frequency Band Deconvolved temperature (I) maps for each frequency band at HEALPix Nside=512 (Res 9). More... 5 files 24MB each
Foreground Reduced I Maps per Differencing Assembly Foreground reduced temperature (I) maps for each D/A at HEALPix Nside=512 (Res 9). More... 8 files 24MB each
Foreground Reduced I Maps per Frequency Band Foreground reduced temperature (I) maps for each frequency band at HEALPix Nside=512 (Res 9). More... 3 files 24MB each
Smoothed I Maps per Differencing Assembly (D/A) Temperature (I) maps for each D/A smoothed to 1° resolution at HEALPix Nside=512 (Res 9). More... 10 files 24MB each
Smoothed I Maps per Frequency Band Temperature (I) maps for each frequency band smoothed to 1° resolution at HEALPix Nside=512 (Res 9). More... 5 files 24MB each
Deconvolved Smoothed I Maps per Differencing Assembly Deconvolved temperature (I) maps for each D/A smoothed to 1° resolution at HEALPix Nside=512 (Res 9). More... 10 files 24MB each
Deconvolved Smoothed I Maps per Frequency Band Deconvolved temperature (I) maps for each frequency band smoothed to 1° resolution at HEALPix Nside=512 (Res 9). More... 5 files 24MB each
I,Q,U Maps per Differencing Assembly (D/A) Temperature and polarization (I,Q,U) maps for each D/A at HEALPix Nside=512 (Res 9) for TT and high-l polarization analysis. More... 10 files 96MB each
I,Q,U Maps per Frequency Band Temperature and polarization (I,Q,U) maps for each frequency band at HEALPix Nside=512 (Res 9) for TT and high-l polarization analysis. More... 5 files 96MB each
Foreground Reduced I,Q,U Maps per Differencing Assembly (D/A) Foreground Reduced temperature and polarization (I,Q,U) maps for each D/A at HEALPix Nside=512 (Res 9). More... 9 files 48MB each
Foreground Reduced I,Q,U Maps per Frequency Band Foreground Reduced temperature and polarization (I,Q,U) maps for each frequency band at HEALPix Nside=512 (Res 9). More... 4 files 48MB each
Smoothed I,Q,U Maps per Differencing Assembly (D/A) Temperature and polarization (I,Q,U) maps for each D/A smoothed to 1° resolution at HEALPix Nside=512 (Res 9). More... 10 files 96MB each
Smoothed I,Q,U Maps per Frequency Band Temperature and polarization (I,Q,U) maps for each frequency band smoothed to 1° resolution at HEALPix Nside=512 (Res 9). More... 5 files 96MB each
I,Q,U,S Maps per Differencing Assembly (D/A) Temperature and polarization (I,Q,U,S) maps for each D/A at HEALPix Nside=512 (Res 9) for TT and high-l polarization analysis. These files contain the same I,Q,U data as the files above, but they additionally contain the "spurious polarization" signal map More... 10 files 144MB each
I,Q,U,S Maps per Frequency Band Temperature and polarization (I,Q,U,S) maps for each frequency band at HEALPix Nside=512 (Res 9) for TT and high-l polarization analysis. These files contain the same I,Q,U data as the files above, but they additionally contain the "spurious polarization" More... 5 files 144MB each

Full Resolution Single Year Sky Maps
Full Resolution Single Year Sky Maps
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Description No. Of
Files/Size
I Maps per Differencing Assembly Temperature (I) maps for each D/A at HEALPix Nside=512 (Res 9) for TT analysis. More... 90 files 24MB each
Deconvolved I Maps per Differencing Assembly Deconvolved temperature (I) maps for each D/A at HEALPix Nside=512 (Res 9). More... 90 files 24MB each
High Resolution I Maps per Differencing Assembly Temperature (I) maps for each D/A at HEALPix Nside=1024 (Res 10) for TT analysis. More... 90 files 96MB each
Foreground Reduced I Maps per Differencing Assembly Foreground Reduced Temperature (I) maps for each D/A at HEALPix Nside=512 (Res 9) for TT and high-l polarization analysis. More... 72 files 24MB each
High Resolution Foreground Reduced I Maps per Differencing Assembly Foreground Reduced Temperature (I) maps for each D/A at HEALPix Nside=1024 (Res 10) for TT and high-l polarization analysis. More... 72 files 96MB each
I,Q,U Maps per Differencing Assembly Temperature and polarization (I,Q,U) maps for each D/A at HEALPix Nside=512 (Res 9) for TT and high-l polarization analysis. More... 90 files 96MB each
Foreground Reduced I,Q,U Maps per Differencing Assembly Foreground Reduced Temperature and polarization (I,Q,U) maps for each D/A at HEALPix Nside=512 (Res 9) for TT and high-l polarization analysis. More... 72 files 96MB each
Foreground Reduced Q,U Maps per Differencing Assembly Foreground Reduced Polarization (Q,U) maps for each D/A at HEALPix Nside=512 (Res 9) for TT and high-l polarization analysis. More... 81 files 60MB each
I,Q,U,S Maps per Differencing Assembly Temperature and polarization (I,Q,U,S) maps for each D/A at HEALPix Nside=512 (Res 9) for TT and high-l polarization analysis. More... 90 files 144MB each

Reduced Resolution Sky Maps
Reduced Resolution Sky Maps
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Description No. Of
Files/Size
Single year Q,U Maps per Differencing Assembly Polarization (Q,U) maps for each D/A at HEALPixe Nside=16 (Res 4) degraded from Nside=512 (Res 9). More... 90 files 70.3kB each
Inverse Covariance Matrices for Single year Q,U Maps per Differencing Assembly Polarization (Q,U) pixel-to-pixel inverse covariance matrices at HEALPixe Nside=16 (Res 4). More... 90 files 144MB each
Single year I,Q,U,S Maps per Differencing Assembly Temperature and polarization (I,Q,U,S) maps for each D/A at HEALPixe Nside=16 (Res 4) degraded from Nside=512 (Res 9). More... 90 files 157.5kB each
Inverse Covariance Matrices for Single year I,Q,U,S Maps per Differencing Assembly Temperature and polarization (I,Q,U,S) pixel-to-pixel inverse covariance matrices at HEALPixe Nside=16 (Res 4). More... 90 files 576MB each
Foreground Reduced Single year Q,U Maps per Differencing Assembly Foreground reduced polarization (Q,U) maps for each D/A at HEALPixe Nside=16 (Res 4) degraded from Nside=512 (Res 9). More... 81 files 70.3kB each
Foreground Reduced Inverse Covariance Matrices for Single year Q,U Maps per Differencing Assembly Foreground reduced polarization (Q,U) pixel-to-pixel inverse covariance matrices at HEALPixe Nside=16 (Res 4). More... 81 files 144MB each
Nine year Q,U Coadded Maps per Frequency Band Polarization (Q,U) coadded maps for each frequency at HEALPixe Nside=16 (Res 4) degraded from Nside=512 (Res 9). More... 5 files 30.9kB each
Inverse Covariance Matrices for Nine year Q,U Maps per Frequency Band Polarization (Q,U) pixel-to-pixel inverse covariance matrices at HEALPixe Nside=16 (Res 4). More... 5 files 144MB each
Foreground Reduced Nine year Q,U Coadded Maps per Frequency Band Polarization (Q,U) coadded maps for each frequency at HEALPixe Nside=16 (Res 4) degraded from Nside=512 (Res 9). More... 4 files 30.9kB each
Foreground Reduced Inverse Covariance Matrices for Nine year Q,U Maps per Frequency Band Polarization (Q,U) pixel-to-pixel inverse covariance matrices at HEALPixe Nside=16 (Res 4). More... 4 files 144MB each
Loss Imbalance Templates Polarization templates (Q,U) that trace the effect of a small transmission imbalance between the A & B sides of the instrument. Two per differencing assembly. More... 20 files 56.3MB each

Derived Foreground Products
Derived Foreground Products
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Description No. Of
Files/Size
Internal Linear Combination Map Reduced-galaxy map produced via linear combination technique. More... 1 file 24MB each
Point Source Catalog Catalog of WMAP point sources. More... 2 files 45--62kB each
Point Source Variability WMAP point source variability listing. More... 1 file 487kB each
Max Entropy Method Foreground Emission Maps Maps of foreground synchrotron, free-free, and dust emission for each of the five frequencies using the maximum entropy method. More... 21 file 1.5MB each
MCMC-Chain Foreground Maps, Model c Maps of foreground synchrotron, free-free, and dust emission using MCMC chain fitting techniques. More... 14 file 1.1MB each
MCMC-Chain Foreground Maps, Model e Maps of foreground synchrotron, free-free, and dust emission using MCMC chain fitting technique that implements a shifted spinning dust fitting model. More... 14 file 1.1MB each
MCMC-Chain Foreground Maps, Model f Maps of foreground synchrotron, free-free, and dust emission using MCMC chain fitting technique that leaves the synchrotron spectral index as a free parameter. More... 15 file 1.1MB each
MCMC-Chain Foreground Maps, Model g Maps of foreground synchrotron, free-free, and dust emission using MCMC chain fitting technique that allows a slightly steepened synchrotron spectral index. More... 15 file 1.1MB each
Foreground Templates Low noise templates for the removal of foreground from skymaps. More... 3 file 24MB each
Smoothed Single Year K1 and Ka1 Sky Maps K1 and Ka1 WMAP maps used with the foreground template to remove foreground emission from skymaps. More... 18 files 24MB each

Ancillary Data
Ancillary Data
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Description No. Of
Files/Size
Masks Intensity and polarization exclusion masks for analysis and map-making. More... 6 files 36-98000kB each
Beam Transfer Functions Derived from observations of Jupiter. The beam transfer function is the square root of the window function. More... 10 files 16-44kB each
Beam Transfer Function Fractional Covariance Matrices Full covariance matrices for each transfer function, by DA. More... 10 files 3.2--30.6MB each
Beam Maps Maps of main and near-sidelobe beam response for the A and B sides of each differencing assembly. More... 10 files 5.5MB each
Beam Radial Profiles Symmetrized radial beam profiles for each D/A. More... 10 files 26-51kB each
Far-Sidelobe Beam Maps Maps of beam response to signal across the entire sky in spacecraft coordinates for each D/A. More... 10 files 1.5MB each
Bandpass Frequency Response Files showing the frequency response of each detector in each radiometer. More... 20 files 8.1kB each

Time-Ordered Data
Time-Ordered Data
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Description No. Of
Files/Size
Calibrated Two-Channel Time Ordered Data Compressed tar files containing two channel calibrated time-ordered data. More... 164 files 1.7GB each
Calibrated Four-Channel Time Ordered Data Compressed tar files containing four channel calibrated time-ordered data. More... 164 files 3.0GB each
Uncalibrated Time Ordered Data Compressed tar files containing four channel uncalibrated time-ordered data. More... 164 files 1.1GB each
Telemetry Data Compressed tar files containing a subset of telemetry data transmitted by WMAP. More... 171 files 1.3GB each
Optimal Time-Domain Filters Optimal time-domain filters used in the map-making procedure. More... 9 files <5MB each

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A service of the HEASARC and of the Astrophysics Science Division at NASA/GSFC
Goddard Space Flight Center, National Aeronautics and Space Administration
HEASARC Director: Dr. Alan P. Smale
LAMBDA Director: Dr. David T. Chuss
NASA Official: Dr. David T. Chuss
Web Curator: Mr. Michael R. Greason