WMAP Data Products

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Derived CMB Products
Derived CMB Products
Product
Download Page		 Description No. Of
Files/Size		 Format Images
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 ASCII N/A
TE Power Spectra Best estimates for the TE power spectra of the CMB. Both binned and unbinned versions are provided. More... 2 files 4--58kB each ASCII N/A
TB Power Spectra Best estimates for the TB power spectra of the CMB. Both binned and unbinned versions are provided. More... 2 files 4--58kB each ASCII N/A
EE Power Spectra Best estimates for the EE power spectra of the CMB. Both binned and unbinned versions are provided. More... 2 files 4--58kB each ASCII N/A
BB Power Spectra Best estimates for the BB power spectra of the CMB. Both binned and unbinned versions are provided. More... 3 files 2--93kB each ASCII N/A
Cosmological Parameter Table Tool to search for WMAP parameter results. More... N/A ASCII N/A
Likelihood Software Fortran90 code to compute Fisher and Master matrices, and to compute model likelihood. More... 1 file 988MB TAR BALL N/A
Markov Chain Analysis Software Patch A patch to the CosmoMCMarkov Chain Analysis Software package to assist in analyzing WMAP Markov Chains. More... 1 file 4.77kB each TAR BALL N/A
Predicted SZ Power Spectrum The angular power spectrum due to the Sunyaev-Zeldovich effect, as predicted by Komatsu & Seljak (2002). Results for each of the 5 WMAP observing frequencies are given. More... 1 file 694kB each ASCII N/A

Full Resolution Coadded Seven Year Sky Maps
Full Resolution Coadded Seven Year Sky Maps
Product
Download Page		 Description No. Of
Files/Size		 Format Images
I Maps per Differencing Assembly Temperature (I) maps for each D/A at HEALPix Nside=512 (Res 9) for TT analysis. More... 10 files 24MB each FITS Small KMap Image
I Maps per Frequency Band Temperature (I) maps for each frequency band at HEALPix Nside=512 (Res 9) for TT analysis. More... 5 files 96MB each FITS Small KMap Image
Smoothed I Maps per Differencing Assembly (D/A) Temperature (I) maps for each D/A smoothed to 1o resolution at HEALPix Nside=512 (Res 9). More... 10 files 24MB each FITS Small KMap Image
Smoothed I Maps per Frequency Band Temperature (I) maps for each frequency band smoothed to 1o resolution at HEALPix Nside=512 (Res 9). More... 5 files 24MB each FITS Small KMap Image
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 FITS Small KMap Image
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 FITS Small KMap Image
Smoothed I,Q,U Maps per Differencing Assembly (D/A) Temperature and polarization (I,Q,U) maps for each D/A smoothed to 1o resolution at HEALPix Nside=512 (Res 9). More... 10 files 96MB each FITS Small KMap Image
Smoothed I,Q,U Maps per Frequency Band Temperature and polarization (I,Q,U) maps for each frequency band smoothed to 1o resolution at HEALPix Nside=512 (Res 9). More... 5 files 96MB each FITS Small KMap Image
Foreground Reduced I,Q,U Maps per Differencing Assembly (D/A) Temperature and polarization (I,Q,U) maps for the Ka1, Q1, Q2, V1, V2, W1, W2, W3, and W4 D/As at HEALPix Nside=512 (Res 9). More... 9 files 48MB each FITS Small KMap Image
Foreground Reduced I,Q,U Maps per Frequency Band Temperature and polarization (I,Q,U) maps for the Ka, Q, V, and W frequency bands at HEALPix Nside=512 (Res 9). More... 4 files 48MB each FITS Small KMap Image
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 data for I, Q, and U as the files above, but they additionally include the "spurious polarization" signal maps for users who wish to account for the small covariance between Q, U, & S. More... 10 files 144MB each FITS Small KMap Image
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 data for I, Q, and U as the files above, but they additionally include the "spurious polarization" signal maps for users who wish to account for the small covariance between Q, U, & S. More... 5 files 144MB each FITS Small KMap Image

Full Resolution Single Year Sky Maps
Full Resolution Single Year Sky Maps
Product
Download Page		 Description No. Of
Files/Size		 Format Images
I Maps per Differencing Assembly Temperature (I) maps for each D/A at HEALPix Nside=512 (Res 9) for TT analysis. More... 70 files 24MB each FITS Small KMap Image
High Resolution I Maps per Differencing Assembly Temperature (I) maps for each D/A at HEALPix Nside=1024 (Res 10) for TT analysis. More... 70 files 96MB each FITS Small KMap Image
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... 56 files 24MB each FITS Small KMap Image
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... 56 files 96MB each FITS Small KMap Image
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... 70 files 96MB each FITS Small KMap Image
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... 63 files 24MB each FITS Small KMap Image
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. These files contain the same data for I, Q, and U as the files above, but they additionally include the "spurious polarization" signal maps for users who wish to account for the small covariance between Q, U, & S. More... 70 files144MB each FITS Small KMap Image

Reduced Resolution Sky Maps
Reduced Resolution Sky Maps
Product
Download Page		 Description No. Of
Files/Size		 Format Images
Single Year Q,U Maps per Differencing Assembly (D/A) Polarization (Q,U) maps for each D/A at HEALPix Nside=16 (Res 4) degraded from Nside=512 (Res 9). More... 70 files 70kB each FITS Small KMap Image
Inverse Covariance Matrices for the Single Year Q,U Maps per Differencing Assembly (D/A) Polarization (Q,U) pixel-to-pixel inverse covariance matrices for selected D/As at HEALPix Nside=16 (Res 4) degraded from Nside=512 (Res 9). More... 70 files 144MB each FITS N/A
Single Year 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=16 (Res 4) degraded from Nside=512 (Res 9). More... 70 files 157kB each FITS Small KMap Image
Inverse Covariance Matrices for the Single Year I,Q,U,S Maps per Differencing Assembly (D/A) Temperature and Polarization (I,Q,U,S) pixel-to-pixel inverse covariance matrices for selected D/As at HEALPix Nside=16 (Res 4) degraded from Nside=512 (Res 9). More... 70 files 576MB each FITS N/A
Single Year Foreground Reduced Q,U Maps per Differencing Assembly (D/A) Foreground Reduced Polarization (Q,U) maps for selected D/A at HEALPix Nside=16 (Res 4) degraded from Nside=512 (Res 9). More... 63 files 70kB each FITS Small KMap Image
Inverse Covariance Matrices for the Single Year Foreground Reduced Q,U Maps per Differencing Assembly (D/A) Foreground Reduced Polarization (Q,U) pixel-to-pixel inverse covariance matrices for selected D/As at HEALPix Nside=16 (Res 4) degraded from Nside=512 (Res 9). More... 63 files 144MB each FITS N/A
Seven Year Q,U Maps per Frequency Band Polarization (Q,U) maps for each frequency band at HEALPix Nside=16 (Res 4) degraded from Nside=512 (Res 9). More... 5 files 31kB each FITS Small KMap Image
Inverse Covariance Matrices for the Seven Year Q,U Maps per Frequency Band Polarization (Q,U) pixel-to-pixel inverse covariance matrices for each frequency band at HEALPix Nside=16 (Res 4) degraded from Nside=512 (Res 9). More... 5 files 144MB each FITS N/A
Seven Year Foreground Reduced Q,U Maps per Frequency Band Foreground Reduced Polarization (Q,U) maps for each frequency band at HEALPix Nside=16 (Res 4) degraded from Nside=512 (Res 9). More... 4 files 31kB each FITS Small KMap Image
Inverse Covariance Matrices for the Seven Year Foreground Reduced Q,U Maps per Frequency Band Foreground Reduced Polarization (Q,U) pixel-to-pixel inverse covariance matrices for each frequency band at HEALPix Nside=16 (Res 4) degraded from Nside=512 (Res 9). More... 4 files 144MB each FITS N/A
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 56kB each FITS N/A

Derived Foreground Products
Derived Foreground Products
Product
Download Page		 Description No. Of
Files/Size		 Format Images
Internal Linear Combination Map Reduced-galaxy map produced via linear combination technique. More... 2 files 24MB each FITS Small ILC Image
Point Source Catalog Catalog of WMAP point sources. More... 1 file 42.4kB each ASCII Point Source Overlay Image
Point Source Variability Table WMAP point source variability listing. More... 1 file 354kB each ASCII N/A
Max Entropy Method Foreground Emission Maps Maps of foreground synchrotron, free-free, and dust emission for each of the five frequencies derived using the maximum entropy method. More... 15 files 1.5MB each FITS Small Dust Image
MCMC-Chain Foreground Maps Maps of foreground synchrotron, free-free, and dust emission using an MCMC chain fitting technique. More... 14 files 1.1MB each FITS Small Dust Image
MCMC-Chain Foreground Maps - Shifted Spinning Dust Model Maps of foreground synchrotron, free-free, and dust emission using an MCMC chain fitting technique that implemented a shifted spinning dust fitting model. More... 13 files 1.1MB each FITS Small Dust Image
MCMC-Chain Foreground Maps - Synchrotron Steepening Model Maps of foreground synchrotron, free-free, and dust emission using an MCMC chain fitting technique that implemented a steepening synchrotron fitting model. More... 14 files 1.1MB each FITS Small Dust Image
Foreground Templates Low noise templates for the removal of foreground from skymaps. More... 3 files FITS N/A
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... 14 files 24MB each FITS N/A

Ancillary Data
Ancillary Data
Product
Download Page		 Description No. Of
Files/Size		 Format Images
Masks Intensity and polarization exclusion masks for analysis and map-making. More... 12 files 33kB--96MB each FITS Small Mask Image
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 ASCII Small Window Function Image
Beam Maps Maps of main and near-sidelobe beam response for the A and B sides of each differencing assembly (D/A). More... 10 files 5.5MB each FITS Small Beam Map Image
Beam Radial Profiles Symmetrized radial beam profiles for each WMAP D/A. More... 10 files 26-51kB each ASCII N/A
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 FITS N/A
Bandpass Frequency Response Files showing the frequency response of each detector in each radiometer. More... 20 files 8.1kB each ASCII N/A

Time-Ordered Data
Time-Ordered Data
Product
Download Page		 Description No. Of
Files/Size		 Format Images
Calibrated Time Ordered Data Compressed tar files containing the calibrated time-ordered data. More... 128 files 1.7GB each FITS N/A
Uncalibrated Time Ordered Data Compressed tar files containing the uncalibrated time-ordered data. More... 128 files 1.1GB each FITS N/A
Optimal Time-Domain Filters Optimal time-domain filters used in the map-making procedure. More... 7 files 4.3MB each FITS N/A

Simulated Data Sky Maps
Simulated Data Sky Maps
Product
Download Page		 Description No. Of
Files/Size		 Format Images
I Maps per Differencing Assembly Temperature (I) maps for each D/A at HEALPix Nside=512 (Res 9) for TT analysis. More... 70 files 24MB each FITS Small KMap Image
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... 56 files 24MB each FITS Small KMap Image
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... 70 files 96MB each FITS Small KMap Image
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. These files contain the same data for I, Q, and U as the files above, but they additionally include the "spurious polarization" signal maps for users who wish to account for the small covariance between Q, U, & S. More... 70 files 144MB each FITS Small KMap Image
Model Sky Maps per Differencing Assembly Maps of the model sky components used in generating the simulated time-ordered data archive. The simulated sky map products are constructed from this simulated TOD. More... 10 files 432MB each FITS Small KMap Image

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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: Michael R. Greason