WMAP Data Products

The data made available through this page has been updated. The most recent version of this data may be accessed through https://lambda.gsfc.nasa.gov/product/wmap/current/

Derived CMB Products
Product
Download Page
Description No. of
Files/Size
EE & BB Power Spectra
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Best estimate of the EE & BB power spectra binned for plotting.
1 file 2KB
TT Power Spectra
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Best estimates for the TT power spectra of the CMB. Both binned and unbinned versions are provided. More...
2 files 4--59kB each
TE Power Spectra
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Best estimates for the TE power spectra of the CMB. Both binned and unbinned versions are provided. More...
2 files 2--32kB each
TB & EB Power Spectra
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Best estimates for the TB and EB power spectra of the CMB, unbinned for analysis. More...
2 files 15 KB each
Cosmological Parameter Table
Tool to search for WMAP parameter results More...
N/A
Likelihood software
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Fortran90 code to compute Fisher and Master matrices, and to compute model likelihood More...
1 file 324.4MB
Predicted SZ Power Spectrum
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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.
1 file 694KB
Full Resolution Coadded Three Year Sky Maps
Product
Download Page
Description No. of
Files/Size
I, Q, U Maps per Differencing Assembly (D/A)
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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 48MB each
I-Only Maps per D/A
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Temperature (I) maps for each D/A at HEALPix Nside=512 (Res 9) for TT. More...
10 files 24MB each
I, Q, U Maps per Frequency Band
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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 48MB each
I-Only Maps per Frequency Band
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Temperature (I) maps for each frequency band at HEALPix Nside=512 (Res 9) for TT. More...
5 files 24MB each
Foreground Reduced I, Q, U Maps per D/A
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Foreground Reduced I, Q, U maps for each D/A at HEALPix Nside=512 (Res 9) for TT and high-l polarization analysis. More...
8 files 48MB each
Foreground Reduced I, Q, U Maps per Frequency Band
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Foreground Reduced I, Q, U maps for each frequency band at HEALPix Nside=512 (Res 9) for TT and high-l polarization analysis. More...
3 files 48MB each
Smoothed I Maps per Frequency Band
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I maps for each frequency band smoothed to 1o resolution at HEALPix Nside=512 (Res 9). More...
5 files 24MB each
Full Resolution Single Year Sky Maps
Product
Download Page
Description No. of
Files/Size
I, Q, U Maps per Differencing Assembly (D/A)
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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...
30 files 96MB each
I-Only Maps per D/A
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Temperature (I) maps for each D/A at HEALPix Nside=512 (Res 9) for TT. More...
30 files 24MB each
Foreground Reduced I, Q, U Maps per D/A
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Foreground Reduced I, Q, U maps for each D/A at HEALPix Nside=512 (Res 9) for TT and high-l polarization analysis. More...
24 files 96MB each
High Resolution I Maps per D/A
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Temperature (I) maps for each V and W band D/A at HEALPix Nside=1024 (Res 10) for high-l TT. More...
18 files 96MB each
Foreground Reduced High Resolution I Maps per D/A
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Foreground Reduced Temperature (I) maps for each V and W band D/A at HEALPix Nside=1024 (Res 10) for high-l TT. More...
18 files 96MB each
Reduced Resolution Sky Maps
Product
Download Page
Description No. of
Files/Size
I, Q, U, S Single Year Coadded Maps per Differencing Assembly (D/A)
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Temperature and polarization (I, Q, U, S) full sky maps for each D/A at HEALPix Nside=16 (Res 4), degraded from Nside=512 (Res 9). More...
30 files 158kB each
Inverse Covariance Matrices for the I, Q, U, S Single Year Maps per D/A
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Pixel-to-pixel inverse covariance matrices for each D/A at HEALPix Nside=16 (Res 4) More...
30 files 576MB each
I, Q, U, S Three Year Coadded Maps per Frequency Band
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Temperature and polarization (I, Q, U, S) full sky maps for each Frequency Band at HEALPix Nside=16 (Res 4), degraded from Nside=512 (Res 9). More...
5 files 158kB each
Inverse Covariance Matrices for the I, Q, U, S Three Year Maps per Frequency Band
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Pixel-to-pixel inverse covariance matrices for each Frequency Band at HEALPix Nside=16 (Res 4) More...
5 files 576MB each
Q, U Foreground Reduced Three Year Maps per Frequency Band (Q,V only)
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Foreground Reduced polarization (Q,U) maps for selected frequency bands at HEALPix Nside=16 (Res 4) for low-l polarization analysis. More...
3 files 56KB each
Inverse Covariance Matrices for the Q, U Foreground Reduced Three Year Maps per Frequency Band (Q,V only)
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Foreground Reduced polarization (Q,U) pixel-to-pixel inverse covariance matrices for selected frequency bands at HEALPix Nside=16 (Res 4) More...
3 files 144MB each
Derived Foreground Products
Product
Download Page
Description No. of
Files/Size
Internal Linear Combination Map (includes region definition map)
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Reduced-galaxy map produced via linear combination technique. More...
1 file 24MB
Point Source Catalog
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Catalog of WMAP point sources. More...
1 file 34KB
Max Entropy Method Foreground Emission Maps
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Maps of foreground synchrotron, free-free, and dust emission for each of the five frequencies derived using the maximum entropy method. More...
16 files 6MB each
Foreground Templates
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Low noise templates for the removal of the foreground from skymaps. More...
1 file 24MB
Ancillary Data
Product
Download Page
Description No. of
Files/Size
Masks
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Intensity and polarization exclusion masks for analysis and map-making. More...
10 files 25-96MB each
Beam Transfer Functions
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Derived from observations of Jupiter. The beam transfer function is the square root of the window function. More...
10 files 13-34kB each
Beam Maps
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Maps of main and near-sidelobe beam response for the A and B sides of each differencing assembly (D/A). More...
10 files 5.6MB each
Beam Radial Profiles
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Symmetrized radial beam profiles for each WMAP D/A. More...
10 files 10-26kB each
Far-Sidelobe Beam Maps
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Maps of beam response to signal across the entire sky in spacecraft coordinates for each D/A. More...
10 files 1.6MB each
Time-Ordered Data
Product
Download Page
Description No. of
Files/Size
Calibrated Time-Ordered Data
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Compressed tar files containing the calibrated time-ordered data. More...
55 files 1.7GB each
Uncalibrated Time-Ordered Data
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Compressed tar files containing the raw time-ordered data. More...
55 files 1.7GB each
Filtered Calibrated Time-Ordered Data
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Compressed tar files containing the filtered calibrated time-ordered data. More...
55 files 1.7GB each
Optimal Time-Domain Filters
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Optimal time-domain filters used in the map-making procedure. More...
3 files 4MB each
Third Party Products
Product
Download Page
Description No. of
Files/Size
Low-l Likelihood Software
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Code and data from Eriksen et al. used to estimate the low-l TT likelihood using a Blackwell-Rao estimator in conjunction with pre-computed Gibbs samples. More...
5 files

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