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FITS Headers

wmap_forered_iqumap_r9_yr6_Ka1_v4.fits

Primary Header

SIMPLE  =                    T /FITS format                                     
BITPIX  =                   16 /Dummy primary header                            
NAXIS   =                    0 /No data is associated with this header          
EXTEND  =                    T /Extensions may (will!) be present               
RESOLUTN=                    9 /Resolution Index                                
PIXTYPE = 'HEALPIX '           /Pixel algorigthm                                
ORDERING= 'NESTED  '           /Ordering scheme                                 
NSIDE   =                  512 /Resolution Parameter                            
NPIX    =              3145728 /Number of pixels                                
FIRSTPIX=                    0 /First pixel (0 based)                           
LASTPIX =              3145727 /Last pixel (0 based)                            
COMMENT This file contains WMAP Intensity and Polarization (I, Q, and U)        
COMMENT Res 9 Foreground Reduced skymaps for the differencing assembly          
COMMENT indicated by the DA keyword.                                            
COMMENT There is no Ka1 foreground cleaned kkahadust intensity map.             
COMMENT Therefore this file contains an empty map in the TEMPERATURE            
COMMENT column of the Stokes Maps table                                         
COMMENT The sixth year of data went into the map.                               
DATE    = '2009-12-09T18:25:38' /file creation date (YYYY-MM-DDThh:mm:ss UT)    
TELESCOP= 'WMAP    '           /Wilkinson Microwave Anisotropy Probe            
REFERENC= 'WMAP Explanatory Supplement:  http://lambda.gsfc.nasa.gov/' /        
STOKES  = 'IQU     '           /                                                
DA      = 'Ka1     '           /WMAP Differencing Assembly                      
FREQ    = 'Ka band '           /Frequency band                                  
RELEASE = 'DR4     '           /WMAP Release                                    
END                                                                             

Stokes Maps

XTENSION= 'BINTABLE'           /binary table extension                          
BITPIX  =                    8 /8-bit bytes                                     
NAXIS   =                    2 /2-dimensional binary table                      
NAXIS1  =                   16 /width of table in bytes                         
NAXIS2  =              3145728 /number of rows in table                         
PCOUNT  =                    0 /size of special data area                       
GCOUNT  =                    1 /one data group (required keyword)               
TFIELDS =                    4 /number of fields in each row                    
COMMENT                                                                         
COMMENT  *** End of mandatory fields ***                                        
COMMENT                                                                         
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COMMENT  *** End of mandatory fields ***                                        
COMMENT                                                                         
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COMMENT  *** Column names ***                                                   
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COMMENT  *** Column formats ***                                                 
COMMENT                                                                         
COMMENT                                                                         
COMMENT  *** Column names ***                                                   
COMMENT                                                                         
TTYPE1  = 'TEMPERATURE '       /                                                
COMMENT                                                                         
COMMENT  *** Column formats ***                                                 
COMMENT                                                                         
TFORM1  = 'E       '           /                                                
TUNIT1  = 'mK,thermodynamic'   /                                                
TTYPE2  = 'Q_POLARISATION '    /                                                
TFORM2  = 'E       '           /                                                
TUNIT2  = 'mK,thermodynamic'   /                                                
TTYPE3  = 'U_POLARISATION '    /                                                
TFORM3  = 'E       '           /                                                
TUNIT3  = 'mK,thermodynamic'   /                                                
TTYPE4  = 'N_OBS   '           /                                                
TFORM4  = 'E       '           /                                                
TUNIT4  = 'counts  '           /                                                
EXTNAME = 'Stokes Maps'        /                                                
DATE    =                    0 /                                                
PIXTYPE = 'HEALPIX '           /                                                
ORDERING= 'NESTED  '           /                                                
NSIDE   =                  512 /                                                
FIRSTPIX=                    0 /                                                
LASTPIX =              3145727 /                                                
END                                                                             

Weight Arrays

XTENSION= 'BINTABLE'           /binary table extension                          
BITPIX  =                    8 /8-bit bytes                                     
NAXIS   =                    2 /2-dimensional binary table                      
NAXIS1  =                   16 /width of table in bytes                         
NAXIS2  =              3145728 /number of rows in table                         
PCOUNT  =                    0 /size of special data area                       
GCOUNT  =                    1 /one data group (required keyword)               
TFIELDS =                    4 /number of fields in each row                    
COMMENT                                                                         
COMMENT  *** End of mandatory fields ***                                        
COMMENT                                                                         
COMMENT                                                                         
COMMENT  *** End of mandatory fields ***                                        
COMMENT                                                                         
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COMMENT  *** Column names ***                                                   
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COMMENT  *** Column formats ***                                                 
COMMENT                                                                         
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COMMENT  *** Column names ***                                                   
COMMENT                                                                         
TTYPE1  = 'N_OBS   '           /                                                
COMMENT                                                                         
COMMENT  *** Column formats ***                                                 
COMMENT                                                                         
TFORM1  = 'E       '           /                                                
TTYPE2  = 'QQ      '           /                                                
TFORM2  = 'E       '           /                                                
TUNIT2  = 'counts  '           /                                                
TTYPE3  = 'QU      '           /                                                
TFORM3  = 'E       '           /                                                
TUNIT3  = 'counts  '           /                                                
TTYPE4  = 'UU      '           /                                                
TFORM4  = 'E       '           /                                                
TUNIT4  = 'counts  '           /                                                
EXTNAME = 'Weight Arrays'      /                                                
DATE    =                    0 /                                                
PIXTYPE = 'HEALPIX '           /                                                
ORDERING= 'NESTED  '           /                                                
NSIDE   =                  512 /                                                
FIRSTPIX=                    0 /                                                
LASTPIX =              3145727 /                                                
COMMENT Weight arrays must be divided by a scaling factor sigma_0^2             
COMMENT to provide a weight array in physical units (mK^-2).  See WMAP          
COMMENT Explanatory Supplement.                                                 
END                                                                             

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HEASARC Director: Dr. Alan P. Smale
LAMBDA Director: Dr. Eric R. Switzer
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