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FITS Headers

wmap_polarization_analysis_mask_r4_5yr_v3.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              
DATE    = '2008-01-18T11:05:00' /file creation date (YYYY-MM-DDThh:mm:ss UT)    
TELESCOP= 'WMAP'               / Wilkinson Microwave Anisotropy Probe           
RELEASE = 'DR3     '           /WMAP release identifier                         
OBJECT  = 'ALL-SKY '           / Portion of sky given                           
SKYCOORD= 'Galactic'           / Coordinate system                              
REFERENC= 'WMAP Explanatory Supplement: http://lambda.gsfc.nasa.gov/            
PIXTYPE = 'HEALPIX '           / Pixel algorigthm                               
ORDERING= 'NESTED  '           / Ordering scheme                                
RESOLUTN=                    4 /Resolution index                                
NSIDE   =                   16 /Resolution parameter                            
NPIX    =                 3072 /# of pixels                                     
FIRSTPIX=                    0 /First pixel (0 based)                           
LASTPIX =                 3071 /Last pixel (0 based)                            
COMMENT This file contains the polarization source mask in map form             
COMMENT used in processing five years of observations.                          
COMMENT TEMPERATURE is set to 0 for all pixels.  This field                     
COMMENT is filled only to provide a consistent map format.                      
COMMENT N_obs is the boolean mask, where 0=exclude and 1=include.               
END                                                                             

Archive Map Table

XTENSION= 'BINTABLE'           /binary table extension                          
BITPIX  =                    8 /8-bit bytes                                     
NAXIS   =                    2 /2-dimensional binary table                      
NAXIS1  =                    8 /width of table in bytes                         
NAXIS2  =                 3072 /number of rows in table                         
PCOUNT  =                    0 /size of special data area                       
GCOUNT  =                    1 /one data group (required keyword)               
TFIELDS =                    2 /number of fields in each row                    
COMMENT                                                                         
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COMMENT  *** End of mandatory fields ***                                        
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COMMENT  *** Column names ***                                                   
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COMMENT  *** Column names ***                                                   
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COMMENT  *** Column names ***                                                   
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TTYPE1  = 'TEMPERATURE '       /label for field   1                             
COMMENT                                                                         
COMMENT  *** Column formats ***                                                 
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TFORM1  = 'E       '           /data format of field: 4-byte REAL               
TUNIT1  = 'mK, thermodynamic'  /physical unit of field                          
TTYPE2  = 'N_OBS   '           /label for field   2                             
TFORM2  = 'E       '           /data format of field: 4-byte REAL               
TUNIT2  = 'counts  '           /physical unit of field                          
EXTNAME = 'Archive Map Table'  /name of this binary table extension             
DATE    = '2008-01-18T11:05:00' /Table/MAP creation date                        
PIXTYPE = 'HEALPIX '           /Pixel algorithm                                 
ORDERING= 'NESTED  '           /Ordering scheme                                 
NSIDE   =                   16 /Resolution parameter                            
FIRSTPIX=                    0 /First pixel (0 based)                           
LASTPIX =                 3071 /Last pixel (0 based)                            
COMMENT   Temperature is set to zero for all pixels. This field is filled       
COMMENT    only to provide a consistent format.                                 
COMMENT   N_obs is the boolean mask, where 0=exclude and 1=include              
END                                                                             

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Goddard Space Flight Center, National Aeronautics and Space Administration
HEASARC Director: Dr. Alan P. Smale
LAMBDA Director: Dr. Eric R. Switzer
NASA Official: Dr. Eric R. Switzer
Web Curator: Mr. Michael R. Greason