FITS Headers

wmap_imap_r10_yr4_Q2_v3.fits

Primary Header

SIMPLE  =                    T / file does conform to FITS standard             
BITPIX  =                   16 / number of bits per data pixel                  
NAXIS   =                    0 / number of data axes                            
EXTEND  =                    T / FITS dataset may contain extensions            
COMMENT   FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT   and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H 
DATE    = '        '           /file creation date (YYYY-MM-DDThh:mm:ss UT)     
TELESCOP= 'WMAP    '           /Wilkinson Microwave Anisotropy Probe            
OBJECT  = 'ALL-SKY '           / Portion of sky given                           
EQUINOX =               2000.0 / Equinox of coordinates                         
COMMENT This file contains a WMAP Intensity (I) Res 10 skymap for the           
COMMENT differencing assembly indicated by the DA keyword.                      
COMMENT The fourth year of data went into the map.                              
REFERENC= 'WMAP Explanatory Supplement:  http://lambda.gsfc.nasa.gov/' /        
PIXTYPE = 'HEALPIX '           / Pixel algorithm                                
ORDERING= 'NESTED  '           / Ordering scheme                                
NSIDE   =                 1024 /Resolution Parameter                            
NPIX    =             12582912 / # of pixels                                    
FIRSTPIX=                    0 /First pixel (0 based)                           
LASTPIX =             12582911 /Last pixel (0 based)                            
STOKES  = 'I       '           /                                                
DA      = 'Q2      '           /WMAP Differencing Assembly                      
FREQ    = 'Q band  '           /Frequency band                                  
RELEASE = 'DR3     '           /WMAP Release                                    
RESOLUTN=                   10 /Resolution Index                                
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  =             12582912 / 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                   
TTYPE1  = 'TEMPERATURE '       / label for field   1                            
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    = '2007-09-27T17:33:21' / Table/MAP creation date                       
PIXTYPE = 'HEALPIX '           / Pixel algorithm                                
ORDERING= 'NESTED  '           / Ordering scheme                                
NSIDE   =                 1024 / Resolution parameter                           
FIRSTPIX=                    0 / First pixel (0 based)                          
LASTPIX =             12582911 / Last pixel (0 based)                           
END