FITS Headers

class_dr1_combined_map_QU_40GHz_n256.fits

Primary Header

SIMPLE  =                    T / conforms to FITS standard                      
BITPIX  =                    8 / array data type                                
NAXIS   =                    0 / number of array dimensions                     
EXTEND  =                    T                                                  
END                                                                             

xtension

XTENSION= 'BINTABLE'           / binary table extension                         
BITPIX  =                    8 / array data type                                
NAXIS   =                    2 / number of array dimensions                     
NAXIS1  =                 8192 / length of dimension 1                          
NAXIS2  =                  768 / length of dimension 2                          
PCOUNT  =                    0 / number of group parameters                     
GCOUNT  =                    1 / number of groups                               
TFIELDS =                    2 / number of table fields                         
TTYPE1  = 'Q_POLARISATION'                                                      
TFORM1  = '1024E   '                                                            
TUNIT1  = 'K       '                                                            
TTYPE2  = 'U_POLARISATION'                                                      
TFORM2  = '1024E   '                                                            
TUNIT2  = 'K       '                                                            
PIXTYPE = 'HEALPIX '           / HEALPIX pixelisation                           
ORDERING= 'RING    '           / Pixel ordering scheme, either RING or NESTED   
COORDSYS= 'C       '           / Ecliptic, Galactic or Celestial (equatorial)   
EXTNAME = 'xtension'           / name of this binary table extension            
NSIDE   =                  256 / Resolution parameter of HEALPIX                
FIRSTPIX=                    0 / First pixel # (0 based)                        
LASTPIX =               786431 / Last pixel # (0 based)                         
INDXSCHM= 'IMPLICIT'           / Indexing: IMPLICIT or EXPLICIT                 
OBJECT  = 'FULLSKY '           / Sky coverage, either FULLSKY or PARTIAL        
TEMPTYPE= 'THERMO  '                                                            
POLCCONV= 'COSMO   '                                                            
TELESCOP= 'CLASS   '                                                            
STOKES  = 'QU      '                                                            
FREQ    = '40 GHz  '                                                            
RELEASE = 'DR1     '           / CLASS Data Release                             
DATE    = '2024-04-22T03:02:08' / file creation date (YYYY-MM-DDThh:mm:ss UT)   
END