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FITS Headers

quijote_mfi_skymap_19ghz_512_dr1.fits

Primary Header

SIMPLE  =                    T / Written by IDL:  Thu Dec 15 10:03:15 2022      
BITPIX  =                   16 / Number of bits per data pixel                  
NAXIS   =                    0 / Number of data axes                            
EXTEND  =                    T / FITS data may contain extensions               
DATE    = '2022-12-15'         / Creation date (CCYY-MM-DD) of FITS header      
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy  
COMMENT and Astrophysics', volume 376, page 359; bibcode 2001A&A...376..359H    
END                                                                             

Extension Header 2

XTENSION= 'BINTABLE'           /Written by IDL:  Thu Dec 15 10:03:06 2022       
BITPIX  =                    8 /                                                
NAXIS   =                    2 /Binary table                                    
NAXIS1  =                36864 /Number of bytes per row                         
NAXIS2  =                 3072 /Number of rows                                  
PCOUNT  =                    0 /Random parameter count                          
GCOUNT  =                    1 /Group count                                     
TFIELDS =                    9 /Number of columns                               
TFORM1  = '1024E   '           /Real*4 (floating point)                         
TTYPE1  = 'I_STOKES'           /                                                
TUNIT1  = 'mK_CMB  '           /physical unit of field                          
TFORM2  = '1024E   '           /Real*4 (floating point)                         
TTYPE2  = 'Q_STOKES'           /                                                
TUNIT2  = 'mK_CMB  '           /physical unit of field                          
TFORM3  = '1024E   '           /Real*4 (floating point)                         
TTYPE3  = 'U_STOKES'           /                                                
TUNIT3  = 'mK_CMB  '           /physical unit of field                          
TFORM4  = '1024E   '           /Real*4 (floating point)                         
TTYPE4  = 'NHITS_I '           /                                                
TUNIT4  = 'none    '           /physical unit of field                          
TFORM5  = '1024E   '           /Real*4 (floating point)                         
TTYPE5  = 'NHITS_QU'           /                                                
TUNIT5  = 'none    '           /physical unit of field                          
TFORM6  = '1024E   '           /Real*4 (floating point)                         
TTYPE6  = 'WEI_I   '           /                                                
TUNIT6  = '(mK_CMB)^(-2)'      /physical unit of field                          
TFORM7  = '1024E   '           /Real*4 (floating point)                         
TTYPE7  = 'WEI_Q   '           /                                                
TUNIT7  = '(mK_CMB)^(-2)'      /physical unit of field                          
TFORM8  = '1024E   '           /Real*4 (floating point)                         
TTYPE8  = 'WEI_U   '           /                                                
TUNIT8  = '(mK_CMB)^(-2)'      /physical unit of field                          
TFORM9  = '1024E   '           /Real*4 (floating point)                         
TTYPE9  = 'COV_QU  '           /                                                
TUNIT9  = '(mK_CMB)^2'         /physical unit of field                          
PIXTYPE = 'HEALPIX '           / HEALPIX pixelisation                           
ORDERING= 'RING    '           / Pixel ordering scheme, either RING or NESTED   
NSIDE   =                  512 / Healpix resolution parameter                   
NPIX    =              3145728 / Total number of pixels                         
OBJECT  = 'FULLSKY '           / Sky coverage, either FULLSKY or PARTIAL        
FIRSTPIX=                    0 / First pixel # (0 based)                        
LASTPIX =              3145727 / Last pixel # (zero based)                      
INDXSCHM= 'IMPLICIT'           / indexing : IMPLICIT or EXPLICIT                
GRAIN   =                    0 / GRAIN = 0: No index,                           
COMMENT         GRAIN =1: 1 pixel index for each pixel,                         
COMMENT         GRAIN >1: 1 pixel index for Grain consecutive pixels            
BAD_DATA=         -1.63750E+30 / Sentinel value given to bad pixels             
COORDSYS= 'G       '           / Pixelization coordinate system                 
COMMENT         G = Galactic, E = ecliptic, C = celestial = equatorial          
COMMENT ---------------------------------------------------------------------   
COMMENT MFI wide survey IQU map.                                                
COMMENT Includes satband mask (6deg > dec > -12deg).                            
COMMENT Weights and covariance renormalised (Table 12, Rubino-Martin et al.)    
COMMENT See Explanatory Supplement: http://research.iac.es/project/quijote/     
COMMENT ---------------------------------------------------------------------   
COMMENT Weighted combination of 219 and 419.                                    
POLCONV = 'COSMO   '           /Coord. convention for polarization (COSMO/IAU)  
TELESCOP= 'QUIJOTE QT1'        /QUIJOTE telescope                               
CHANNEL = 'MFI 219+419'        /MFI channel ID                                  
FREQ    =              18.8000 /GHz                                             
RELEASE = 'DR1     '           /QUIJOTE Release                                 
HISTORY recalib11_withcov2_rfi_newflagstat_raw_allatonce5s_mar2021_allatonce    
DATASUM = '1687566357'         / data unit checksum updated 2022-12-15T10:03:16 
CHECKSUM= 'ZA8af36TZ96Yf96Y'   / HDU checksum updated 2022-12-15T10:03:16       
END                                                                             

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