FITS Headers

mask_quijote_ncp_lowdec_satband_nside512.fits

Primary Header

SIMPLE  =                    T / Written by IDL:  Fri Jan 22 13:39:47 2021      
BITPIX  =                   16 / Number of bits per data pixel                  
NAXIS   =                    0 / Number of data axes                            
EXTEND  =                    T / FITS data may contain extensions               
DATE    = '2021-01-22'         / 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:  Fri Jan 22 13:39:47 2021       
BITPIX  =                    8 /                                                
NAXIS   =                    2 /Binary table                                    
NAXIS1  =                 4096 /Number of bytes per row                         
NAXIS2  =                 3072 /Number of rows                                  
PCOUNT  =                    0 /Random parameter count                          
GCOUNT  =                    1 /Group count                                     
TFIELDS =                    1 /Number of columns                               
TFORM1  = '1024E   '           /Real*4 (floating point)                         
TTYPE1  = 'MASK    '           / NCP+SATBAND+LOWDEC                             
TUNIT1  = 'none    '           / 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            
COORDSYS= 'G       '           / Pixelization coordinate system                 
COMMENT         G = Galactic, E = ecliptic, C = celestial = equatorial          
COMMENT ---------------------------------------------------------------------   
COMMENT QUIJOTE MFI wide survey mask: standard (NCP+satband+lowdec)             
COMMENT  NCP mask: excluding dec > 70deg                                        
COMMENT  LOWDEC mask: excluding dec < -12deg                                    
COMMENT  SATBAND mask: excluding 6deg > dec > -12deg                            
COMMENT See Explanatory Supplement: http://research.iac.es/project/quijote/     
COMMENT ---------------------------------------------------------------------   
BAD_DATA=         -1.63750E+30 / Sentinel value given to bad pixels             
RELEASE = 'DR1     '           /QUIJOTE Release                                 
DATASUM = '2709846217'         / data unit checksum created 2022-11-16T18:00:58 
CHECKSUM= 'ImaALkY6IkaAIkW5'   / HDU checksum created 2022-11-16T18:00:58       
END