SIMPLE  =                    T / file does conform to FITS standard             
BITPIX  =                   32 / 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    = '2018-04-22T08:02:33' / file creation date (YYYY-MM-DDThh:mm:ss UT)   
END                                                                             
-------------------------
XTENSION= 'BINTABLE'           / binary table extension                         
BITPIX  =                    8 / 8-bit bytes                                    
NAXIS   =                    2 / 2-dimensional binary table                     
NAXIS1  =                    4 / width of table in bytes                        
NAXIS2  =             50331648 / number of rows in table                        
PCOUNT  =                    0 / size of special data area                      
GCOUNT  =                    1 / one data group (required keyword)              
TFIELDS =                    1 / number of fields in each row                   
COMMENT  -------------------------------------------------------------          
COMMENT  Further details in the Planck Legacy Archive and Explanatory Supplement
COMMENT  http://www.cosmos.esa.int/web/planck/pla/                              
COMMENT  -------------------------------------------------------------          
COMMENT                                                                         
COMMENT  *** Planck params ***                                                  
COMMENT                                                                         
PIXTYPE = 'HEALPIX '                                                            
COORDSYS= 'GALACTIC'           / Coordinate system                              
ORDERING= 'NESTED  '           / Healpix ordering                               
NSIDE   =                 2048 / Healpix Nside                                  
BAD_DATA=      -1.63750000E+30 / Bad pixel value                                
DATE    = '2018-04-10'         / Creation date                                  
EXT-NAME= 'MASK-POL'           / Extension name                                 
COMMENT                                                                         
TTYPE1  = 'PMASK   '           / P confidence mask                              
TFORM1  = '1E      '           / data format of field: 4-byte REAL              
TUNIT1  = '        '           / No unit                                        
END