ABOUT LAMBDA

FITS Header

Primary Header

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    = '2015-08-11T06:04:15' / file creation date (YYYY-MM-DDThh:mm:ss UT)   
END                                                                             

Extension Header 1

XTENSION= 'BINTABLE'           / binary table extension                         
BITPIX  =                    8 / 8-bit bytes                                    
NAXIS   =                    2 / 2-dimensional binary table                     
NAXIS1  =                24576 / width of table in bytes                        
NAXIS2  =                 3072 / number of rows in table                        
PCOUNT  =                    0 / size of special data area                      
GCOUNT  =                    1 / one data group (required keyword)              
TFIELDS =                    3 / number of fields in each row                   
COMMENT  *************************************                                  
COMMENT                                                                         
COMMENT  -----------------------------------------------                        
COMMENT  Sky Map Pixelisation Specific Keywords                                 
COMMENT  -----------------------------------------------                        
PIXTYPE = 'HEALPIX '           / HEALPIX Pixelisation                           
ORDERING= 'NESTED  '           / Pixel ordering scheme, either RING or NESTED   
NSIDE   =                  512 / Resolution parameter for HEALPIX               
FIRSTPIX=                    0 / First pixel # (0 based)                        
LASTPIX =              3145727 / Last pixel # (0 based)                         
COORDSYS= 'G       '           / Pixelisation coordinate system                 
COMMENT  G = Galactic, E = ecliptic, C = celestial = equatorial                 
BAD_DATA=  -1.637500000000E+30 / Sentinel value given to bad pixels             
COMMENT                                                                         
COMMENT                                                                         
POLCCONV= 'COSMO   '           / Coord. convention for polarisation (COSMO/IAU) 
COMMENT  -----------------------------------------------                        
COMMENT  Data Description Specific Keywords                                     
COMMENT  -----------------------------------------------                        
COMMENT                                                                         
OBJECT  = 'FULLSKY '                                                            
INDXSCHM= 'IMPLICIT'           / Indexing : IMPLICIT or EXPLICIT                
GRAIN   =                    0 / Grain of pixel indexing                        
COMMENT  GRAIN=0 : no indexing of pixel data                         (IMPLICIT) 
COMMENT  GRAIN=1 : 1 pixel index -> 1 pixel data                     (EXPLICIT) 
COMMENT  GRAIN>1 : 1 pixel index -> data of GRAIN consecutive pixels (EXPLICIT) 
COMMENT                                                                         
POLAR   = '.true.  '           / Polarisation included (True/False)             
DERIV   =                    0 / Derivative included (0, 1 or 2)                
COMMENT                                                                         
TTYPE1  = 'TEMPERATURE'        / Temperature map                                
TFORM1  = '1024D   '           / data format of field: 8-byte REAL              
TUNIT1  = 'N/A     '           / map unit                                       
COMMENT                                                                         
TTYPE2  = 'Q-POLARISATION'     / Q Polarisation map                             
TFORM2  = '1024D   '           / data format of field: 8-byte REAL              
TUNIT2  = 'N/A     '           / map unit                                       
COMMENT                                                                         
TTYPE3  = 'U-POLARISATION'     / U Polarisation map                             
TFORM3  = '1024D   '           / data format of field: 8-byte REAL              
TUNIT3  = 'N/A     '           / map unit                                       
COMMENT                                                                         
COMMENT  *************************************                                  
END                                                                             

A service of the HEASARC and of the Astrophysics Science Division at NASA/GSFC
Goddard Space Flight Center, National Aeronautics and Space Administration
HEASARC Director: Dr. Alan P. Smale
LAMBDA Director: Dr. Eric R. Switzer
NASA Official: Dr. Eric R. Switzer
Web Curator: Mr. Michael R. Greason