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FITS Headers

EDA2prior159_Haslam408_SI_HPX2D.fits

Primary Header

SIMPLE  =                    T / file does conform to FITS standard             
BITPIX  =                  -32 / number of bits per data pixel                  
NAXIS   =                    2 / number of data axes                            
NAXIS1  =                  320 / length of data axis 1                          
NAXIS2  =                  320 / length of data axis 2                          
EXTEND  =                    F / No FITS extensions are present                 
COMMENT   FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT   and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H 
DATE    = '2022-02-07T06:05:13' / file creation date (YYYY-MM-DDThh:mm:ss UT)   
CRPIX1  =                160.5 / Coordinate reference pixel                     
CRPIX2  =                160.5 / Coordinate reference pixel                     
PC1_1   =           0.70710677 / Transformation matrix element                  
PC1_2   =           0.70710677 / Transformation matrix element                  
PC2_1   =          -0.70710677 / Transformation matrix element                  
PC2_2   =           0.70710677 / Transformation matrix element                  
CDELT1  =          -0.99436891 / [deg] Coordinate increment                     
CDELT2  =           0.99436891 / [deg] Coordinate increment                     
CTYPE1  = 'RA---HPX'           / Right ascension in an HPX projection           
CTYPE2  = 'DEC--HPX'           / Declination in an HPX projection               
CRVAL1  =                   0. / [deg] Right ascension at the reference point   
CRVAL2  =                   0. / [deg] Declination at the reference point       
PV2_1   =                    4 / HPX H parameter (longitude)                    
PV2_2   =                    3 / HPX K parameter  (latitude)                    
                                                                                
COMMENT Celestial map with FITS-standard HPX coordinate system generated by     
COMMENT 'HPXcvt' which reorganises HEALPix data without interpolation as        
COMMENT described in "Mapping on the HEALPix grid" by Mark Calabretta and       
COMMENT Boud Roukema.  See http://www.atnf.csiro.au/people/Mark.Calabretta      
HISTORY Original input file: EDA2prior_Haslam_SI_HPXbin.fits                    
HISTORY      Original NSIDE: 64                                                 
HISTORY   Original ordering: RING                                               
END

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