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FITS Headers

sptpol_iqumaps_500d_hires_90ghz.fits

Primary Header

SIMPLE  =                    T / Written by IDL:  Fri Jul 25 14:43:10 2025      
BITPIX  =                  -32 / Number of bits per data pixel                  
NAXIS   =                    3 / Number of data axes                            
NAXIS1  =                 5040 /                                                
NAXIS2  =                 2640 /                                                
NAXIS3  =                    3 /                                                
DATE    = '2025-07-25'         / Creation UTC (CCCC-MM-DD) date 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    
CRVAL1  =              0.00000 /                                                
CRVAL2  =             -57.5000 /                                                
CRPIX1  =              2520.50 /                                                
CRPIX2  =              1320.50 /                                                
CD1_1   =          -0.00833333 /                                                
CD2_2   =           0.00833333 /                                                
CD2_1   =              0.00000 /                                                
CD1_2   =              0.00000 /                                                
CTYPE1  = 'RA---ZEA'           /                                                
CTYPE2  = 'DEC--ZEA'           /                                                
CUNIT1  = 'deg     '           /                                                
CUNIT2  = 'deg     '           /                                                
RADESYS = 'FK5     '           /                                                
EQUINOX = '2000.00 '           /                                                
TUNIT   = 'KCMB    '           / Physical units of map                          
TELESCOP= 'SPT (South Pole Telescope)' /                                        
REFERENC= 'Chou et al., 2025PhRvD.111l3513C' /                                  
BAND    = '90 GHz  '           /                                                
FIELD   = 'RA0HDEC-57.5'       /                                                
MASKSRC = '1       '           /Bright sources have been masked in filtering    
END

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