ABOUT LAMBDA

FITS Headers

wmap_mcmc_sd_flag_7yr_v4p1.fits

Primary Header

SIMPLE  =                    T / Written by IDL:  Mon Jan 11 13:21:39 2010      
BITPIX  =                   32 / Number of bits per data pixel                  
NAXIS   =                    0 / Number of data axes                            
EXTEND  =                    T / FITS data may contain extensions               
DATE    = '2010-01-11'         / 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    
TELESCOP= 'WMAP    '           /Wilkinson Microwave Anisotropy Probe            
OBJECT  = 'ALL-SKY '           /Portion of the sky given.                       
EQUINOX =              2000.00 /Equinox of coordinates                          
REFERENC= 'WMAP Explanatory Supplement: http://lambda.gsfc.nasa.gov/' /         
RELEASE = 'DR4     '           /WMAP Release                                    
SKYCOORD= 'Galactic'           /Coordinate system                               
PIXTYPE = 'HEALPIX '           /Pixel algorithm                                 
ORDERING= 'NESTED  '           /Ordering scheme                                 
RESOLUTN=                    6 /Resolution index                                
NSIDE   =                   64 /Resolution parameter                            
NPIX    =                49152 /# of pixels                                     
FIRSTPIX=                    0 /First pixel (0 based)                           
LASTPIX =                49151 /Last pixel (0 based)                            
COMMENT Shifted Spinning Dust Fitting Model                                     
COMMENT Error flag map.  Each pixel is a bit map representing:                  
COMMENT  0 = no error                                                           
COMMENT  1 = did not find a good adaptive stepsize in the "prechain"            
COMMENT      for that pixel, but the chain was run anyway                       
COMMENT  2 = the chain for that pixel failed the convergence test               
COMMENT  4 = not used                                                           
COMMENT  8 = not used                                                           
COMMENT 16 = pixel was masked before processing, no fit was done                
END                                                                             

Extension Header 2

XTENSION= 'BINTABLE'           /Binary table written by MWRFITS v1.10           
BITPIX  =                    8 /Required value                                  
NAXIS   =                    2 /Required value                                  
NAXIS1  =                    2 /Number of bytes per row                         
NAXIS2  =                49152 /Number of rows                                  
PCOUNT  =                    0 /Normally 0 (no varying arrays)                  
GCOUNT  =                    1 /Required value                                  
TFIELDS =                    1 /Number of columns in table                      
COMMENT                                                                         
COMMENT  *** End of mandatory fields ***                                        
COMMENT                                                                         
SKYCOORD= 'Galactic'           /Coordinate system                               
PIXTYPE = 'HEALPIX '           /Pixel algorithm                                 
ORDERING= 'NESTED  '           /Ordering scheme                                 
RESOLUTN=                    6 /Resolution index                                
NSIDE   =                   64 /Resolution parameter                            
NPIX    =                49152 /# of pixels                                     
FIRSTPIX=                    0 /First pixel (0 based)                           
LASTPIX =                49151 /Last pixel (0 based)                            
COMMENT                                                                         
COMMENT  *** Column names ***                                                   
COMMENT                                                                         
TTYPE1  = 'FLAG    '           /                                                
COMMENT                                                                         
COMMENT  *** Column formats ***                                                 
COMMENT                                                                         
TFORM1  = 'I       '           /                                                
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