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FITS Headers

wmap_sim_model_sky_maps_r10_Q2_v4.fits

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            
DATE    = '2011-10-25T00:00:00' /file creation date (YYYY-MM-DDThh:mm:ss UT)    
TELESCOP= 'WMAP     '          / Wilkinson Microwave Anisotropy Probe           
OBJECT  = 'ALL-SKY '           / Portion of sky given                           
COMMENT This file contains the differencing assembly dependent CMB and galaxy   
COMMENT foreground model for the WMAP 7yr simulations. There are three          
COMMENT components to the model:                                                
COMMENT 1) The modeled CMB contribution to the sky provided in Stokes I and in  
COMMENT Stokes Q and U polarization signals.                                    
COMMENT 2) The Galaxy Stokes I model; a signal is provided for each of          
COMMENT the four WMAP channels.                                                 
COMMENT 3) The Galaxy polarization model provided as Q and U signals.           
COMMENT These models are in the form of HEALPix resolution 10 skymaps, smoothed 
COMMENT to a beam response appropriate for the differencing assembly indicated  
COMMENT by the DA keyword. Each of these three components is provided in a      
COMMENT separate FITS binary table extension in this file.                      
REFERENC= 'WMAP Explanatory Supplement: http://lambda.gsfc.nasa.gov/'           
RELEASE = 'DR4     '           / WMAP Release                                   
VERSION = 'PASS 4  '           / Internal WMAP Version                          
STOKES  = 'IQU     '           /                                                
DA      = 'Q2      '           / Differencing Assembly                          
FREQ    = 'Q-band  '           / Frequency band                                 
RESOLUTN=                   10 / Resolution index                               
SKYCOORD= 'Galactic'           / Coordinate system                              
PIXTYPE = 'HEALPIX '           / Pixel algorithm                                
ORDERING= 'NESTED  '           / Ordering scheme                                
NSIDE   =                 1024 / Resolution parameter                           
NPIX    =             12582912 / # of pixels                                    
FIRSTPIX=                    0 / First pixel (0 based)                          
LASTPIX =             12582911 / Last pixel (0 based)                           
END                                                                             

CMB_Model_Component

XTENSION= 'BINTABLE'           /binary table extension                          
BITPIX  =                    8 /8-bit bytes                                     
NAXIS   =                    2 /2-dimensional binary table                      
NAXIS1  =                   12 /width of table in bytes                         
NAXIS2  =             12582912 /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  *** End of mandatory fields ***                                        
COMMENT                                                                         
COMMENT                                                                         
COMMENT  *** Column names ***                                                   
COMMENT                                                                         
TTYPE1  = 'TEMPERATURE'        /label for field   1                             
COMMENT                                                                         
COMMENT  *** Column formats ***                                                 
COMMENT                                                                         
TFORM1  = 'E       '           /data format of field: 4-byte REAL               
TUNIT1  = 'mK, thermodynamic'  /physical unit of field                          
TTYPE2  = 'Q_POLARIZATION'     /label for field   2                             
TFORM2  = 'E       '           /data format of field: 4-byte REAL               
TUNIT2  = 'mK, thermodynamic'  /physical unit of field                          
TTYPE3  = 'U_POLARIZATION'     /label for field   3                             
TFORM3  = 'E       '           /data format of field: 4-byte REAL               
TUNIT3  = 'mK, thermodynamic'  /physical unit of field                          
EXTNAME = 'CMB_Model_Component' /Name of this binary table extension            
DATE    = '2011-10-25T00:00:00' /Table/MAP creation date                        
PIXTYPE = 'HEALPIX '           /Pixel algorithm                                 
ORDERING= 'NESTED  '           /Ordering scheme                                 
NSIDE   =                 1024 /Resolution parameter                            
FIRSTPIX=                    0 /First pixel (0 based)                           
LASTPIX =             12582912 /Last pixel (0 based)                            
COMMENT This extension contains the model CMB Intensity and Polarization (I,Q,U)
COMMENT realization for the WMAP 7yr simulations. The models are in the form    
COMMENT of HEALPix resolution 10 skymaps. The model is computed from an         
COMMENT assumed power spectrum and smoothed to a beam response appropriate for  
COMMENT the differencing assembly indicated by the DA keyword.                  
REFERENC= 'WMAP Explanatory Supplement: http://lambda.gsfc.nasa.gov/' /         
END                                                                             

Galaxy_Temperature_Model_Component

XTENSION= 'BINTABLE'           /binary table extension                          
BITPIX  =                    8 /8-bit bytes                                     
NAXIS   =                    2 /2-dimensional binary table                      
NAXIS1  =                   16 /width of table in bytes                         
NAXIS2  =             12582912 /number of rows in table                         
PCOUNT  =                    0 /size of special data area                       
GCOUNT  =                    1 /one data group (required keyword)               
TFIELDS =                    4 /number of fields in each row                    
COMMENT                                                                         
COMMENT  *** End of mandatory fields ***                                        
COMMENT                                                                         
COMMENT                                                                         
COMMENT  *** Column names ***                                                   
COMMENT                                                                         
TTYPE1  = 'CHAN_13 '           /label for field   1                             
COMMENT                                                                         
COMMENT  *** Column formats ***                                                 
COMMENT                                                                         
TFORM1  = 'E       '           /data format of field: 4-byte REAL               
TUNIT1  = 'mK, thermodynamic'  /physical unit of field                          
TTYPE2  = 'CHAN_14 '           /label for field   2                             
TFORM2  = 'E       '           /data format of field: 4-byte REAL               
TUNIT2  = 'mK, thermodynamic'  /physical unit of field                          
TTYPE3  = 'CHAN_23 '           /label for field   3                             
TFORM3  = 'E       '           /data format of field: 4-byte REAL               
TUNIT3  = 'mK, thermodynamic'  /physical unit of field                          
TTYPE4  = 'CHAN_24 '           /label for field   4                             
TFORM4  = 'E       '           /data format of field: 4-byte REAL               
TUNIT4  = 'mK, thermodynamic'  /physical unit of field                          
EXTNAME = 'Galaxy_Temperature_Model_Component' /Name of this binary table extens
DATE    = '2011-10-25T00:00:00' /Table/MAP creation date                        
PIXTYPE = 'HEALPIX '           /Pixel algorithm                                 
ORDERING= 'NESTED  '           /Ordering scheme                                 
NSIDE   =                 1024 /Resolution parameter                            
FIRSTPIX=                    0 /First pixel (0 based)                           
LASTPIX =             12582912 /Last pixel (0 based)                            
COMMENT This extension contains the Galaxy temperature model (Stokes I)         
COMMENT used for the WMAP 7yr simulations. These models are in the form         
COMMENT of HEALPix resolution 10 skymaps.  Models are evaluated separately      
COMMENT for each of four channels in the differencing assembly indicated by     
COMMENT the DA keyword and smoothed to a beam response appropriate              
COMMENT for the center frequncy of each channel.                                
REFERENC= 'WMAP Explanatory Supplement: http://lambda.gsfc.nasa.gov/' /         
END                                                                             

Galaxy_Polarization_Model_Component

XTENSION= 'BINTABLE'           /binary table extension                          
BITPIX  =                    8 /8-bit bytes                                     
NAXIS   =                    2 /2-dimensional binary table                      
NAXIS1  =                    8 /width of table in bytes                         
NAXIS2  =             12582912 /number of rows in table                         
PCOUNT  =                    0 /size of special data area                       
GCOUNT  =                    1 /one data group (required keyword)               
TFIELDS =                    2 /number of fields in each row                    
COMMENT                                                                         
COMMENT  *** End of mandatory fields ***                                        
COMMENT                                                                         
COMMENT                                                                         
COMMENT  *** Column names ***                                                   
COMMENT                                                                         
TTYPE1  = 'Q_POLARIZATION'     /label for field   1                             
COMMENT                                                                         
COMMENT  *** Column formats ***                                                 
COMMENT                                                                         
TFORM1  = 'E       '           /data format of field: 4-byte REAL               
TUNIT1  = 'mK, thermodynamic'  /physical unit of field                          
TTYPE2  = 'U_POLARIZATION'     /label for field   2                             
TFORM2  = 'E       '           /data format of field: 4-byte REAL               
TUNIT2  = 'mK, thermodynamic'  /physical unit of field                          
EXTNAME = 'Galaxy_Polarization_Model_Component' /Name of this binary table exten
DATE    = '2011-10-25T00:00:00' /Table/MAP creation date                        
PIXTYPE = 'HEALPIX '           /Pixel algorithm                                 
ORDERING= 'NESTED  '           /Ordering scheme                                 
NSIDE   =                 1024 /Resolution parameter                            
FIRSTPIX=                    0 /First pixel (0 based)                           
LASTPIX =             12582912 /Last pixel (0 based)                            
COMMENT This extension contains the Galaxy polarization model (Stokes Q,U)      
COMMENT used for the WMAP 7yr simulations. These models are in the form         
COMMENT of HEALPix resolution 10 skymaps, smoothed to a beam response           
COMMENT appropriate for the differencing assembly indicated by the DA keyword.  
REFERENC= 'WMAP Explanatory Supplement: http://lambda.gsfc.nasa.gov/' /         
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