PDS_VERSION_ID               = PDS3                                           
RECORD_TYPE                  = "FIXED_LENGTH"                                 
RECORD_BYTES                 = 50                                             
FILE_RECORDS                 = 25                                             
                                                                              
^TABLE                       = "S493_12UM_PHOT.TAB"                           
                                                                              
DATA_SET_ID                  = "DI/IRAS-C-FPA-5-9P-PHOT-V1.0"                 
PRODUCT_NAME                 = "IRAS SURVEY OBS, 9P/TEMPEL 1,                 
  12UM PHOTOMETRY, SOP 493"                                                   
PRODUCT_ID                   = "S493_12UM_PHOT_200508"                        
PRODUCT_CREATION_TIME        = 2005-08-10T14:46:50                            
INSTRUMENT_HOST_NAME         = "INFRARED ASTRONOMICAL SATELLITE"              
INSTRUMENT_NAME              = "FOCAL PLANE ARRAY"                            
TARGET_NAME                  = "9P/TEMPEL 1 (1867 G1)"                        
START_TIME                   = 1983-09-28T11:46:15.77                         
STOP_TIME                    = 1983-09-29T10:06:44.71                         
SPACECRAFT_CLOCK_START_COUNT = 86442375.77                                    
SPACECRAFT_CLOCK_STOP_COUNT  = 86522804.71                                    
                                                                              
NOTE                         = "                                              
  1) Images were constructed by referencing the radiance samples to           
     the orbital position of the comet at the time of the sample.             
     Thus the comet is always at pixel (75, 37), the center of the            
     image, by virtue of its orbital elements, and                            
     B1950_RIGHT_ASCENSION and B1950_DECLINATION refer to the mean            
     right ascension and declination assigned to comet.                       
  2) The associated image is data_set_id and product_id:                      
     DI/IRAS-C-FPA-5-9P-IMAGES-V1.0, S493_12UM_40_RADIANCE_200404.            
"                                                                             
WAVELENGTH                   = 12 <MICROMETER>                                
MEAN_OBSERVATION_TIME        = 1983-09-29T01:26:24.00                         
B1950_RIGHT_ASCENSION        = 259.70232 <DEGREE>                             
B1950_DECLINATION            = -31.38318 <DEGREE>                             
SOLAR_ELONGATION             = 76.39190 <DEGREE>                              
OBSERVATION_INCLINATION      = 351.50580 <DEGREE>                             
EXPOSURE_DURATION            = 336 <SECOND>                                   
TARGET_HELIOCENTRIC_DISTANCE = 1.696 <AU>                                     
TARGET_GEOCENTRIC_DISTANCE   = 1.624 <AU>                                     
PHASE_ANGLE                  = 35.042 <DEGREE>                                
                                                                              
OBJECT              = TABLE                                                   
 INTERCHANGE_FORMAT   = "ASCII"                                               
 ROWS                 = 25                                                    
 ROW_BYTES            = 50                                                    
 COLUMNS              = 5                                                     
 DESCRIPTION          = "Aperture photometry of the dust coma"                
                                                                              
 OBJECT               = COLUMN                                                
   COLUMN_NUMBER        = 1                                                   
   NAME                 = "APERATURE_RADIUS_PIXEL"                            
   DESCRIPTION          = "The radius of the circular aperture used           
     for photometry measurements, in pixels. The aperture was centered        
     on the brightest pixel in the coma. Each pixel is 24 arcseconds."        
   DATA_TYPE            = "ASCII_INTEGER"                                     
   START_BYTE           = 1                                                   
   BYTES                = 3                                                   
   FORMAT               = "I3"                                                
   UNIT                 = "PIXEL"                                             
 END_OBJECT           = COLUMN                                                
                                                                              
 OBJECT               = COLUMN                                                
   COLUMN_NUMBER        = 2                                                   
   NAME                 = "APERATURE_RADIUS_ARCSECOND"                        
   DESCRIPTION          = "The radius of the circular aperture used           
     for photometry measurements, in arcseconds."                             
   DATA_TYPE            = "ASCII_INTEGER"                                     
   START_BYTE           = 5                                                   
   BYTES                = 4                                                   
   FORMAT               = "I4"                                                
   UNIT                 = "ARCSECOND"                                         
 END_OBJECT           = COLUMN                                                
                                                                              
 OBJECT               = COLUMN                                                
   COLUMN_NUMBER        = 3                                                   
   NAME                 = "IN_BAND_RADIANCE"                                  
   DESCRIPTION          = "The sum of the in-band radiance from all           
     pixels within the radius of the aperture, after background               
     subtraction"                                                             
   DATA_TYPE            = "ASCII_REAL"                                        
   START_BYTE           = 10                                                  
   BYTES                = 12                                                  
   FORMAT               = "E12.5"                                             
   UNIT                 = "WATTS/CM**2/SR"                                    
 END_OBJECT           = COLUMN                                                
                                                                              
 OBJECT               = COLUMN                                                
   COLUMN_NUMBER        = 4                                                   
   NAME                 = "MEDIAN_BACKGROUND_SUBTRACTED"                      
   DESCRIPTION          = "Median value of the subtracted background"         
   DATA_TYPE            = "ASCII_REAL"                                        
   START_BYTE           = 23                                                  
   BYTES                = 12                                                  
   FORMAT               = "E12.5"                                             
   UNIT                 = "WATTS/CM**2/SR"                                    
 END_OBJECT           = COLUMN                                                
                                                                              
 OBJECT               = COLUMN                                                
   COLUMN_NUMBER        = 5                                                   
   NAME                 = "IN_BAND_RADIANCE_NOISE"                            
   DESCRIPTION          = "The statistical noise for the in-band radiance     
     within the radius of the aperture"                                       
   DATA_TYPE            = "ASCII_REAL"                                        
   START_BYTE           = 36                                                  
   BYTES                = 12                                                  
   FORMAT               = "E12.5"                                             
   UNIT                 = "WATTS/CM**2/SR"                                    
 END_OBJECT           = COLUMN                                                
                                                                              
END_OBJECT          = TABLE                                                   
END