PDS_VERSION_ID                 = PDS3                                         
RECORD_TYPE                    = STREAM                                       
                                                                              
SPACECRAFT_NAME                = "INFRARED ASTRONOMICAL SATELLITE"            
INSTRUMENT_NAME                = "FOCAL PLANE ARRAY"                          
INSTRUMENT_ID                  = "FPA"                                        
                                                                              
OBJECT                         = TEXT                                         
  NOTE                         = "Description of the CATALOG directory        
                                  for the IRAS 9P/TEMPEL 1 archive volume."   
  PUBLICATION_DATE             = 2003-05-29 /* Preliminary Review Date */     
END_OBJECT                     = TEXT                                         
END                                                                           
                                                                              
    The CATALOG directory contains all of the PDS catalog objects describing  
the IRAS mission, spacecraft, focal plane array, filter transmission files,   
and datasets relating to comet 9P/Tempel 1.                                   
                                                                              
    The following files are found in this directory.                          
                                                                              
CATINFO.CAT    - The file you are reading.                                    
                                                                              
MISSION.CAT    - Description of the IRAS mission.                             
                                                                              
INSTHOST.CAT   - Description of the IRAS satellite.                           
                                                                              
INSTRMNT.CAT   - Description of the  the IRAS focal plane array of detectors. 
                                                                              
FILTERDS.CAT   - Description of the 4 datasets containing the transmission    
                 profiles of the IRAS broadband filters.                      
                                                                              
AOIMGDS.CAT    - Description of the reprocessed Additional Observations       
                 (Pointed) images containing comet 9P/Tempel 1.               
                                                                              
AOPHOTDS.CAT   - Description of the photometry of comet 9P/Tempel 1 based     
                 on the reprocessed Additional Observation images.            
                                                                              
SSIMGDS.CAT    - Description of the reconstructed and reprocessed Survey Scan 
                 images containing comet 9P/Tempel 1.                         
                                                                              
SSPHOTDS.CAT   - Description of the photometry of comet 9P/Tempel 1 based     
                 on the reprocessed Survey Scan images.                       
                                                                              
TRAILDS.CAT    - Description of the IRAS Rejected image files that contain    
                 the dust trail of comet 9P/Tempel 1.                         
                                                                              
REF.CAT        - References mentioned in other *.CAT files.