PDS_VERSION_ID                  = PDS3                                        
                                                                              
RECORD_TYPE                     = STREAM                                      
RELEASE_ID                      = 0007                                        
REVISION_ID                     = 0000                                        
                                                                              
OBJECT                          = TEXT                                        
  PUBLICATION_DATE              = 2010-08-19                                  
  NOTE                          = "Description of the CATALOG directory       
                                   contents for the NPD instrument data set." 
END_OBJECT                      = TEXT                                        
END                                                                           
                                                                              
                                                                              
                   CATALOG Directory Contents                                 
                                                                              
The CATALOG directory contains high-level catalog objects for the             
Venus Express ASPERA-4 archive volume.  The following files are found         
in this directory.                                                            
                                                                              
CATINFO.TXT -             The file you are reading.                           
                                                                              
INST.CAT -                High-level catalog object for the Venus             
                          Express ASPERA-4 instrument.                        
                                                                              
DATASET.CAT -             High-level catalog object for the ASPERA-4          
                          Neutral Particle Detector (NPD) raw EDR data set.   
                                                                              
RELEASE.CAT -             High-level release object for the ASPERA-4          
                          Neutral Particle Detector (NPD) data sets.          
                                                                              
MISSION.CAT -             High-level catalog object for the                   
                          Venus Express Mission.                              
                                                                              
INSTHOST.CAT -            High-level catalog object for the Venus Express     
                          spacecraft.                                         
                                                                              
PERSON.CAT -              High-level catalog object for personnel associated  
                          with the VEX ASPERA-4 archive.                      
                                                                              
REF.CAT -                 High-level catalog object for references cited in   
                          the other catalog object files.                     
                                                                              
TARGET.CAT -              High-level catalog object for listing the key       
                          physical properties of the targets of research.