PDS_VERSION_ID = PDS3                                                         
                                                                              
RECORD_TYPE  = "FIXED_LENGTH"                                                 
RECORD_BYTES = 86                                                             
FILE_RECORDS = 25                                                             
                                                                              
^TABLE       = "obsparm.tab"                                                  
                                                                              
DATA_SET_ID  = "EAR-C-IDS/LCS-3-RDR-BORRELLY-MCDNLD-V1.0"                     
PRODUCT_NAME = "IDS AND LCS OBSERVATIONAL PARAMETERS (19P/BORRELLY)"          
PRODUCT_ID   = "BORRMCD-OBSPARM-199809"                                       
                                                                              
INSTRUMENT_HOST_NAME  = "MCDONALD OBSERVATORY 2.7M HARLAN J. SMITH TELESCOPE" 
INSTRUMENT_NAME       = {"INTENSIFIED DISSECTOR SCANNER",                     
                         "LARGE CASSEGRAIN SPECTROGRAPH"}                     
TARGET_NAME           = "19P/BORRELLY (1904 Y2)"                              
START_TIME            = 1981-01-03T03:45:00                                   
STOP_TIME             = 1994-12-06T09:51:00                                   
PRODUCT_CREATION_TIME = 1998-09-16                                            
                                                                              
OBJECT     = TABLE                                                            
  INTERCHANGE_FORMAT = "ASCII"                                                
  NAME               = "IDS_LCS_OBSERVING_PARAMETERS"                         
  ROWS               = 25                                                     
  ROW_BYTES          = 86                                                     
  COLUMNS            = 9                                                      
  DESCRIPTION        = "This table lists the observing parameters for the     
    IDS and LCS observations of Comet 19P/Borrelly from McDonald Observatory  
    during its last three apparitions.  These data are reproduced from        
    Table I of Cochran and Barker (1999), Icarus 141,307 [COCHRAN&BARKER1999].
    "                                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER =   1                                                       
    NAME          = "DATE"                                                    
    START_BYTE    =   1                                                       
    BYTES         =  10                                                       
    DATA_TYPE     = "DATE"                                                    
    FORMAT        = "A10"                                                     
    DESCRIPTION   = "Date of observation"                                     
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER =   2                                                       
    NAME          = "START_TIME"                                              
    START_BYTE    =  13                                                       
    BYTES         =   5                                                       
    DATA_TYPE     = "CHARACTER"                                               
    FORMAT        = "A5"                                                      
    DESCRIPTION   = "Start of UT time range, in the form 'HH:MM'"             
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER =   3                                                       
    NAME          = "STOP_TIME"                                               
    START_BYTE    =  19                                                       
    BYTES         =   5                                                       
    DATA_TYPE     = "CHARACTER"                                               
    FORMAT        = "A5"                                                      
    DESCRIPTION   = "End of UT time range, in the form 'HH:MM'"               
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER =   4                                                       
    NAME          = "RH"                                                      
    START_BYTE    =  26                                                       
    BYTES         =   4                                                       
    DATA_TYPE     = "ASCII_REAL"                                              
    FORMAT        = "F4.2"                                                    
    UNIT          = "AU"                                                      
    DESCRIPTION   = "Heliocentric distance of the comet (comet->sun)"         
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER =   5                                                       
    NAME          =  "RH_DOT"                                                 
    START_BYTE    =  33                                                       
    BYTES         =   6                                                       
    DATA_TYPE     = "ASCII_REAL"                                              
    FORMAT        = "F6.2"                                                    
    UNIT          = "KM/SEC"                                                  
    DESCRIPTION   = "Heliocentric velocity of the comet. Velocity is          
      negative as the comet approaches the sun."                              
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER =   6                                                       
    NAME          = "DELTA"                                                   
    START_BYTE    =  43                                                       
    BYTES         =   4                                                       
    DATA_TYPE     = "ASCII_REAL"                                              
    FORMAT        = "F4.2"                                                    
    UNIT          = "AU"                                                      
    DESCRIPTION   = "Geocentric distance of the comet"                        
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER =   7                                                       
    NAME          = "SCALE"                                                   
    START_BYTE    =  52                                                       
    BYTES         =   4                                                       
    DATA_TYPE     = "ASCII_INTEGER"                                           
    FORMAT        = "I4"                                                      
    UNIT          = "KM/ARCSEC"                                               
    DESCRIPTION   = "Distance scale at the comet"                             
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER =   8                                                       
    NAME          = "TAIL_POS_ANGLE"                                          
    START_BYTE    =  60                                                       
    BYTES         =   3                                                       
    DATA_TYPE     = "ASCII_INTEGER"                                           
    FORMAT        = "I3"                                                      
    UNIT          = "DEGREES"                                                 
    VALID_MINIMUM =   0                                                       
    VALID_MAXIMUM = 359                                                       
    DESCRIPTION   = "Predicted position angle of the comet tail, measured     
      North through East"                                                     
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER =   9                                                       
    NAME          = "COMMENT"                                                 
    START_BYTE    =  66                                                       
    BYTES         =  18                                                       
    DATA_TYPE     = "CHARACTER"                                               
    FORMAT        = "A18"                                                     
    DESCRIPTION   = "Brief comment indicating general observing conditions.   
      For dates in 1994, the orientation of the LCS slit is also given        
      relative to position angle of the tail as either 'para.' (parallel) or  
      'perp.' (perpendicular)."                                               
  END_OBJECT = COLUMN                                                         
                                                                              
END_OBJECT = TABLE                                                            
                                                                              
END