PDS_VERSION_ID        = PDS3                                                  
RECORD_TYPE           = "FIXED_LENGTH"                                        
RECORD_BYTES          = 95                                                    
PRODUCT_ID            = "LOCD-LOCDPARM-199801"                                
PRODUCT_NAME          = "LOCD: Observing Parameters"                          
PRODUCT_CREATION_TIME = 1998-01-08T21:46:23Z                                  
FILE_RECORDS          = 810                                                   
DATA_SET_ID           = "EAR-C-PHOT-3-RDR-LOWELL-COMET-DB-V1.0"               
TARGET_NAME           = "COMET"                                               
START_TIME            = 1976-08-12T06:24:28.800                               
STOP_TIME             = 1991-10-11T11:15:21.600                               
INSTRUMENT_HOST_NAME  = "LOWELL OBSERVATORY"                                  
INSTRUMENT_NAME       = "PHOTOMETER"                                          
OBSERVER_FULL_NAME    = "A'HEARN,M/ET AL."                                    
                                                                              
^TABLE                = "locdparm.tab"                                        
                                                                              
OBJECT     = TABLE                                                            
  INTERCHANGE_FORMAT = "ASCII"                                                
  ROWS               = 810                                                    
  ROW_BYTES          = 95                                                     
  COLUMNS            = 14                                                     
  DESCRIPTION        = "                                                      
    This parameter file lists observational parameters for the Lowell         
    Observatory Cometary Database"                                            
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 1                                                         
    NAME          = "PERIODIC_NUMBER"                                         
    START_BYTE    = 1                                                         
    BYTES         = 3                                                         
    FORMAT        = "I3"                                                      
    DATA_TYPE     = "ASCII_INTEGER"                                           
    DESCRIPTION   = "Periodic comet number, or blank if this is either a      
      not a short-period comet or has not yet been numbered."                 
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 2                                                         
    NAME          = "COMET_TYPE"                                              
    START_BYTE    = 4                                                         
    BYTES         = 1                                                         
    FORMAT        = "A1"                                                      
    DATA_TYPE     = "CHARACTER"                                               
    DESCRIPTION   = "A one-character code indicating the type of comet:       
        C  non-periodic comet                                                 
        D  defunct comet                                                      
        P  periodic comet                                                     
      This field is separated from the COMET_NAME by a slash (/)."            
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 3                                                         
    NAME          = "COMET_NAME"                                              
    START_BYTE    = 6                                                         
    FORMAT        = "A25"                                                     
    DATA_TYPE     = "CHARACTER"                                               
    BYTES         = 25                                                        
    DESCRIPTION   = "Full name of the comet"                                  
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 4                                                         
    NAME          = "IAU_DESIGNATION"                                         
    START_BYTE    = 32                                                        
    BYTES         = 7                                                         
    DATA_TYPE     = "CHARACTER"                                               
    FORMAT        = "A7"                                                      
    DESCRIPTION   = "Official IAU discovery designation of the object"        
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 5                                                         
    NAME          = "OLD_IAU_PROV_ID"                                         
    START_BYTE    = 41                                                        
    FORMAT        = "A6"                                                      
    DATA_TYPE     = "CHARACTER"                                               
    BYTES         = 6                                                         
    DESCRIPTION   = "IAU provisional comet designation in the old             
      system, if known"                                                       
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 6                                                         
    NAME          = "OBSERVATION_YEAR"                                        
    START_BYTE    = 48                                                        
    FORMAT        = "I4"                                                      
    DATA_TYPE     = "ASCII_INTEGER"                                           
    BYTES         = 4                                                         
    DESCRIPTION   = "Four-digit year of observation"                          
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 7                                                         
    NAME          = "OBSERVATION_MONTH"                                       
    START_BYTE    = 53                                                        
    FORMAT        = "I2"                                                      
    DATA_TYPE     = "ASCII_INTEGER"                                           
    BYTES         = 2                                                         
    DESCRIPTION   = "2-digit month of observation"                            
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 8                                                         
    NAME          = "OBSERVATION_DAY"                                         
    START_BYTE    = 56                                                        
    FORMAT        = "F6.3"                                                    
    DATA_TYPE     = "ASCII_REAL"                                              
    BYTES         = 6                                                         
    DESCRIPTION   = "Day-in-month of observation, with decimal fraction       
      of a day"                                                               
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 9                                                         
    NAME          = "R_HELIO"                                                 
    START_BYTE    = 63                                                        
    FORMAT        = "F5.3"                                                    
    UNIT          = "AU"                                                      
    DATA_TYPE     = "ASCII_REAL"                                              
    BYTES         = 5                                                         
    DESCRIPTION   = "Heliocentric distance of the comet during the            
      observation in Astronomical Units (AU)"                                 
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 10                                                        
    NAME          = "DELTA"                                                   
    START_BYTE    = 69                                                        
    FORMAT        = "F4.2"                                                    
    UNIT          = "AU"                                                      
    DATA_TYPE     = "ASCII_REAL"                                              
    BYTES         = 4                                                         
    DESCRIPTION   = "Geocentric distance of the comet during the              
      observation in Astronomical Units (AU)."                                
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 11                                                        
    NAME          = "VR_HELIO"                                                
    START_BYTE    = 74                                                        
    FORMAT        = "F5.1"                                                    
    UNIT          = "KM/S"                                                    
    DATA_TYPE     = "ASCII_REAL"                                              
    BYTES         = 5                                                         
    DESCRIPTION   = "Comet heliocentric radial velocity during the            
      observation in units of kilometers/second"                              
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 12                                                        
    NAME          = "TELESCOPE_ID"                                            
    START_BYTE    = 80                                                        
    FORMAT        = "A3"                                                      
    DATA_TYPE     = "CHARACTER"                                               
    BYTES         = 3                                                         
    DESCRIPTION   = "ID of telescope used:                                    
                      L = Lowell                                              
                      M = Mauna Kea                                           
                      P = Perth                                               
                      J = Mt. John                                            
      The number refers to the diameter of the telescope in inches."          
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 13                                                        
    NAME          = "APERTURE_SIZE"                                           
    START_BYTE    = 84                                                        
    FORMAT        = "F5.1"                                                    
    UNIT          = "ARCSECOND"                                               
    DATA_TYPE     = "ASCII_REAL"                                              
    BYTES         = 5                                                         
    DESCRIPTION   = "Diameter of the aperture used in arcseconds"             
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 14                                                        
    NAME          = "LOG_RHO"                                                 
    START_BYTE    = 90                                                        
    FORMAT        = "F4.2"                                                    
    UNIT          = "KM"                                                      
    DATA_TYPE     = "ASCII_REAL"                                              
    BYTES         = 4                                                         
    DESCRIPTION   = "Rho is the projected radius of the aperture at the       
      comet in kilometers. The log of this distance is listed."               
  END_OBJECT = COLUMN                                                         
END_OBJECT = TABLE                                                            
END