PDS_VERSION_ID        = PDS3                                                  
                                                                              
RECORD_TYPE           = "FIXED_LENGTH"                                        
RECORD_BYTES          = 116                                                   
FILE_RECORDS          = 5841                                                  
                                                                              
^TABLE                = "TEMPLOG_TV4_MRI.TAB"                                 
                                                                              
DATA_SET_ID           = "DIF-CAL-HRII/HRIV/MRI-2-GROUND-TV4-V1.0"             
PRODUCT_NAME          = "DEEP IMPACT TEMPERATURE LOG TV4 MRI"                 
PRODUCT_ID            = "TEMPLOG_TV4_MRI-20040907"                            
                                                                              
INSTRUMENT_HOST_NAME  = "DEEP IMPACT FLYBY SPACECRAFT"                        
INSTRUMENT_ID         = { "MRI" }                                             
TARGET_NAME           = "CALIBRATION"                                         
                                                                              
PRODUCT_CREATION_TIME = 2004-09-07T18:14:15                                   
START_TIME            = 2003-02-22T13:07:00   /* day of year 053 */           
STOP_TIME             = 2003-03-12T23:59:00   /* day of year 071 */           
                                                                              
OBJECT     = TABLE                                                            
  INTERCHANGE_FORMAT = "ASCII"                                                
  NAME               = "TEMPS_TV4_MRI"                                        
  ROWS               = 5841                                                   
  ROW_BYTES          = 116                                                    
  COLUMNS            = 10                                                     
  DESCRIPTION        = "Temperatures for the MRI CCD were automatically       
    recorded by the MRI thermister monitor, a computer, during the            
    fourth thermal-vacuum test (TV4).  The monitor sampled and recorded       
    temperatures at approximately 5-minute intervals.                         
                                                                              
    All time stamps in this table are the local Mountain Standard time        
    at the MRI thermistor monitor.  Local time stamps are also used           
    in the filenames for MRI data.                                            
    "                                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 1                                                         
    NAME          = "RECORDED_DOY_TIME"                                       
    START_BYTE    = 1                                                         
    BYTES         = 14                                                        
    DATA_TYPE     = "ASCII_REAL"                                              
    FORMAT        = "F14.8"                                                   
    DESCRIPTION   = "This column contains the time stamp from the             
      MRI thermister monitor in decimal day-of-year format,                   
      yyddd.hhhhhhhh where yy is the last 2 digits of the year,               
      ddd is the day of year, and hhhhhhhh is time of day converted           
      to a fraction of a day."                                                
    NOTE          = "Differences between the clock time of the MRI            
      thermister monitor and MRI ITOC were not rigorously recorded            
      during TV4.  During the second half of TV4, both the HRI and MRI        
      thermister monitors were reset at midnight. Per Dennis Wellnitz,        
      temperature time stamps should be within one half of an hour of         
      the ITOC time stamp that is part of the image file name.                
      Therfore, for TV4, RECORDED_DOY_TIME values were used to populate       
       CORRECTED_DOY_TIME."                                                   
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 2                                                         
    NAME          = "CORRECTED_DOY_TIME"                                      
    START_BYTE    = 17                                                        
    BYTES         = 14                                                        
    DATA_TYPE     = "ASCII_REAL"                                              
    FORMAT        = "F14.8"                                                   
    DESCRIPTION   = "This field is identical to RECORDED_DOY_TIME for         
      TV4 temperatures.  RECORDED_DOY_TIME values were used to populate       
      CORRECTED_DOY_TIME.  Values from RECORDED_DOY_TIME or                   
      CORRECTED_DOY_TIME can be used for time-based temperature               
      analyses."                                                              
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER    = 3                                                      
    NAME             = "CCD_PLATE_ASSEMBLY_A_TEMP"                            
    START_BYTE       = 33                                                     
    BYTES            = 7                                                      
    DATA_TYPE        = "ASCII_REAL"                                           
    FORMAT           = "F7.3"                                                 
    UNIT             = "KELVIN"                                               
    DESCRIPTION      = "First of two temperatures from the MRI CCD plate      
      assembly; spacecraft flight board A"                                    
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER    = 4                                                      
    NAME             = "TELE_BARREL_CENTER_TEMP"                              
    START_BYTE       = 42                                                     
    BYTES            = 7                                                      
    DATA_TYPE        = "ASCII_REAL"                                           
    FORMAT           = "F7.3"                                                 
    UNIT             = "KELVIN"                                               
    DESCRIPTION      = "Temperature of the MRI telescope barrel at            
      center bottom; spacecraft flight board A"                               
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER    = 5                                                      
    NAME             = "OPTICAL_BENCH_AT_PRIMARY_TEMP"                        
    START_BYTE       = 51                                                     
    BYTES            = 7                                                      
    DATA_TYPE        = "ASCII_REAL"                                           
    FORMAT           = "F7.3"                                                 
    UNIT             = "KELVIN"                                               
    DESCRIPTION      = "Temperature of the MRI optical bench at the           
      primary mirror; spacecraft flight board A"                              
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER    = 6                                                      
    NAME             = "CCD_PLATE_ASSEMBLY_B_TEMP"                            
    START_BYTE       = 60                                                     
    BYTES            = 7                                                      
    DATA_TYPE        = "ASCII_REAL"                                           
    FORMAT           = "F7.3"                                                 
    UNIT             = "KELVIN"                                               
    DESCRIPTION      = "Second of two temperatures from the MRI CCD plate     
      assembly; spacecraft flight board B"                                    
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER    = 7                                                      
    NAME             = "PRIMARY_MIRROR_TEMP"                                  
    START_BYTE       = 69                                                     
    BYTES            = 7                                                      
    DATA_TYPE        = "ASCII_REAL"                                           
    FORMAT           = "F7.3"                                                 
    UNIT             = "KELVIN"                                               
    DESCRIPTION      = "Temperature of the MRI primary mirror;                
      spacecraft flight board B"                                              
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER    = 8                                                      
    NAME             = "PREAMPB_BOX_TEMP"                                     
    START_BYTE       = 78                                                     
    BYTES            = 7                                                      
    DATA_TYPE        = "ASCII_REAL"                                           
    FORMAT           = "F7.3"                                                 
    UNIT             = "KELVIN"                                               
    DESCRIPTION      = "Temperature of the MRI pre-amp box;                   
      spacecraft flight board B"                                              
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER    = 9                                                      
    NAME             = "TELE_BARREL_BAFFLE_EXT_TEMP"                          
    START_BYTE       = 87                                                     
    BYTES            = 7                                                      
    DATA_TYPE        = "ASCII_REAL"                                           
    FORMAT           = "F7.3"                                                 
    UNIT             = "KELVIN"                                               
    DESCRIPTION      = "Temperature of the MRI telescope box baffle           
      extension; spacecraft flight board B"                                   
  END_OBJECT = COLUMN                                                         
                                                                              
  OBJECT     = COLUMN                                                         
    COLUMN_NUMBER = 10                                                        
    NAME          = "CORRECTED_TIME"                                          
    START_BYTE    = 96                                                        
    BYTES         = 19                                                        
    DATA_TYPE     = "CHARACTER"                                               
    FORMAT        = "A19"                                                     
    DESCRIPTION   = "The value of the decimal day-of-year time,               
      CORRECTED_DOY_TIME, converted to a date and time and                    
      formatted as yyyy-mm-ddThh:mm:ss"                                       
  END_OBJECT = COLUMN                                                         
                                                                              
END_OBJECT = TABLE                                                            
                                                                              
END