PDS_VERSION_ID               = PDS3                                           
                                                                              
/* FILE CHARACTERISTICS DATA ELEMENTS */                                      
                                                                              
RECORD_TYPE                  = FIXED_LENGTH                                   
RECORD_BYTES                 = 2880 /* FITS standard record length */         
FILE_RECORDS                 = 47                                             
FILE_NAME                    = "RA_FLAT_002.LBL"                              
DATA_FORMAT                  = FITS                                           
                                                                              
/* INSTRUMENT AND MISSION DESCRIPTIVE DATA ELEMENTS */                        
                                                                              
INSTRUMENT_ID                = "ALICE"                                        
INSTRUMENT_NAME              = "ALICE"                                        
INSTRUMENT_TYPE              = "ULTRAVIOLET SPECTROMETER"                     
INSTRUMENT_HOST_ID           = "RO"                                           
INSTRUMENT_HOST_NAME         = "ROSETTA-ORBITER"                              
MISSION_ID                   = "ROSETTA"                                      
MISSION_NAME                 = "INTERNATIONAL ROSETTA MISSION"                
                                                                              
                                                                              
/* DATA OBJECT POINTERS IDENTIFICATION DATA ELEMENTS */                       
^HEADER                      = ("RA_FLAT_002.FIT",1)                          
^IMAGE                       = ("RA_FLAT_002.FIT",2)                          
                                                                              
                                                                              
/* PRODUCT, DATA SET, AND VOLUME DATA ELEMENTS */                             
                                                                              
PRODUCT_ID                   = "RA_FLAT_002"                                  
PRODUCT_TYPE                 = REDR /* CODMAC Data Level 3 */                 
PRODUCT_CREATION_TIME        = 2006-03-24                                     
DATA_SET_ID                  = "RO-C/CAL-ALICE-4-EXT2-V2.0"                   
PRODUCER_ID                  = "ROSETTA_ALICE"                                
PRODUCER_FULL_NAME           = "ANDREW J. STEFFL"                             
PRODUCER_INSTITUTION_NAME    = "SOUTHWEST RESEARCH INSTITUTE"                 
                                                                              
                                                                              
/* DATA OBJECT DEFINITIONS */                                                 
                                                                              
OBJECT                       = HEADER                                         
  BYTES                      = 2880 /* RECORD_BYTES x RECORDS */              
  HEADER_TYPE                = FITS                                           
  INTERCHANGE_FORMAT         = BINARY                                         
  RECORDS                    = 1                                              
  DESCRIPTION                = "                                              
    FITS header for Rosetta-Alice Notch-only flatfield file"                  
END_OBJECT                   = HEADER                                         
                                                                              
                                                                              
OBJECT                       = IMAGE                                          
  LINE_SAMPLES               = 1024 /* FITS NAXIS1 keyword */                 
  LINES                      = 32 /* FITS NAXIS2 keyword */                   
  SAMPLE_BITS                = 32                                             
  SAMPLE_TYPE                = IEEE_REAL                                      
  AXIS_ORDER_TYPE            = "FIRST_INDEX_FASTEST"                          
  LINE_DISPLAY_DIRECTION     = "UP"                                           
  SAMPLE_DISPLAY_DIRECTION   = "RIGHT"                                        
  DESCRIPTION                = "                                              
    RA_FLAT_002.FIT contains the detector flatfield correction for Rosetta    
    Alice, as measured in the laboratory. The flatfield has been              
    normalized to the active area of the detector, excluding the              
    photocathode gap region around Lyman alpha (approx. columns               
    605-625). After applying this flatfield to in-flight data, it was         
    found that a significant flatfield artifact was introduced in the         
    pixels contained in the range [675:710,16:18]. Due to the Rosetta         
    pointing errors during the first Earth Swing-by, no in-flight             
    flatfield is presently available. In light of the artifacts introduced    
    by the laboratory flatfield, the Alice team currently (as of this         
    dataset release) recommends that no flatfield be applied to the data."    
END_OBJECT                   = IMAGE                                          
                                                                              
                                                                              
END