PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 370 FILE_RECORDS = 6213 ^IMAGE_INDEX_TABLE = "CUMINDEX.TAB" OBJECT = IMAGE_INDEX_TABLE INTERCHANGE_FORMAT = ASCII ROWS = 6213 ROW_BYTES = 370 COLUMNS = 32 OBJECT = COLUMN NAME = IMAGE_NUMBER DATA_TYPE = UNSIGNED INTEGER START_BYTE = 1 BYTES = 9 DESCRIPTION = "For the WAC EM: seconds from an epoch using Engineering Ground Support Equipement(EGSE) clock source. For other ground calibration data: monotonically increasing sequence number." END_OBJECT = COLUMN OBJECT = COLUMN NAME = VOLUME_ID DATA_TYPE = CHARACTER START_BYTE = 12 BYTES = 10 DESCRIPTION = "The name of the CD-WO volume for this image." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FILE_SPECIFICATION_NAME DATA_TYPE = CHARACTER START_BYTE = 25 BYTES = 50 DESCRIPTION = "The file name on the volume for this image." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPACECRAFT_NAME DATA_TYPE = CHARACTER START_BYTE = 78 BYTES = 7 DESCRIPTION = "Spacecraft name associated with the image. Valid name is 'CASSINI'." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MISSION_PHASE_TYPE DATA_TYPE = CHARACTER START_BYTE = 88 BYTES = 11 DESCRIPTION = "Mission or test phase of which this image is a part. Valid names are 'NAC_EM_T/V','WAC_EM_T/V', 'NAC_FL_T/V','WAC_FL_T/V', and 'SYSTEM_TEST'." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_ID DATA_TYPE = CHARACTER START_BYTE = 102 BYTES = 5 DESCRIPTION = "Name of the CASSINI Instrument which acquired the image data. Valid names are ISSNA and ISSWA (Imaging Science Subsystem Narrow Angle and Wide Angle cameras)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = IMAGE_TIME DATA_TYPE = TIME START_BYTE = 109 BYTES = 21 DESCRIPTION = "For Thermal/Vacuum Tests: image file creation time from EGSE clock source. For ground System Test: time of shutter close(?) from spacecraft clock(?). Early System Test data have erroneous values. ASCII Consultative Committee on Space and Data Standards(CCSDS) format: yyyy-dddThh:mm:ss.fffZ (T is a delimitter between date and time)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = OBSERVATION_ID DATA_TYPE = CHARACTER START_BYTE = 132 BYTES = 30 DESCRIPTION = "The name of test of which this image is a part." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TARGET_NAME DATA_TYPE = CHARACTER START_BYTE = 165 BYTES = 20 DESCRIPTION = "The name of the target being imaged." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MEASUREMENT_SOURCE_DESC DATA_TYPE = CHARACTER START_BYTE = 188 BYTES = 18 DESCRIPTION = "The name of the illumination source." END_OBJECT = COLUMN OBJECT = COLUMN NAME = RADIANCE DATA_TYPE = REAL UNIT = PICOAMPERES START_BYTE = 209 BYTES = 13 MISSING = -999.00 DESCRIPTION = "Reading of the radiometer measuring the source during exposure (picoamps)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SOFTWARE_VERSION_ID DATA_TYPE = CHARACTER START_BYTE = 225 BYTES = 20 DESCRIPTION = "Software version used for this image." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_MODE_ID DATA_TYPE = CHARACTER START_BYTE = 248 BYTES = 3 DESCRIPTION = "The summation mode of the camera. Valid names are 1X1, 2X2, and 4X4." END_OBJECT = COLUMN OBJECT = COLUMN NAME = GAIN_MODE_ID DATA_TYPE = UNSIGNED INTEGER START_BYTE = 253 BYTES = 1 DESCRIPTION = "Gain mode of the camera. Valid values are 0, 1, 2, and 3." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ENCODING_TYPE DATA_TYPE = CHARACTER START_BYTE = 256 BYTES = 7 DESCRIPTION = "Compression type used for the image. Valid types are: NOTCOMP = not compressed RICE = Universal Noiseless Compression (see Rice and Yeh, Algorithms for High Speed Universal Noiseless Coding a Very Module, JPL Publication 91-1, 15 Feb 1991) (aka, LOSSLESS) DCT = Discrete Cosine Transform (aka LOSSY)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = CONVERSION_TYPE DATA_TYPE = CHARACTER START_BYTE = 266 BYTES = 5 DESCRIPTION = "Conversion type used to convert image from 12 to 8 bits. Valid types are: 12BIT = no conversion, TABLE = conversion by look-up table 8LSB = keep only the 8 least significant bits" END_OBJECT = COLUMN OBJECT = COLUMN NAME = EXPOSURE_DURATION DATA_TYPE = REAL UNIT = MILLISECONDS START_BYTE = 273 BYTES = 11 DESCRIPTION = "Exposure duration for the image in milliseconds." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FILTER_NAME DATA_TYPE = CHARACTER START_BYTE = 286 BYTES = 15 ITEMS = 2 ITEM_BYTES = 6 ITEM_OFFSET = 9 DESCRIPTION = "Name of optical filters on filter wheels used for this image. The format is (filter1 filter2). Valid names for filter wheel one of the Narrow Angle camera are 'CL1','UV1','UV2','BL1','RED', 'P0','P60','P120','IR2','IR4','IRP0','HAL'. For Wide Angle camera are 'CL1','CB2','MT2', 'IR2','IR3','IR4','IR5','MT3','CB3'. Valid names for filter wheel two of the Narrow Angle camera are 'CL2','UV3','BL2','MT1','CB1', 'MT3','MT2','CB2','GRN','IR1','IR3','CB3'. For Wide Angle camera are 'CL2','IRP90','IRP0', 'VIO','BL1','GRN','HAL','IR1','RED'." END_OBJECT = COLUMN OBJECT = COLUMN NAME = DETECTOR_TEMPERATURE DATA_TYPE = REAL UNIT = DEGREES C START_BYTE = 303 BYTES = 17 DESCRIPTION = "Detector temperature in degrees Celcius." END_OBJECT = COLUMN OBJECT = COLUMN NAME = OPTICS_TEMPERATURE DATA_TYPE = REAL UNIT = DEGREES C START_BYTE = 321 BYTES = 17 DESCRIPTION = "Optics temperature in degrees Celcius." END_OBJECT = COLUMN OBJECT = COLUMN NAME = LIGHT_FLOOD_STATE_FLAG DATA_TYPE = CHARACTER START_BYTE = 340 BYTES = 3 DESCRIPTION = "Light flood indicator: ON or OFF." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ANTIBLOOMING_STATE_FLAG DATA_TYPE = CHARACTER START_BYTE = 346 BYTES = 3 DESCRIPTION = "Antiblooming indicator: ON or OFF." END_OBJECT = COLUMN OBJECT = COLUMN NAME = CALIBRATION_LAMP_STATE_FLAG DATA_TYPE = CHARACTER START_BYTE = 352 BYTES = 3 DESCRIPTION = "Calibration lamp indicator: ON or OFF. (always OFF for Narrow-angle camera)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ENCODING_COMPRESSION_RATIO DATA_TYPE = REAL START_BYTE = 357 BYTES = 7 MISSING = -999.00 DESCRIPTION = "Ratio of expected image size to size of image received. -999.00 for uncompressed data." END_OBJECT = COLUMN OBJECT = COLUMN NAME = COMPRESSION_PARAMETER_VALUE DATA_TYPE = UNSIGNED INTEGER START_BYTE = 365 BYTES = 5 DESCRIPTION = "Decimal representation of the 16 bits of the four lossy compression parameters (see below)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = GROUP_BLOCKS DATA_TYPE = UNSIGNED INTEGER START_BYTE = 371 BYTES = 3 DESCRIPTION = "Lossy compression Group-of-blocks parameter (0-255)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ALGORITHM DATA_TYPE = UNSIGNED INTEGER START_BYTE = 375 BYTES = 1 DESCRIPTION = "Lossy compression MALGO parameter (0,1)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = BLOCK_TYPE DATA_TYPE = UNSIGNED INTEGER START_BYTE = 377 BYTES = 1 DESCRIPTION = "Lossy compression TB parameter (0,1)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = QUANTIZATION_FACTOR_INDEX DATA_TYPE = UNSIGNED INTEGER START_BYTE = 379 BYTES = 2 DESCRIPTION = "Lossy compression Compression Rate parameter (0-15)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = OFFSET DATA_TYPE = UNSIGNED INTEGER START_BYTE = 382 BYTES = 4 DESCRIPTION = "Mean value of the overclocked pixel values from all lines except the first and last." END_OBJECT = COLUMN OBJECT = COLUMN NAME = DARK_CURRENT DATA_TYPE = UNSIGNED INTEGER START_BYTE = 387 BYTES = 4 DESCRIPTION = "Mean value of the extended pixel values from all lines except the first and last." END_OBJECT = COLUMN END