PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 1084 FILE_RECORDS = 694232 ^INDEX_TABLE = "CUMINDEX.TAB" VOLUME_ID = MSGRMDS_2001 DATA_SET_ID = "MESS-E/V/H-MDIS-4-CDR-CALDATA-V1.0" INSTRUMENT_HOST_NAME = "MESSENGER" INSTRUMENT_NAME = {"MERCURY DUAL IMAGING SYSTEM NARROW ANGLE CAMERA", "MERCURY DUAL IMAGING SYSTEM WIDE ANGLE CAMERA"} OBJECT = INDEX_TABLE INTERCHANGE_FORMAT = ASCII ROW_BYTES = 1084 ROWS = 694232 COLUMNS = 71 INDEX_TYPE = SINGLE OBJECT = COLUMN COLUMN_NUMBER = 1 NAME = "VOLUME_ID" DATA_TYPE = CHARACTER START_BYTE = 2 BYTES = 12 DESCRIPTION = "The identifier of the volume on which the product is stored." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 NAME = "PATH_NAME" DATA_TYPE = CHARACTER START_BYTE = 17 BYTES = 13 DESCRIPTION = "Path to directory containing file." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 3 NAME = "FILE_NAME" DATA_TYPE = CHARACTER START_BYTE = 33 BYTES = 22 DESCRIPTION = "Name of file in archive." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 4 NAME = "PRODUCT_ID" DATA_TYPE = CHARACTER START_BYTE = 58 BYTES = 18 DESCRIPTION = "A permanent, unique identifier assigned to a data product by its producer." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 5 NAME = "OBSERVATION_ID" DATA_TYPE = ASCII_INTEGER START_BYTE = 78 BYTES = 7 DESCRIPTION = "Image counter from header." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 6 NAME = "DATA_QUALITY_ID" DATA_TYPE = CHARACTER START_BYTE = 87 BYTES = 16 DESCRIPTION = "A data quality index is used to encode figures-of-merit into one parameter that is included in the label of each EDR." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 7 NAME = "MISSION_PHASE_NAME" DATA_TYPE = CHARACTER START_BYTE = 106 BYTES = 20 DESCRIPTION = "Provides the commonly-used identifiers of the MESSENGER Mission Phase. " END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 8 NAME = "TARGET_NAME" DATA_TYPE = CHARACTER START_BYTE = 129 BYTES = 20 DESCRIPTION = "Identifies the target." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 9 NAME = "SEQUENCE_NAME" DATA_TYPE = CHARACTER START_BYTE = 152 BYTES = 27 DESCRIPTION = "Identifies the imaging sequence name." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 10 NAME = "PRODUCT_CREATION_TIME" DATA_TYPE = TIME START_BYTE = 181 BYTES = 19 DESCRIPTION = "The time in UTC when the EDR product was created." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 11 NAME = "START_TIME" DATA_TYPE = TIME START_BYTE = 201 BYTES = 26 DESCRIPTION = "The UTC date and time for the start of the exposure." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 12 NAME = "STOP_TIME" DATA_TYPE = TIME START_BYTE = 228 BYTES = 26 DESCRIPTION = "The UTC date and time for the end of the exposure." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 13 NAME = "SPACECRAFT_CLOCK_START_COUNT" DATA_TYPE = CHARACTER START_BYTE = 256 BYTES = 19 DESCRIPTION = "Clock count of the spacecraft computer at the start of the exposure. For MESSENGER, this is also known as the Mission Elapsed Time (MET)." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 14 NAME = "SPACECRAFT_CLOCK_STOP_COUNT" DATA_TYPE = CHARACTER START_BYTE = 278 BYTES = 19 DESCRIPTION = "Clock count of the spacecraft computer at the end of the exposure. For MESSENGER, this is also known as the Mission Elapsed Time (MET)." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 15 NAME = "INSTRUMENT_ID" DATA_TYPE = CHARACTER START_BYTE = 300 BYTES = 8 DESCRIPTION = "Abbreviated name or acronym which identifies the instrument." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 16 NAME = "FILTER_NUMBER" DATA_TYPE = ASCII_INTEGER START_BYTE = 310 BYTES = 2 NOT_APPLICABLE_CONSTANT = 99 UNKNOWN_CONSTANT = 98 DESCRIPTION = "Provides the number of the WAC filter wheel through which an image or measurement was acquired." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 17 NAME = "CENTER_FILTER_WAVELENGTH" DATA_TYPE = ASCII_REAL START_BYTE = 313 BYTES = 6 NOT_APPLICABLE_CONSTANT = -999.9 UNKNOWN_CONSTANT = -888.8 DESCRIPTION = "The mid point wavelength value between the minimum and maximum instrument filter wavelength values." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 18 NAME = "EXPOSURE_DURATION" DATA_TYPE = ASCII_REAL START_BYTE = 320 BYTES = 4 DESCRIPTION = "The exposure duration (integration time) of the image observation expressed in milliseconds." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 19 NAME = "EXPOSURE_TYPE" DATA_TYPE = CHARACTER START_BYTE = 326 BYTES = 6 DESCRIPTION = "The MDIS exposure setting. There are two settings - automatic exposure setting and manually commanded exposure setting." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 20 NAME = "DETECTOR_TEMPERATURE" DATA_TYPE = ASCII_REAL START_BYTE = 334 BYTES = 6 DESCRIPTION = "Temperature of the CCD in degrees Celsius at the time the observation was made. The conversion formula depends on the camera performing the observation." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 21 NAME = "FOCAL_PLANE_TEMPERATURE" DATA_TYPE = ASCII_REAL START_BYTE = 341 BYTES = 6 DESCRIPTION = "Indicates the temperature of the focal plane array in degrees Celsius at observation time. The conversion formula depends on the camera performing the observation." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 22 NAME = "FILTER_TEMPERATURE" DATA_TYPE = ASCII_REAL START_BYTE = 348 BYTES = 8 NOT_APPLICABLE_CONSTANT = -999.999 DESCRIPTION = "The temperature of the filter wheel." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 23 NAME = "OPTICS_TEMPERATURE" DATA_TYPE = ASCII_REAL START_BYTE = 357 BYTES = 8 NOT_APPLICABLE_CONSTANT = -999.999 DESCRIPTION = "The temperature of the NAC telescope." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 24 NAME = "MESS:PIV_POS" DATA_TYPE = ASCII_INTEGER START_BYTE = 366 BYTES = 6 DESCRIPTION = "Pivot position in 180deg/2^15 units." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 25 NAME = "MESS:PIV_POS_MOTOR" DATA_TYPE = ASCII_INTEGER START_BYTE = 373 BYTES = 6 NOT_APPLICABLE_CONSTANT = -99999 DESCRIPTION = "Pivot position in motor steps." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 26 NAME = "MESS:PIV_READ" DATA_TYPE = ASCII_INTEGER START_BYTE = 380 BYTES = 5 DESCRIPTION = "Pivot reading from resolver. Note: these are the pivot position values being used to generate the MDIS pivot platform SPICE C-kernel." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 27 NAME = "MESS:FPU_BIN" DATA_TYPE = ASCII_INTEGER START_BYTE = 386 BYTES = 1 DESCRIPTION = "Identifies the image binning in FPU - 0=1x1, 1=2x2." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 28 NAME = "MESS:COMP12_8" DATA_TYPE = ASCII_INTEGER START_BYTE = 388 BYTES = 1 DESCRIPTION = "Identifies if 12 to 8 bit image compression is enabled or disabled. 0=disabled, 1=enabled." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 29 NAME = "MESS:COMP_ALG" DATA_TYPE = ASCII_INTEGER START_BYTE = 390 BYTES = 1 DESCRIPTION = "Identifies the 12 to 8 bit compression algorithm used." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 30 NAME = "MESS:COMP_FST" DATA_TYPE = ASCII_INTEGER START_BYTE = 392 BYTES = 1 DESCRIPTION = "Identifies if Fast image compression is disabled (=0) or enabled (=1)." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 31 NAME = "MESS:WVLRATIO" DATA_TYPE = ASCII_INTEGER START_BYTE = 394 BYTES = 2 DESCRIPTION = "Identifies the wavelet compression ratio." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 32 NAME = "MESS:PIXELBIN" DATA_TYPE = ASCII_INTEGER START_BYTE = 397 BYTES = 1 DESCRIPTION = "Identifies the MP software pixel binning." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 33 NAME = "MESS:SUBFRAME" DATA_TYPE = ASCII_INTEGER START_BYTE = 399 BYTES = 1 DESCRIPTION = "Identifies the number of subframes." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 34 NAME = "RETICLE_POINT_RA_1" DATA_TYPE = ASCII_REAL START_BYTE = 401 BYTES = 18 UNKNOWN_CONSTANT = -98.888 DESCRIPTION = "The right ascension of the principle points of the camera." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 35 NAME = "RETICLE_POINT_RA_2" DATA_TYPE = ASCII_REAL START_BYTE = 420 BYTES = 18 UNKNOWN_CONSTANT = -98.888 DESCRIPTION = "The right ascension of the principle points of the camera." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 36 NAME = "RETICLE_POINT_RA_3" DATA_TYPE = ASCII_REAL START_BYTE = 439 BYTES = 18 UNKNOWN_CONSTANT = -98.888 DESCRIPTION = "The right ascension of the principle points of the camera." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 37 NAME = "RETICLE_POINT_RA_4" DATA_TYPE = ASCII_REAL START_BYTE = 458 BYTES = 18 UNKNOWN_CONSTANT = -98.888 DESCRIPTION = "The right ascension of the principle points of the camera." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 38 NAME = "RETICLE_POINT_DECLINATION_1" DATA_TYPE = ASCII_REAL START_BYTE = 477 BYTES = 27 UNKNOWN_CONSTANT = -998.888 DESCRIPTION = "The declination of the principle points of the camera." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 39 NAME = "RETICLE_POINT_DECLINATION_2" DATA_TYPE = ASCII_REAL START_BYTE = 505 BYTES = 27 UNKNOWN_CONSTANT = -998.888 DESCRIPTION = "The declination of the principle points of the camera." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 40 NAME = "RETICLE_POINT_DECLINATION_3" DATA_TYPE = ASCII_REAL START_BYTE = 533 BYTES = 27 UNKNOWN_CONSTANT = -998.888 DESCRIPTION = "The declination of the principle points of the camera." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 41 NAME = "RETICLE_POINT_DECLINATION_4" DATA_TYPE = ASCII_REAL START_BYTE = 561 BYTES = 27 UNKNOWN_CONSTANT = -998.888 DESCRIPTION = "The declination of the principle points of the camera." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 42 NAME = "SPACECRAFT_SOLAR_DISTANCE" DATA_TYPE = ASCII_REAL START_BYTE = 589 BYTES = 15 NOT_APPLICABLE_CONSTANT = -99.999 UNKNOWN_CONSTANT = -98.888 DESCRIPTION = "Distance from spacecraft to Sun." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 43 NAME = "SLANT_DISTANCE" DATA_TYPE = ASCII_REAL START_BYTE = 605 BYTES = 13 NOT_APPLICABLE_CONSTANT = -99.999 UNKNOWN_CONSTANT = -98.888 DESCRIPTION = "Distance from spacecraft to the camera boresight intercept point on the surface in kilometers" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 44 NAME = "CENTER_LATITUDE" DATA_TYPE = ASCII_REAL START_BYTE = 619 BYTES = 9 NOT_APPLICABLE_CONSTANT = -99.999 UNKNOWN_CONSTANT = -98.888 DESCRIPTION = "Latitude at the center of the full image frame." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 45 NAME = "CENTER_LONGITUDE" DATA_TYPE = ASCII_REAL START_BYTE = 629 BYTES = 9 NOT_APPLICABLE_CONSTANT = -999.999 UNKNOWN_CONSTANT = -998.888 DESCRIPTION = "Longitude at the center of the full image frame." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 46 NAME = "HORIZONTAL_PIXEL_SCALE" DATA_TYPE = ASCII_REAL START_BYTE = 639 BYTES = 12 NOT_APPLICABLE_CONSTANT = -99.999 UNKNOWN_CONSTANT = -98.888 DESCRIPTION = "The scale of a pixel in the horizontal direction." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 47 NAME = "SMEAR_MAGNITUDE" DATA_TYPE = ASCII_REAL START_BYTE = 652 BYTES = 9 NOT_APPLICABLE_CONSTANT = -99.999 UNKNOWN_CONSTANT = -98.888 DESCRIPTION = "Norm of velocity vector of camera boresight intercept point projected on the target, multiplied by the exposure duration with the scale of the image factored to obtain the smear in pixels. Spacecraft rotation is taken into account. (Units are in pixels.)" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 48 NAME = "RETICLE_POINT_LATITUDE_1" DATA_TYPE = ASCII_REAL START_BYTE = 662 BYTES = 24 NOT_APPLICABLE_CONSTANT = -99.999 UNKNOWN_CONSTANT = -98.888 DESCRIPTION = "Latitudes of the surface intercept points of the principle points of the camera." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 49 NAME = "RETICLE_POINT_LATITUDE_2" DATA_TYPE = ASCII_REAL START_BYTE = 687 BYTES = 24 NOT_APPLICABLE_CONSTANT = -99.999 UNKNOWN_CONSTANT = -98.888 DESCRIPTION = "Latitudes of the surface intercept points of the principle points of the camera." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 50 NAME = "RETICLE_POINT_LATITUDE_3" DATA_TYPE = ASCII_REAL START_BYTE = 712 BYTES = 24 NOT_APPLICABLE_CONSTANT = -99.999 UNKNOWN_CONSTANT = -98.888 DESCRIPTION = "Latitudes of the surface intercept points of the principle points of the camera." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 51 NAME = "RETICLE_POINT_LATITUDE_4" DATA_TYPE = ASCII_REAL START_BYTE = 737 BYTES = 24 NOT_APPLICABLE_CONSTANT = -99.999 UNKNOWN_CONSTANT = -98.888 DESCRIPTION = "Latitudes of the surface intercept points of the principle points of the camera." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 52 NAME = "RETICLE_POINT_LONGITUDE_1" DATA_TYPE = ASCII_REAL START_BYTE = 762 BYTES = 25 NOT_APPLICABLE_CONSTANT = -999.999 UNKNOWN_CONSTANT = -998.888 DESCRIPTION = "Longitudes of the surface intercept points of the principle points of the camera." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 53 NAME = "RETICLE_POINT_LONGITUDE_2" DATA_TYPE = ASCII_REAL START_BYTE = 788 BYTES = 25 NOT_APPLICABLE_CONSTANT = -999.999 UNKNOWN_CONSTANT = -998.888 DESCRIPTION = "Longitudes of the surface intercept points of the principle points of the camera." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 54 NAME = "RETICLE_POINT_LONGITUDE_3" DATA_TYPE = ASCII_REAL START_BYTE = 814 BYTES = 25 NOT_APPLICABLE_CONSTANT = -999.999 UNKNOWN_CONSTANT = -998.888 DESCRIPTION = "Longitudes of the surface intercept points of the principle points of the camera." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 55 NAME = "RETICLE_POINT_LONGITUDE_4" DATA_TYPE = ASCII_REAL START_BYTE = 840 BYTES = 25 NOT_APPLICABLE_CONSTANT = -999.999 UNKNOWN_CONSTANT = -998.888 DESCRIPTION = "Longitudes of the surface intercept points of the principle points of the camera." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 56 NAME = "SOLAR_DISTANCE" DATA_TYPE = ASCII_REAL START_BYTE = 866 BYTES = 16 NOT_APPLICABLE_CONSTANT = -99.999 UNKNOWN_CONSTANT = -98.888 DESCRIPTION = "Distance from target body center to Sun." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 57 NAME = "SUB_SOLAR_AZIMUTH" DATA_TYPE = ASCII_REAL START_BYTE = 883 BYTES = 9 NOT_APPLICABLE_CONSTANT = -999.999 UNKNOWN_CONSTANT = -998.888 DESCRIPTION = "Azimuth of the apparent sub-solar point, as seen by the spacecraft. This point is the surface intercept of the target-center-to-Sun vector, evaluated at the camera epoch minus one-way light time from target to spacecraft at the epoch." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 58 NAME = "SUB_SPACECRAFT_LATITUDE" DATA_TYPE = ASCII_REAL START_BYTE = 893 BYTES = 9 NOT_APPLICABLE_CONSTANT = -99.999 UNKNOWN_CONSTANT = -98.888 DESCRIPTION = "Planetocentric latitude of spacecraft-to-body-center surface intercept vector." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 59 NAME = "SUB_SPACECRAFT_LONGITUDE" DATA_TYPE = ASCII_REAL START_BYTE = 903 BYTES = 9 NOT_APPLICABLE_CONSTANT = -999.999 UNKNOWN_CONSTANT = -998.888 DESCRIPTION = "Planetocentric longitude of spacecraft-to-body-center surface intercept vector." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 60 NAME = "SPACECRAFT_ALTITUDE" DATA_TYPE = ASCII_REAL START_BYTE = 913 BYTES = 16 NOT_APPLICABLE_CONSTANT = -99.999 UNKNOWN_CONSTANT = -98.888 DESCRIPTION = "Altitude of the spacecraft above a reference ellipsoid." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 61 NAME = "SUB_SOLAR_LATITUDE" DATA_TYPE = ASCII_REAL START_BYTE = 930 BYTES = 9 NOT_APPLICABLE_CONSTANT = -99.999 UNKNOWN_CONSTANT = -98.888 DESCRIPTION = "Planetocentric latitude of the apparent sub-solar point." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 62 NAME = "SUB_SOLAR_LONGITUDE" DATA_TYPE = ASCII_REAL START_BYTE = 940 BYTES = 9 NOT_APPLICABLE_CONSTANT = -999.999 UNKNOWN_CONSTANT = -998.888 DESCRIPTION = "Planetocentric latitude of the apparent sub-solar point." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 63 NAME = "INCIDENCE_ANGLE" DATA_TYPE = ASCII_REAL START_BYTE = 950 BYTES = 9 NOT_APPLICABLE_CONSTANT = -99.999 UNKNOWN_CONSTANT = -98.888 DESCRIPTION = "Provides a measure of the lighting condition at the intercept point. Incidence angle is the angle between the local vertical at the intercept point (surface) and a vector from the intercept point to the sun." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 64 NAME = "PHASE_ANGLE" DATA_TYPE = ASCII_REAL START_BYTE = 960 BYTES = 9 NOT_APPLICABLE_CONSTANT = -99.999 UNKNOWN_CONSTANT = -98.888 DESCRIPTION = "Provides a measure of the relationship between the instrument viewing position and incident illumination. Phase angle is measured at the target; it is the angle between a vector to the illumination source and a vector to the instrument." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 65 NAME = "EMISSION_ANGLE" DATA_TYPE = ASCII_REAL START_BYTE = 970 BYTES = 8 NOT_APPLICABLE_CONSTANT = -99.999 UNKNOWN_CONSTANT = -98.888 DESCRIPTION = "Provides the value of the angle between the surface normal vector at the intercept point and a vector from the intercept point to the spacecraft." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 66 NAME = "DARK_STRIP_MEAN" DATA_TYPE = ASCII_REAL START_BYTE = 979 BYTES = 19 NOT_APPLICABLE_CONSTANT = -999.999 DESCRIPTION = "The mean value in the CCD dark strip. This is a measure of the dark current even if the rest of the CCD is illuminated." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 67 NAME = "MINIMUM" DATA_TYPE = ASCII_REAL START_BYTE = 999 BYTES = 19 DESCRIPTION = "The lowest value within the exposed area of the CCD." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 68 NAME = "MAXIMUM" DATA_TYPE = ASCII_REAL START_BYTE = 1019 BYTES = 18 DESCRIPTION = "The highest value within the exposed area of the CCD." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 69 NAME = "MEAN" DATA_TYPE = ASCII_REAL START_BYTE = 1038 BYTES = 19 DESCRIPTION = "The arithmetic mean value within the exposed area of the CCD." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 70 NAME = "STANDARD_DEVIATION" DATA_TYPE = ASCII_REAL START_BYTE = 1058 BYTES = 18 DESCRIPTION = "The standard deviation of the values within the exposed area of the CCD." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 71 NAME = "SATURATED_PIXEL_COUNT" DATA_TYPE = ASCII_REAL START_BYTE = 1077 BYTES = 6 DESCRIPTION = "The number of pixels whose values indicate that the corresponding detector elements exceeded their linear response range. In the WAC (MESS:IMAGER=0) the 12-bit DN value where saturation occurs is approximately 3600; in the NAC (MESS:IMAGER=1) it is approximately 3400." END_OBJECT = COLUMN END_OBJECT = INDEX_TABLE END