PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 555 FILE_RECORDS = 21 ^TABLE = "INDEX.TAB" DATA_SET_ID = "MRO-M-CTX-2-EDR-L0-V1.0" SPACECRAFT_NAME = "MARS RECONNAISSANCE ORBITER" INSTRUMENT_NAME = "CONTEXT CAMERA" TARGET_NAME = MARS MISSION_PHASE_NAME = "ESP" PRODUCT_CREATION_TIME = 2007-05-23T19:00:00 OBJECT = TABLE INTERCHANGE_FORMAT = ASCII ROWS = 21 COLUMNS = 51 ROW_BYTES = 555 INDEX_TYPE = SINGLE OBJECT = COLUMN NAME = VOLUME_ID COLUMN_NUMBER = 1 DATA_TYPE = CHARACTER START_BYTE = 2 BYTES = 9 FORMAT = "A9" DESCRIPTION = "volume id" END_OBJECT = COLUMN OBJECT = COLUMN NAME = FILE_SPECIFICATION_NAME COLUMN_NUMBER = 2 DATA_TYPE = CHARACTER START_BYTE = 14 BYTES = 35 FORMAT = "A35" DESCRIPTION = "file name" END_OBJECT = COLUMN OBJECT = COLUMN NAME = ORIGINAL_PRODUCT_ID COLUMN_NUMBER = 3 DATA_TYPE = CHARACTER START_BYTE = 52 BYTES = 16 FORMAT = "A16" DESCRIPTION = "original product id" END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRODUCT_ID COLUMN_NUMBER = 4 DATA_TYPE = CHARACTER START_BYTE = 71 BYTES = 26 FORMAT = "A26" DESCRIPTION = "product id" END_OBJECT = COLUMN OBJECT = COLUMN NAME = IMAGE_TIME COLUMN_NUMBER = 5 DATA_TYPE = CHARACTER START_BYTE = 100 BYTES = 23 FORMAT = "A23" DESCRIPTION = "SCET time at start of image" END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_ID COLUMN_NUMBER = 6 DATA_TYPE = CHARACTER START_BYTE = 126 BYTES = 6 FORMAT = "A6" DESCRIPTION = "instrument id (abbreviated name or acronym)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_MODE_ID COLUMN_NUMBER = 7 DATA_TYPE = CHARACTER START_BYTE = 135 BYTES = 5 FORMAT = "A5" DESCRIPTION = "command mode (ITL or NIFL) in which this image was acquired" END_OBJECT = COLUMN OBJECT = COLUMN NAME = LINE_SAMPLES COLUMN_NUMBER = 8 DATA_TYPE = ASCII_INTEGER START_BYTE = 142 BYTES = 4 FORMAT = "I4" DESCRIPTION = "image width" END_OBJECT = COLUMN OBJECT = COLUMN NAME = LINES COLUMN_NUMBER = 9 DATA_TYPE = ASCII_INTEGER START_BYTE = 147 BYTES = 6 FORMAT = "I6" DESCRIPTION = "image height" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPATIAL_SUMMING COLUMN_NUMBER = 10 DATA_TYPE = ASCII_INTEGER START_BYTE = 154 BYTES = 2 FORMAT = "I2" DESCRIPTION = "spatial summing" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SCALED_PIXEL_WIDTH COLUMN_NUMBER = 11 DATA_TYPE = ASCII_REAL START_BYTE = 157 BYTES = 8 FORMAT = "F8.2" NOT_APPLICABLE_CONSTANT = 0.0 DESCRIPTION = "image resolution in meters/pixel at center of image" END_OBJECT = COLUMN OBJECT = COLUMN NAME = PIXEL_ASPECT_RATIO COLUMN_NUMBER = 12 DATA_TYPE = ASCII_REAL START_BYTE = 166 BYTES = 6 FORMAT = "F6.2" NOT_APPLICABLE_CONSTANT = 0.0 DESCRIPTION = "pixel aspect ratio (pixel height/pixel width) at center of image. The image's center pixel is projected on the ground and its linear extents are ratioed, so any effects of emission angle and line time are modelled. To recover an image with 'square' pixels, the image should be resampled to a height of aspect_ratio * input height." END_OBJECT = COLUMN OBJECT = COLUMN NAME = EMISSION_ANGLE COLUMN_NUMBER = 13 DATA_TYPE = ASCII_REAL START_BYTE = 173 BYTES = 6 FORMAT = "F6.2" NOT_APPLICABLE_CONSTANT = 999.9 DESCRIPTION = "emission angle at center of image" END_OBJECT = COLUMN OBJECT = COLUMN NAME = INCIDENCE_ANGLE COLUMN_NUMBER = 14 DATA_TYPE = ASCII_REAL START_BYTE = 180 BYTES = 6 FORMAT = "F6.2" NOT_APPLICABLE_CONSTANT = 999.9 DESCRIPTION = "incidence angle at center of image" END_OBJECT = COLUMN OBJECT = COLUMN NAME = PHASE_ANGLE COLUMN_NUMBER = 15 DATA_TYPE = ASCII_REAL START_BYTE = 187 BYTES = 6 FORMAT = "F6.2" NOT_APPLICABLE_CONSTANT = 999.9 DESCRIPTION = "phase angle at center of image" END_OBJECT = COLUMN OBJECT = COLUMN NAME = CENTER_LONGITUDE COLUMN_NUMBER = 16 DATA_TYPE = ASCII_REAL START_BYTE = 194 BYTES = 6 FORMAT = "F6.2" NOT_APPLICABLE_CONSTANT = 999.9 DESCRIPTION = "center longitude" END_OBJECT = COLUMN OBJECT = COLUMN NAME = CENTER_LATITUDE COLUMN_NUMBER = 17 DATA_TYPE = ASCII_REAL START_BYTE = 201 BYTES = 6 FORMAT = "F6.2" NOT_APPLICABLE_CONSTANT = 999.9 DESCRIPTION = "center areographic latitude" END_OBJECT = COLUMN OBJECT = COLUMN NAME = UPPER_LEFT_LONGITUDE COLUMN_NUMBER = 18 DATA_TYPE = ASCII_REAL START_BYTE = 208 BYTES = 6 FORMAT = "F6.2" NOT_APPLICABLE_CONSTANT = 999.9 DESCRIPTION = "upper left longitude" END_OBJECT = COLUMN OBJECT = COLUMN NAME = UPPER_LEFT_LATITUDE COLUMN_NUMBER = 19 DATA_TYPE = ASCII_REAL START_BYTE = 215 BYTES = 6 FORMAT = "F6.2" NOT_APPLICABLE_CONSTANT = 999.9 DESCRIPTION = "upper left areographic latitude" END_OBJECT = COLUMN OBJECT = COLUMN NAME = UPPER_RIGHT_LONGITUDE COLUMN_NUMBER = 20 DATA_TYPE = ASCII_REAL START_BYTE = 222 BYTES = 6 FORMAT = "F6.2" NOT_APPLICABLE_CONSTANT = 999.9 DESCRIPTION = "upper right longitude" END_OBJECT = COLUMN OBJECT = COLUMN NAME = UPPER_RIGHT_LATITUDE COLUMN_NUMBER = 21 DATA_TYPE = ASCII_REAL START_BYTE = 229 BYTES = 6 FORMAT = "F6.2" NOT_APPLICABLE_CONSTANT = 999.9 DESCRIPTION = "upper right areographic latitude" END_OBJECT = COLUMN OBJECT = COLUMN NAME = LOWER_LEFT_LONGITUDE COLUMN_NUMBER = 22 DATA_TYPE = ASCII_REAL START_BYTE = 236 BYTES = 6 FORMAT = "F6.2" NOT_APPLICABLE_CONSTANT = 999.9 DESCRIPTION = "lower left longitude" END_OBJECT = COLUMN OBJECT = COLUMN NAME = LOWER_LEFT_LATITUDE COLUMN_NUMBER = 23 DATA_TYPE = ASCII_REAL START_BYTE = 243 BYTES = 6 FORMAT = "F6.2" NOT_APPLICABLE_CONSTANT = 999.9 DESCRIPTION = "lower left areographic latitude" END_OBJECT = COLUMN OBJECT = COLUMN NAME = LOWER_RIGHT_LONGITUDE COLUMN_NUMBER = 24 DATA_TYPE = ASCII_REAL START_BYTE = 250 BYTES = 6 FORMAT = "F6.2" NOT_APPLICABLE_CONSTANT = 999.9 DESCRIPTION = "lower right longitude" END_OBJECT = COLUMN OBJECT = COLUMN NAME = LOWER_RIGHT_LATITUDE COLUMN_NUMBER = 25 DATA_TYPE = ASCII_REAL START_BYTE = 257 BYTES = 6 FORMAT = "F6.2" NOT_APPLICABLE_CONSTANT = 999.9 DESCRIPTION = "lower right areographic latitude" END_OBJECT = COLUMN OBJECT = COLUMN NAME = MISSION_PHASE_NAME COLUMN_NUMBER = 26 DATA_TYPE = CHARACTER START_BYTE = 265 BYTES = 10 FORMAT = "A10" DESCRIPTION = "mission phase name" END_OBJECT = COLUMN OBJECT = COLUMN NAME = TARGET_NAME COLUMN_NUMBER = 27 DATA_TYPE = CHARACTER START_BYTE = 278 BYTES = 6 FORMAT = "A6" DESCRIPTION = "target name (e.g., MARS, PHOBOS, STAR, SPACE)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPACECRAFT_CLOCK_START_COUNT COLUMN_NUMBER = 28 DATA_TYPE = CHARACTER START_BYTE = 287 BYTES = 15 FORMAT = "A15" DESCRIPTION = "spacecraft clock value at start of image" END_OBJECT = COLUMN OBJECT = COLUMN NAME = FOCAL_PLANE_TEMPERATURE COLUMN_NUMBER = 29 DATA_TYPE = ASCII_REAL START_BYTE = 304 BYTES = 5 FORMAT = "F5.1" DESCRIPTION = "focal plane temp in Kelvins" END_OBJECT = COLUMN OBJECT = COLUMN NAME = LINE_EXPOSURE_DURATION COLUMN_NUMBER = 30 DATA_TYPE = ASCII_REAL START_BYTE = 310 BYTES = 8 FORMAT = "F8.4" DESCRIPTION = "line integration time in milliseconds" END_OBJECT = COLUMN OBJECT = COLUMN NAME = OFFSET_MODE_ID COLUMN_NUMBER = 31 DATA_TYPE = CHARACTER START_BYTE = 320 BYTES = 11 FORMAT = "A11" DESCRIPTION = "offset mode (see documentation)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SAMPLE_FIRST_PIXEL COLUMN_NUMBER = 32 DATA_TYPE = ASCII_INTEGER START_BYTE = 333 BYTES = 4 FORMAT = "I4" DESCRIPTION = "first pixel stored from detector, zero-based" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SCALED_IMAGE_WIDTH COLUMN_NUMBER = 33 DATA_TYPE = ASCII_REAL START_BYTE = 338 BYTES = 7 FORMAT = "F7.2" NOT_APPLICABLE_CONSTANT = 0.0 DESCRIPTION = "image width from left to right image edge in km" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SCALED_IMAGE_HEIGHT COLUMN_NUMBER = 34 DATA_TYPE = ASCII_REAL START_BYTE = 346 BYTES = 8 FORMAT = "F8.2" NOT_APPLICABLE_CONSTANT = 0.0 DESCRIPTION = "image height from first line to last line in km" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPACECRAFT_ALTITUDE COLUMN_NUMBER = 35 DATA_TYPE = ASCII_REAL START_BYTE = 355 BYTES = 7 FORMAT = "F7.2" DESCRIPTION = "distance from s/c to closest point on surface in km" END_OBJECT = COLUMN OBJECT = COLUMN NAME = TARGET_CENTER_DISTANCE COLUMN_NUMBER = 36 DATA_TYPE = ASCII_REAL START_BYTE = 363 BYTES = 7 FORMAT = "F7.2" DESCRIPTION = "distance from s/c to target body center in km" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SLANT_DISTANCE COLUMN_NUMBER = 37 DATA_TYPE = ASCII_REAL START_BYTE = 371 BYTES = 7 FORMAT = "F7.2" NOT_APPLICABLE_CONSTANT = 0.0 DESCRIPTION = "range from s/c to intersection of view vector with target body in km" END_OBJECT = COLUMN OBJECT = COLUMN NAME = USAGE_NOTE COLUMN_NUMBER = 38 DATA_TYPE = CHARACTER START_BYTE = 380 BYTES = 1 FORMAT = "A1" DESCRIPTION = "Because of the CTX's line-scan nature, depending on the orientation and sense of rotation of the spacecraft, CTX images can either be normal or flipped left-for-right (independent of whether the image is north up or south up.) This flag will be 'F' if the image should be flipped left-to-right, and 'N' if it is already in normal form." END_OBJECT = COLUMN OBJECT = COLUMN NAME = NORTH_AZIMUTH COLUMN_NUMBER = 39 DATA_TYPE = ASCII_REAL START_BYTE = 383 BYTES = 6 FORMAT = "F6.2" NOT_APPLICABLE_CONSTANT = 0.0 DESCRIPTION = "The angle in degrees clockwise from the reference axis of the image (a line from the center to the right edge of the image) to the direction to the north pole of the target body. If the USAGE_NOTE described previously is 'F', the image should be flipped prior to applying this angle." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SUB_SOLAR_AZIMUTH COLUMN_NUMBER = 40 DATA_TYPE = ASCII_REAL START_BYTE = 390 BYTES = 6 FORMAT = "F6.2" NOT_APPLICABLE_CONSTANT = 0.0 DESCRIPTION = "The angle in degrees clockwise from the reference axis of the image (a line from the center to the right edge of the image) to the direction to the subsolar point on the target body. If the USAGE_NOTE described previously is 'F', the image should be flipped prior to applying this angle." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SUB_SOLAR_LONGITUDE COLUMN_NUMBER = 41 DATA_TYPE = ASCII_REAL START_BYTE = 397 BYTES = 6 FORMAT = "F6.2" DESCRIPTION = "west longitude of subsolar point in degrees" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SUB_SOLAR_LATITUDE COLUMN_NUMBER = 42 DATA_TYPE = ASCII_REAL START_BYTE = 404 BYTES = 6 FORMAT = "F6.2" DESCRIPTION = "planetographic latitude of subsolar point in degrees" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SUB_SPACECRAFT_LONGITUDE COLUMN_NUMBER = 43 DATA_TYPE = ASCII_REAL START_BYTE = 411 BYTES = 6 FORMAT = "F6.2" DESCRIPTION = "west longitude of subspacecraft point in degrees" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SUB_SPACECRAFT_LATITUDE COLUMN_NUMBER = 44 DATA_TYPE = ASCII_REAL START_BYTE = 418 BYTES = 6 FORMAT = "F6.2" DESCRIPTION = "planetographic latitude of subspacecraft point in degrees" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SOLAR_DISTANCE COLUMN_NUMBER = 45 DATA_TYPE = ASCII_REAL START_BYTE = 425 BYTES = 11 FORMAT = "F11.1" DESCRIPTION = "distance from the center of the image on the target body to the center of the sun in km" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SOLAR_LONGITUDE COLUMN_NUMBER = 46 DATA_TYPE = ASCII_REAL START_BYTE = 437 BYTES = 6 FORMAT = "F6.2" DESCRIPTION = "solar longitude ('L sub s') at time of image in degrees from martian vernal equinox, as computed by the method in 'Accurate analytic representations of solar time and seasons on Mars with applications to the Pathfinder/Surveyor missions', Michael Allison, Geophysical Reseach Letters 24, 16, pp 1967-1970 (August 15, 1997)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = LOCAL_TIME COLUMN_NUMBER = 47 DATA_TYPE = ASCII_REAL START_BYTE = 444 BYTES = 5 FORMAT = "F5.2" NOT_APPLICABLE_CONSTANT = 0.0 DESCRIPTION = "Local True Solar Time in decimal hours from midnight at the center of the image, as computed by the method in 'Accurate analytic representations of solar time and seasons on Mars with applications to the Pathfinder/Surveyor missions', Michael Allison, Geophysical Reseach Letters 24, 16, pp 1967-1970 (August 15, 1997). An 'hour' in this context is an angular measure of 15 degrees of solar motion." END_OBJECT = COLUMN OBJECT = COLUMN NAME = IMAGE_SKEW_ANGLE COLUMN_NUMBER = 48 DATA_TYPE = ASCII_REAL START_BYTE = 450 BYTES = 5 FORMAT = "F5.1" NOT_APPLICABLE_CONSTANT = 0.0 DESCRIPTION = "The image skew angle is the absolute value, in degrees, of the angle between the left edge (a line between the lower left and upper left corners) and the bottom edge (a line between the lower left and lower right corners) of the image, where the edges are projected on the target body. For images whose footprints are exactly rectangular, this angle will be 90 degrees. Departures from 90 degrees indicate a non-rectangular image footprint, caused by slews of the spacecraft during imaging outside the orbit plane or off-nadir pointing, or both." END_OBJECT = COLUMN OBJECT = COLUMN NAME = RATIONALE_DESC COLUMN_NUMBER = 49 DATA_TYPE = CHARACTER START_BYTE = 457 BYTES = 80 FORMAT = "A80" DESCRIPTION = "A text description of the scientific purpose for the acquisition of this image. For routine mapping operations, this will most likely be the goal of the image as targeted (which may not be met if the image missed its target significantly, the atmosphere was cloudy, etc.)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = DATA_QUALITY_DESC COLUMN_NUMBER = 50 DATA_TYPE = CHARACTER START_BYTE = 540 BYTES = 6 FORMAT = "A6" DESCRIPTION = "'OK' if all fragments of the image are received without detected checksum or sequence errors, and 'ERROR' otherwise." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ORBIT_NUMBER COLUMN_NUMBER = 51 DATA_TYPE = ASCII_INTEGER START_BYTE = 548 BYTES = 6 FORMAT = "I6" DESCRIPTION = "orbit number as defined by the MRO Project" END_OBJECT = COLUMN END_OBJECT = TABLE END