PDS_VERSION_ID = PDS3 RECORD_TYPE = STREAM ^TABLE = "CUMINDEX.TAB" DATA_SET_ID = "MGS-M-MOC-NA/WA-2-SDP-L0-V1.0" SPACECRAFT_NAME = "MARS GLOBAL SURVEYOR" INSTRUMENT_NAME = "MARS ORBITER CAMERA" TARGET_NAME = MARS MISSION_PHASE_NAME = "MAPPING" OBJECT = TABLE INTERCHANGE_FORMAT = ASCII ROWS = 6298 COLUMNS = 53 ROW_BYTES = 520 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 = 19 FORMAT = "A19" DESCRIPTION = "file name" END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRODUCT_ID COLUMN_NUMBER = 3 DATA_TYPE = CHARACTER START_BYTE = 36 BYTES = 12 FORMAT = "A12" DESCRIPTION = "product id" END_OBJECT = COLUMN OBJECT = COLUMN NAME = IMAGE_TIME COLUMN_NUMBER = 4 DATA_TYPE = CHARACTER START_BYTE = 51 BYTES = 22 FORMAT = "A22" DESCRIPTION = "SCET time at start of image" END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_NAME COLUMN_NUMBER = 5 DATA_TYPE = CHARACTER START_BYTE = 76 BYTES = 6 FORMAT = "A6" DESCRIPTION = "instrument name" END_OBJECT = COLUMN OBJECT = COLUMN NAME = FILTER_NAME COLUMN_NUMBER = 6 DATA_TYPE = CHARACTER START_BYTE = 85 BYTES = 4 FORMAT = "A4" DESCRIPTION = "filter name (RED or BLUE, N/A for NA)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = LINE_SAMPLES COLUMN_NUMBER = 7 DATA_TYPE = ASCII_INTEGER START_BYTE = 91 BYTES = 4 FORMAT = "I4" DESCRIPTION = "image width" END_OBJECT = COLUMN OBJECT = COLUMN NAME = LINES COLUMN_NUMBER = 8 DATA_TYPE = ASCII_INTEGER START_BYTE = 96 BYTES = 6 FORMAT = "I6" DESCRIPTION = "image height" END_OBJECT = COLUMN OBJECT = COLUMN NAME = CROSSTRACK_SUMMING COLUMN_NUMBER = 9 DATA_TYPE = ASCII_INTEGER START_BYTE = 103 BYTES = 2 FORMAT = "I2" DESCRIPTION = "crosstrack summing. For global images the crosstrack summing is variable across the detector. Please refer to the mocsis.txt appendix F for a full description." END_OBJECT = COLUMN OBJECT = COLUMN NAME = DOWNTRACK_SUMMING COLUMN_NUMBER = 10 DATA_TYPE = ASCII_INTEGER START_BYTE = 106 BYTES = 2 FORMAT = "I2" DESCRIPTION = "downtrack summing" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SCALED_PIXEL_WIDTH COLUMN_NUMBER = 11 DATA_TYPE = ASCII_REAL START_BYTE = 109 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 = 118 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 = 125 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 = 132 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 = 139 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 = 146 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 = 153 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 = 160 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 = 167 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 = 174 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 = 181 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 = 188 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 = 195 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 = 202 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 = 209 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 = 217 BYTES = 10 FORMAT = "A10" DESCRIPTION = "mission phase name" END_OBJECT = COLUMN OBJECT = COLUMN NAME = TARGET_NAME COLUMN_NUMBER = 27 DATA_TYPE = CHARACTER START_BYTE = 230 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 = 239 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 = 256 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 = 262 BYTES = 8 FORMAT = "F8.4" DESCRIPTION = "line integration time in milliseconds" END_OBJECT = COLUMN OBJECT = COLUMN NAME = GAIN_MODE_ID COLUMN_NUMBER = 31 DATA_TYPE = CHARACTER START_BYTE = 272 BYTES = 2 FORMAT = "A2" DESCRIPTION = "gain mode (see documentation)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = OFFSET_MODE_ID COLUMN_NUMBER = 32 DATA_TYPE = CHARACTER START_BYTE = 277 BYTES = 3 FORMAT = "A3" DESCRIPTION = "offset mode (see documentation)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = EDIT_MODE_ID COLUMN_NUMBER = 33 DATA_TYPE = ASCII_INTEGER START_BYTE = 282 BYTES = 4 FORMAT = "I4" DESCRIPTION = "first pixel stored from detector, zero-based" END_OBJECT = COLUMN OBJECT = COLUMN NAME = ENCODING_TYPE COLUMN_NUMBER = 34 DATA_TYPE = CHARACTER START_BYTE = 288 BYTES = 14 FORMAT = "A14" DESCRIPTION = "A description of the compression applied to this image, of the form string-parms, where is taken from the set {MOC-NONE,MOC-PRED,MOC-DCT,MOC-WHT} and are additional parameters describing the algorithm-specific compression parameters." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SCALED_IMAGE_WIDTH COLUMN_NUMBER = 35 DATA_TYPE = ASCII_REAL START_BYTE = 304 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 = 36 DATA_TYPE = ASCII_REAL START_BYTE = 312 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 = 37 DATA_TYPE = ASCII_REAL START_BYTE = 321 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 = 38 DATA_TYPE = ASCII_REAL START_BYTE = 329 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 = 39 DATA_TYPE = ASCII_REAL START_BYTE = 337 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 = 40 DATA_TYPE = CHARACTER START_BYTE = 346 BYTES = 1 FORMAT = "A1" DESCRIPTION = "Because of the MOC's line-scan nature, depending on the orientation and sense of rotation of the spacecraft and the optical inversion properties of the camera system involved, MOC 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 = 41 DATA_TYPE = ASCII_REAL START_BYTE = 349 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 = 42 DATA_TYPE = ASCII_REAL START_BYTE = 356 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 = 43 DATA_TYPE = ASCII_REAL START_BYTE = 363 BYTES = 6 FORMAT = "F6.2" DESCRIPTION = "west longitude of subsolar point in degrees" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SUB_SOLAR_LATITUDE COLUMN_NUMBER = 44 DATA_TYPE = ASCII_REAL START_BYTE = 370 BYTES = 6 FORMAT = "F6.2" DESCRIPTION = "planetographic latitude of subsolar point in degrees" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SUB_SPACECRAFT_LONGITUDE COLUMN_NUMBER = 45 DATA_TYPE = ASCII_REAL START_BYTE = 377 BYTES = 6 FORMAT = "F6.2" DESCRIPTION = "west longitude of subspacecraft point in degrees" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SUB_SPACECRAFT_LATITUDE COLUMN_NUMBER = 46 DATA_TYPE = ASCII_REAL START_BYTE = 384 BYTES = 6 FORMAT = "F6.2" DESCRIPTION = "planetographic latitude of subspacecraft point in degrees" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SOLAR_DISTANCE COLUMN_NUMBER = 47 DATA_TYPE = ASCII_REAL START_BYTE = 391 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 = 48 DATA_TYPE = ASCII_REAL START_BYTE = 403 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 = 49 DATA_TYPE = ASCII_REAL START_BYTE = 410 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 = 50 DATA_TYPE = ASCII_REAL START_BYTE = 416 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 = 51 DATA_TYPE = CHARACTER START_BYTE = 423 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, gain parameters were set inappropriately, etc.)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = DATA_QUALITY_DESC COLUMN_NUMBER = 52 DATA_TYPE = CHARACTER START_BYTE = 506 BYTES = 6 FORMAT = "A6" DESCRIPTION = "'OK' if all fragments of the image are received without detected checksum or sequence errors, and 'ERRORS' otherwise." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ORBIT_NUMBER COLUMN_NUMBER = 53 DATA_TYPE = ASCII_INTEGER START_BYTE = 514 BYTES = 5 FORMAT = "I5" DESCRIPTION = "orbit number as defined by the MGS Project" END_OBJECT = COLUMN END_OBJECT = TABLE END