PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 160 FILE_RECORDS = 701 DESCRIPTION = "This table contains density, pressure, and temperature profiles derived from the ASI/MET data collected during the EDL phase of the Mars Pathfinder mission." ^TABLE = "EDL_DDR.TAB" DATA_SET_ID = "MPFL-M-ASIMET-4-DDR-EDL-V1.0" MISSION_NAME = "MARS PATHFINDER" INSTRUMENT_HOST_NAME = "MARS PATHFINDER LANDER" INSTRUMENT_NAME = "ATMOSPHERIC STRUCTURE INSTRUMENT / METEOROLOGY PACKAGE" PRODUCT_NAME = "ASI/MET DERIVED EDL DENSITY/PRESSURE/ TEMPERATURE PROFILES" PRODUCT_ID = "ASIMET_DDR-EDL-D/P/T-PROFILES" TARGET_NAME = "MARS" SPACECRAFT_CLOCK_START_COUNT = "1246726312.75" SPACECRAFT_CLOCK_STOP_COUNT = "1246726487.59" START_TIME = 1997-07-04T16:51:46.440Z STOP_TIME = 1997-07-04T16:54:41.378Z PRODUCT_CREATION_TIME = 1999-04-12T22:00:14.000Z OBJECT = TABLE INTERCHANGE_FORMAT = ASCII ROW_BYTES = 160 ROWS = 701 COLUMNS = 15 OBJECT = COLUMN NAME = SPACECRAFT_CLOCK_START_COUNT DATA_TYPE = ASCII_REAL START_BYTE = 1 BYTES = 13 FORMAT = "F13.2" UNIT = SECOND DESCRIPTION = "Spacecraft clock count in decimal seconds. Note that this is a non-standard format for the spacecraft clock which may not be used as input to NAIF-provided time conversion software tools. It has been converted to a decimal format from the original format in which the fractional portion of the number represented the number of 256ths of a second. Please see the SCLKTIME.ASC file on the MPAM_0001 CD for more information." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ELAPSED_TIME DATA_TYPE = ASCII_REAL START_BYTE = 15 BYTES = 8 FORMAT = "F8.3" UNIT = SECOND DESCRIPTION = "Elapsed time from R=3,597.2 km, in seconds. At time = 34.156 (first point in file), the spacecraft clock count was 1246726312.75, and the UTC time was 1997-07-04T16:51:46.440Z. (Please read the 'Limitations' section of the EDLDDRDS.CAT file for more details on this value.)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = ALTITUDE DATA_TYPE = ASCII_REAL START_BYTE = 24 BYTES = 8 FORMAT = "F8.3" UNIT = KILOMETER DESCRIPTION = "The altitude above the landing site, in kilometers. Note that at the landing site, the radius of Mars is 3,389.72 km (cf., [FOLKNERETAL1997B])." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PLANETOCENTRIC_LATITUDE DATA_TYPE = ASCII_REAL START_BYTE = 33 BYTES = 7 FORMAT = "F7.3" UNIT = DEGREE DESCRIPTION = "Planetocentric latitude." END_OBJECT = COLUMN OBJECT = COLUMN NAME = EAST_LONGITUDE DATA_TYPE = ASCII_REAL START_BYTE = 41 BYTES = 8 FORMAT = "F8.3" UNIT = DEGREE DESCRIPTION = "East longitude." END_OBJECT = COLUMN OBJECT = COLUMN NAME = DENSITY DATA_TYPE = ASCII_REAL START_BYTE = 50 BYTES = 11 FORMAT = "E11.4E3" UNIT = "KILOGRAM PER CUBIC METER" DESCRIPTION = "Atmospheric density, measured in kg/m**3." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRESSURE DATA_TYPE = ASCII_REAL START_BYTE = 62 BYTES = 11 FORMAT = "E11.4E3" UNIT = MILLIBAR DESCRIPTION = "Atmospheric pressure, measured in millibars." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TEMPERATURE DATA_TYPE = ASCII_REAL START_BYTE = 74 BYTES = 8 FORMAT = "F8.3" UNIT = KELVIN DESCRIPTION = "Temperature, measured in degrees Kelvin." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MEAN_MOLECULAR_WEIGHT DATA_TYPE = ASCII_REAL START_BYTE = 83 BYTES = 7 FORMAT = "F7.3" UNIT = "ATOMIC MASS UNIT" DESCRIPTION = "The mean molecular weight used to evaluate temperatures, measured in amu. This value is derived from the molecular weight as a function of pressure measured by the Viking 1 Upper Atmosphere Mass Spectrometer (cf. [SEIFF&KIRK1977])." END_OBJECT = COLUMN OBJECT = COLUMN NAME = POSITIVE_DENSITY_UNCERTAINTY DATA_TYPE = ASCII_REAL START_BYTE = 91 BYTES = 11 FORMAT = "E11.4E3" UNIT = "KILOGRAM PER CUBIC METER" DESCRIPTION = "The 3 sigma width of the density uncertainty envelope in the positive direction, measured in kg/m**3. Col. 6 + 10 gives the upper value of the density uncertainty envelope." END_OBJECT = COLUMN OBJECT = COLUMN NAME = NEGATIVE_DENSITY_UNCERTAINTY DATA_TYPE = ASCII_REAL START_BYTE = 103 BYTES = 12 FORMAT = "E12.4E3" UNIT = "KILOGRAM PER CUBIC METER" DESCRIPTION = "The 3 sigma width of the density uncertainty envelope in the negative direction, measured in kg/m**3. Col. 6 + 11 gives the lower value of the density uncertainty envelope." END_OBJECT = COLUMN OBJECT = COLUMN NAME = POSITIVE_PRESSURE_UNCERTAINTY DATA_TYPE = ASCII_REAL START_BYTE = 116 BYTES = 11 FORMAT = "E11.4E3" UNIT = MILLIBAR DESCRIPTION = "The 3 sigma width of the pressure uncertainty envelope in the positive direction, in millibars. Col. 7 + 12 gives the upper value of the pressure uncertainty envelope." END_OBJECT = COLUMN OBJECT = COLUMN NAME = NEGATIVE_PRESSURE_UNCERTAINTY DATA_TYPE = ASCII_REAL START_BYTE = 128 BYTES = 12 FORMAT = "E12.4E3" UNIT = MILLIBAR DESCRIPTION = "The 3 sigma width of the pressure uncertainty envelope in the negative direction, in millibars. Col. 7 + 13 gives the lower value of the pressure uncertainty envelope." END_OBJECT = COLUMN OBJECT = COLUMN NAME = POSITIVE_TEMP_UNCERTAINTY DATA_TYPE = ASCII_REAL START_BYTE = 141 BYTES = 8 FORMAT = "F8.4" UNIT = KELVIN DESCRIPTION = "The 3 sigma width of the temperature uncertainty envelope in the positive direction, in degrees Kelvin. Col. 8 + 14 gives the upper value of the temperature uncertainty envelope." END_OBJECT = COLUMN OBJECT = COLUMN NAME = NEGATIVE_TEMP_UNCERTAINTY DATA_TYPE = ASCII_REAL START_BYTE = 150 BYTES = 9 FORMAT = "F9.4" UNIT = KELVIN DESCRIPTION = "The 3 sigma width of the temperature uncertainty envelope in the negative direction, in degrees Kelvin. Col. 8 + 15 gives the lower value of the temperature uncertainty envelope." END_OBJECT = COLUMN END_OBJECT = TABLE END