PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 409 FILE_RECORDS = 6000 DESCRIPTION = "INDEX.TAB lists all the IMP EDR image files on this volume, along with a selected set of parameters describing them." ^INDEX_TABLE = "INDEX.TAB" DATA_SET_ID = "MPFL-M-IMP-2-EDR-V1.0" MISSION_NAME = "MARS PATHFINDER" INSTRUMENT_HOST_NAME = "MARS PATHFINDER LANDER" INSTRUMENT_NAME = "IMAGER FOR MARS PATHFINDER" OBJECT = INDEX_TABLE INTERCHANGE_FORMAT = ASCII ROW_BYTES = 409 ROWS = 6000 COLUMNS = 24 INDEX_TYPE = SINGLE INDEXED_FILE_NAME = {"*.DRK","*.FLT","*.HST","*.IMG", "*.NUL","*.STR","*.SUM"} OBJECT = COLUMN NAME = PRODUCT_ID DATA_TYPE = CHARACTER START_BYTE = 2 BYTES = 42 DESCRIPTION = "A permanent, unique identifier assigned to each data product. For the IMP EDRs, this is constructed from the words 'IMP_EDR' followed by the spacecraft clock start count, followed by the image observation type, followed by the image id." END_OBJECT = COLUMN OBJECT = COLUMN NAME = VOLUME_ID DATA_TYPE = CHARACTER START_BYTE = 47 BYTES = 9 DESCRIPTION = "Identifies the CD volume containing the named file. For the IMP EDRs, this consists of the identifier 'MPIM_' followed by the four digit volume number." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PATH_NAME DATA_TYPE = CHARACTER START_BYTE = 59 BYTES = 26 DESCRIPTION = "Path to directory containing file. This path is shown in UNIX format. It begins at the root level of the CD. It has a trailing slah, but no leading slash." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FILE_NAME DATA_TYPE = CHARACTER START_BYTE = 88 BYTES = 12 DESCRIPTION = "This is the name of the PDS formatted file as it is stored on the CD-ROM archive media. For the IMP EDRs, it consists of the instrument identifier 'I', followed by the six least significant digits of the spacecraft clock start count, followed by a frame identifier (L=left, R=right, S=dark strip, N=null strip), followed by a 3 character extension. The extension indicates the image observation type as follows: IMG=regular, STR=dark strip, NUL=null strip, FLT=flat field, DRK=dark current, HST=histogram, and SUM=summation. (Note that the latter two values were never used.)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPACECRAFT_CLOCK_START_COUNT DATA_TYPE = ASCII_INTEGER START_BYTE = 102 BYTES = 10 DESCRIPTION = "The value of the lander clock (in seconds) at which the image was acquired." END_OBJECT = COLUMN OBJECT = COLUMN NAME = IMAGE_OBSERVATION_TYPE DATA_TYPE = CHARACTER START_BYTE = 114 BYTES = 12 DESCRIPTION = "Identifies the type or purpose of an observation. Valid values are REGULAR, DARK_CURRENT, FLAT_FIELD, HISTOGRAM, SUMMATION, DARK_STRIP, and NULL_STRIP. For the meanings of these values, please see appendix A of the IMP EDR CD-ROM SIS." END_OBJECT = COLUMN OBJECT = COLUMN NAME = COMMAND_SEQUENCE_NUMBER DATA_TYPE = ASCII_INTEGER START_BYTE = 128 BYTES = 4 DESCRIPTION = "Identifies a set of commands sent to the IMP camera, ordering it to perform a particular task. Valid range is 1 to 9999. For a complete list of the command sequence numbers used during the mission and their descriptions, see section 3.2.2.7 of the IMP EDR CD-ROM SIS." END_OBJECT = COLUMN OBJECT = COLUMN NAME = IMAGE_ID DATA_TYPE = ASCII_INTEGER START_BYTE = 133 BYTES = 10 DESCRIPTION = "Uniquely identifies the observation parameters of an image. The most significant four digits identify the command sequence that contains the imaging command. The middle two digits indicate the version of the command sequence, and the right four digits identify the image within a single imaging sequence." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FRAME_ID DATA_TYPE = CHARACTER START_BYTE = 145 BYTES = 9 DESCRIPTION = "Provides an identification for a particular instrument frame. Valid values are LEFT, RIGHT, BOTH, and HALFL. The IMP camera nominally operates in a mode where both the left and right images are exposed and transferred into the frame buffer simultaneously. Then either the RIGHT, LEFT, or BOTH frames are transmitted. For even shorter shutter times, the left image only may be transferred into the frame buffer (HALFL). The presence of BOTH in this field indicates that the image should be part of a stereo pair." END_OBJECT = COLUMN OBJECT = COLUMN NAME = INSTRUMENT_DEPLOYMENT_STATE DATA_TYPE = CHARACTER START_BYTE = 157 BYTES = 8 DESCRIPTION = "Indicates whether or not the IMP camera had been deployed to the end of its mast. Valid values are STOWED and DEPLOYED." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FILTER_NAME DATA_TYPE = CHARACTER START_BYTE = 168 BYTES = 14 DESCRIPTION = "The name of the instrument filter through which the image was acquired. The numbers refer to the effective wavelength in nm of the filter for the left (L) or right (R) image. FILTER FILTER NUMBER NAME APPLICATION ----------------------------------------------- 0 L440_R440 Stereo, Geology 1 L450_R670 Solar 2 L885_R947 Solar 3 L925_R935 Solar 4 L935_R990 Solar 5 L670_R670 Stereo, Geology 6 L800_R750 Geology 7 L860_R-DIOPTER Geology 8 L900_R600 Geology 9 L930_R530 Stereo, Ranging, Geology 10 L1000_R480 Geology 11 L965_R965 Stereo, Ranging, Geology " END_OBJECT = COLUMN OBJECT = COLUMN NAME = FILTER_NUMBER DATA_TYPE = ASCII_INTEGER START_BYTE = 184 BYTES = 2 DESCRIPTION = "The number of the instrument filter through which the image was acquired. (See FILTER_NAME for details.)" END_OBJECT = COLUMN OBJECT = COLUMN NAME = IMAGE_TIME DATA_TYPE = TIME START_BYTE = 187 BYTES = 24 DESCRIPTION = "Date and time at which the image was acquired, recorded in UTC system format. Shown as YYYY-MM-DDThh:mm:ss.fffZ" END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRODUCT_CREATION_TIME DATA_TYPE = TIME START_BYTE = 212 BYTES = 24 DESCRIPTION = "Defines the UTC time a product was created or last modified. Has the form YYYY-MM-DDThh:mm:ss.fffZ" END_OBJECT = COLUMN OBJECT = COLUMN NAME = EARTH_RECEIVED_START_TIME DATA_TYPE = TIME START_BYTE = 237 BYTES = 24 DESCRIPTION = "Identifies the earliest time that a telemetry packet containing data for the image was received. Has the form YYYY-MM-DDThh:mm:ss.fffZ" END_OBJECT = COLUMN OBJECT = COLUMN NAME = EARTH_RECEIVED_STOP_TIME DATA_TYPE = TIME START_BYTE = 262 BYTES = 24 DESCRIPTION = "Identifies the latest time that a telemetry packet containing data for the image was received. Has the form YYYY-MM-DDThh:mm:ss.fffZ" END_OBJECT = COLUMN OBJECT = COLUMN NAME = PLANET_DAY_NUMBER DATA_TYPE = ASCII_INTEGER START_BYTE = 287 BYTES = 4 DESCRIPTION = "The Martian day (ie., sidereal day, equal to a rotation of 360 degrees) on which the image was taken. Starts with 1 as the first day of surface operations, the day the spacecraft landed. Negative values refer to pre-surface images." END_OBJECT = COLUMN OBJECT = COLUMN NAME = MPF_LOCAL_TIME DATA_TYPE = CHARACTER START_BYTE = 293 BYTES = 8 DESCRIPTION = "Local time at the lander site on the surface of Mars, measured in local hours, minutes, and seconds, from midnight. Local hours are defined as one twenty-fourth of a local solar day. Local minutes are one sixtieth of a local hour, and local seconds are one sixtieth of a local minute. Format is hh:mm:ss. Based on the IAU standard for the Martian prime meridian. See [DAVIESETAL1994] for more details." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TARGET_NAME DATA_TYPE = CHARACTER START_BYTE = 304 BYTES = 8 DESCRIPTION = "Identifies the intended target of an observation. Can be either a planetary body or a physical object. The following is the list of targets imaged by the IMP: APXSSITE, ALTAIR, ARCTURUS, CALIMG, DEIMOS, LANDER, MAG, MARS, PHOBOS, ROVER, SKY, SUN, VEGA, WINDSOCKS " END_OBJECT = COLUMN OBJECT = COLUMN NAME = AZIMUTH_MOTOR_CLICKS DATA_TYPE = ASCII_INTEGER START_BYTE = 314 BYTES = 4 DESCRIPTION = "The number of motor step counts the camera rotated in the horizontal direction from the low hard stop. Since each step count is 0.553 degrees, the azimuthal position of the camera can be derived from this value. Valid range is 0 to 1023." END_OBJECT = COLUMN OBJECT = COLUMN NAME = ELEVATION_MOTOR_CLICKS DATA_TYPE = ASCII_INTEGER START_BYTE = 319 BYTES = 4 DESCRIPTION = "The number of motor step counts the camera rotated in the vertical direction from the low hard stop. Since each step count is 0.553 degrees, the elevational position of the camera can be derived from this value. Valid range is 0 to 1023." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SURFACE_BASED_INST_AZIMUTH DATA_TYPE = ASCII_REAL START_BYTE = 324 BYTES = 8 DESCRIPTION = "One of two angular measurements of the pointing direction of the instrument. The azimuth is measured positively in the clockwise direction (as viewed from above) with the meridian passing through the positive spin axis ('north pole') defining the zero reference. The angle is measured in the local gravity horizontal plane, ie., a plane perpendicular to the local gravity vector." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SURFACE_BASED_INST_ELEVATION DATA_TYPE = ASCII_REAL START_BYTE = 333 BYTES = 8 DESCRIPTION = "One of two angular measurements of the pointing direction of the instrument. For the Mars Pathfinder IMP EDRs, elevation is measured positively upwards from the plane which is perpendicular to the local gravity vector and which intersects the elevation axis around with the camera rotates. Valid values: -90 degrees (nadir) to +90 degrees (zenith)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = OBSERVATION_NAME DATA_TYPE = CHARACTER START_BYTE = 343 BYTES = 64 DESCRIPTION = "The intended purpose of an observation or sequence of commands. See table 3.2.2.7.B in the IMP EDR CD-ROM SIS for a complete listing of the values." END_OBJECT = COLUMN END_OBJECT = INDEX_TABLE END