PDS_VERSION_ID = PDS3 LABEL_REVISION_NOTE = " Created for IMA Raw Data Set with data up to Release 6 - geolib V1.0.1" /* FILE CHARACTERISTIC DATA ELEMENTS */ RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 506 FILE_RECORDS = 19037 FILE_NAME = "GEO_VENUS.TAB" DATA_SET_NAME = " VENUS EXPRESS VENUS/SOLARWIND ASPERA 2 IMA V1.0" DATA_SET_ID = "VEX-V/SW-ASPERA-2-IMA-V1.0" PRODUCT_ID = "GEO_VENUS" INSTRUMENT_HOST_NAME = "VENUS EXPRESS" INSTRUMENT_NAME = " ANALYZER OF SPACE PLASMA AND ENERGETIC ATOMS (4TH VERSION)" TARGET_NAME = "VENUS" REFERENCE_TARGET_NAME = "VENUS" START_TIME = 2005-12-09T13:01:58.534 STOP_TIME = 2007-10-03T02:43:25.043 SPACECRAFT_CLOCK_START_COUNT = "01/0024498119.57344" SPACECRAFT_CLOCK_STOP_COUNT = "01/0081744199.36831" PRODUCT_CREATION_TIME = 2010-07-07T08:11:05 /* DATA OBJECT POINTERS */ ^INDEX_TABLE = "GEO_VENUS.TAB" OBJECT = INDEX_TABLE INTERCHANGE_FORMAT = ASCII INDEX_TYPE = SINGLE NAME = "GEOMETRY INDEX TABLE" ROWS = 19037 ROW_BYTES = 506 COLUMNS = 47 OBJECT = COLUMN NAME = N START_BYTE = 1 BYTES = 3 DATA_TYPE = ASCII_INTEGER FORMAT = I3 VALID_MINIMUM = 1 DESCRIPTION = "Number of lines describing the footprint" END_OBJECT = COLUMN OBJECT = COLUMN NAME = I START_BYTE = 5 BYTES = 3 DATA_TYPE = ASCII_INTEGER FORMAT = I3 VALID_MINIMUM = 1 DESCRIPTION = "The current line number being described" END_OBJECT = COLUMN OBJECT = COLUMN NAME = CHANGE_MODE START_BYTE = 10 BYTES = 1 DATA_TYPE = CHARACTER FORMAT = A1 NOT_APPLICABLE_CONSTANT = "X" DESCRIPTION = " The CHANGE_MODE element represents the additional information about the type of data contained in the new release/revision. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = PATH_NAME START_BYTE = 14 BYTES = 23 DATA_TYPE = CHARACTER FORMAT = A23 DESCRIPTION = " The PATH_NAME data element identifies the full directory path - excluding the file name -- used to locate a file on a storage medium or online system. To allow the indication of the full path and file name within a descriptive label, this data element shall be used in conjunction with the FILE_NAME data element. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = FILE_NAME START_BYTE = 40 BYTES = 31 DATA_TYPE = CHARACTER FORMAT = A31 DESCRIPTION = " The FILE_NAME element provides the location independent name of a file. It excludes node or volume location, directory path names, and version specification. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRODUCT_ID START_BYTE = 74 BYTES = 27 DATA_TYPE = CHARACTER FORMAT = A27 DESCRIPTION = " The PRODUCT_ID data element represents a permanent, unique identifier assigned to a data product by its producer. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = DATA_SET_ID START_BYTE = 104 BYTES = 26 DATA_TYPE = CHARACTER FORMAT = A26 NOT_APPLICABLE_CONSTANT = "X" DESCRIPTION = " The DATA_SET_ID element is a unique alphanumeric identifier for a data set or a data product. The DATA_SET_ID value for a given data set or product is constructed according to flight project naming conventions. In most cases the DATA_SET_ID is an abbreviation of the DATA_SET_NAME. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = RELEASE_ID START_BYTE = 132 BYTES = 1 DATA_TYPE = ASCII_INTEGER FORMAT = I1 NOT_APPLICABLE_CONSTANT = -1 VALID_MAXIMUM = 9999 VALID_MINIMUM = 1 DESCRIPTION = " The RELEASE_ID indicates the release number of the data described by the entries in the geometry index table. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = REVISION_ID START_BYTE = 134 BYTES = 1 DATA_TYPE = ASCII_INTEGER FORMAT = I1 NOT_APPLICABLE_CONSTANT = -1 VALID_MAXIMUM = 9999 VALID_MINIMUM = 0 DESCRIPTION = " The REVISION_ID indicates the revision number for the release indicated in the RELEASE_ID. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = GEOMETRY_EPOCH START_BYTE = 137 BYTES = 23 DATA_TYPE = CHARACTER FORMAT = A23 UNIT = "UTC" DESCRIPTION = " Time when the geometrical and position parameters are computed. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = ORBIT_NUMBER START_BYTE = 162 BYTES = 4 DATA_TYPE = ASCII_INTEGER FORMAT = I4 NOT_APPLICABLE_CONSTANT = -999 VALID_MAXIMUM = 99999 VALID_MINIMUM = 1 DESCRIPTION = " Number of the orbit around the target body. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = SOLAR_LONGITUDE START_BYTE = 167 BYTES = 7 DATA_TYPE = ASCII_REAL FORMAT = "F7.3" UNIT = "DEGREE" VALID_MAXIMUM = 359.999 VALID_MINIMUM = 0.000 DESCRIPTION = " Angle between the body-Sun line at the time of interest and the body-Sun line at the vernal equinox. This provides a measure of season on a target body, with values of 0 to 90 degrees representing northern spring 90 to 180 degrees representing northern summer, 180 to 270 representing northern autumn and 270 to 360 degrees representing northern winter. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = SUB_SOLAR_LATITUDE START_BYTE = 175 BYTES = 6 DATA_TYPE = ASCII_REAL FORMAT = "F6.3" UNIT = "DEGREE" VALID_MAXIMUM = 90.000 VALID_MINIMUM = -90.000 DESCRIPTION = " Latitude of the sub-solar point. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = SUB_SOLAR_LONGITUDE START_BYTE = 182 BYTES = 7 DATA_TYPE = ASCII_REAL FORMAT = "F7.3" UNIT = "DEGREE" VALID_MAXIMUM = 359.999 VALID_MINIMUM = 0.000 DESCRIPTION = " Longitude of the sub-solar point. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = SC_SUN_DISTANCE START_BYTE = 190 BYTES = 13 DATA_TYPE = ASCII_REAL FORMAT = "F13.3" UNIT = "KM" DESCRIPTION = " Distance from the spacecraft to the center of the sun. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = X_SC_SUN_POSITION_VECTOR START_BYTE = 204 BYTES = 14 DATA_TYPE = ASCII_REAL FORMAT = "F14.3" UNIT = "KM" DESCRIPTION = " X component of the position vector from the spacecraft to the sun center, expressed in J2000 reference frame and corrected for light time and stellar aberration. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = Y_SC_SUN_POSITION_VECTOR START_BYTE = 219 BYTES = 14 DATA_TYPE = ASCII_REAL FORMAT = "F14.3" UNIT = "KM" DESCRIPTION = " Y component of the position vector from the spacecraft to the sun center, expressed in J2000 reference frame and corrected for light time and stellar aberration. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = Z_SC_SUN_POSITION_VECTOR START_BYTE = 234 BYTES = 13 DATA_TYPE = ASCII_REAL FORMAT = "F13.3" UNIT = "KM" DESCRIPTION = " Z component of the position vector from the spacecraft to the sun center, expressed in J2000 reference frame and corrected for light time and stellar aberration. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = X_SC_SUN_VELOCITY_VECTOR START_BYTE = 248 BYTES = 7 DATA_TYPE = ASCII_REAL FORMAT = "F7.3" UNIT = "KM/S" DESCRIPTION = " X component of the velocity vector from the spacecraft to the sun center, expressed in J2000 reference frame and corrected for light time and stellar aberration. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = Y_SC_SUN_VELOCITY_VECTOR START_BYTE = 256 BYTES = 7 DATA_TYPE = ASCII_REAL FORMAT = "F7.3" UNIT = "KM/S" DESCRIPTION = " Y component of the velocity vector from the spacecraft to the sun center, expressed in J2000 reference frame and corrected for light time and stellar aberration. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = Z_SC_SUN_VELOCITY_VECTOR START_BYTE = 264 BYTES = 7 DATA_TYPE = ASCII_REAL FORMAT = "F7.3" UNIT = "KM/S" DESCRIPTION = " Z component of the velocity vector from the spacecraft to the sun center, expressed in J2000 reference frame and corrected for light time and stellar aberration. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = X_SC_TARGET_POSITION_VECTOR START_BYTE = 272 BYTES = 12 DATA_TYPE = ASCII_REAL FORMAT = "F12.3" UNIT = "KM" DESCRIPTION = " X component of the position vector from the spacecraft to the target center, expressed in J2000 reference frame and corrected for light time and stellar aberration. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = Y_SC_TARGET_POSITION_VECTOR START_BYTE = 285 BYTES = 13 DATA_TYPE = ASCII_REAL FORMAT = "F13.3" UNIT = "KM" DESCRIPTION = " Y component of the position vector from the spacecraft to the target center, expressed in J2000 reference frame and corrected for light time and stellar aberration. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = Z_SC_TARGET_POSITION_VECTOR START_BYTE = 299 BYTES = 13 DATA_TYPE = ASCII_REAL FORMAT = "F13.3" UNIT = "KM" DESCRIPTION = " Z component of the position vector from the spacecraft to the target center, expressed in J2000 reference frame and corrected for light time and stellar aberration. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = X_TARGET_SUN_VELOCITY_VECTOR START_BYTE = 313 BYTES = 6 DATA_TYPE = ASCII_REAL FORMAT = "F6.3" UNIT = "KM/S" DESCRIPTION = " X component of the velocity vector from the spacecraft to the target center, expressed in J2000 reference frame and corrected for light time and stellar aberration. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = Y_TARGET_SUN_VELOCITY_VECTOR START_BYTE = 320 BYTES = 6 DATA_TYPE = ASCII_REAL FORMAT = "F6.3" UNIT = "KM/S" DESCRIPTION = " Y component of the velocity vector from the spacecraft to the target center, expressed in J2000 reference frame and corrected for light time and stellar aberration. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = Z_TARGET_SUN_VELOCITY_VECTOR START_BYTE = 327 BYTES = 6 DATA_TYPE = ASCII_REAL FORMAT = "F6.3" UNIT = "KM/S" DESCRIPTION = " Z component of the velocity vector from the spacecraft to the target center, expressed in J2000 reference frame and corrected for light time and stellar aberration. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPACECRAFT_ALTITUDE START_BYTE = 334 BYTES = 12 DATA_TYPE = ASCII_REAL FORMAT = "F12.3" UNIT = "KM" VALID_MINIMUM = 0.000 DESCRIPTION = " Distance from the spacecraft to a reference surface of the target body measured normal to the surface. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = SUB_SPACECRAFT_LATITUDE START_BYTE = 347 BYTES = 7 DATA_TYPE = ASCII_REAL FORMAT = "F7.3" UNIT = "DEGREE" NOT_APPLICABLE_CONSTANT = 999.999 VALID_MAXIMUM = 90.000 VALID_MINIMUM = -90.000 DESCRIPTION = " Latitude of the sub-spacecraft point. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = SUB_SPACECRAFT_LONGITUDE START_BYTE = 355 BYTES = 7 DATA_TYPE = ASCII_REAL FORMAT = "F7.3" UNIT = "DEGREE" NOT_APPLICABLE_CONSTANT = 999.999 VALID_MAXIMUM = 359.999 VALID_MINIMUM = 0.000 DESCRIPTION = " Longitude of the sub-spacecraft point. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = TARGET_NAME START_BYTE = 364 BYTES = 5 DATA_TYPE = CHARACTER DESCRIPTION = " Name of the observed Target. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = LOCAL_TRUE_SOLAR_TIME START_BYTE = 371 BYTES = 7 DATA_TYPE = ASCII_REAL FORMAT = "F7.3" UNIT = "DEGREE" NOT_APPLICABLE_CONSTANT = 999.999 VALID_MAXIMUM = 359.999 VALID_MINIMUM = 0.000 DESCRIPTION = " The LOCAL_TRUE_SOLAR_TIME element provides a measure of the instantaneous apparent sun position at the center of the observation. The LOCAL_TRUE_SOLAR_TIME is defined as the angle between the extension of the vector from the Sun to the target body and the projection on the target body's orbital plane of a vector from the target body's planetocentric centre to the point of interest. This angle is measured in a counterclockwise direction when viewed from north of the ecliptic plane. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = START_POINT_LATITUDE START_BYTE = 379 BYTES = 7 DATA_TYPE = ASCII_REAL FORMAT = "F7.3" UNIT = "DEGREE" NOT_APPLICABLE_CONSTANT = 999.999 VALID_MAXIMUM = 90.000 VALID_MINIMUM = -90.000 DESCRIPTION = "The START_POINT_LATITUDE element provides the latitude of the left-hand corner point of the current 'line' in the instrument detector. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = START_POINT_LONGITUDE START_BYTE = 387 BYTES = 7 DATA_TYPE = ASCII_REAL FORMAT = "F7.3" UNIT = "DEGREE" NOT_APPLICABLE_CONSTANT = 999.999 VALID_MAXIMUM = 359.999 VALID_MINIMUM = 0.000 DESCRIPTION = "The START_POINT_LONGITUDE element provides the longitude of the left-hand corner point of the current 'line' in the instrument detector. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = END_POINT_LATITUDE START_BYTE = 395 BYTES = 7 DATA_TYPE = ASCII_REAL FORMAT = "F7.3" UNIT = "DEGREE" NOT_APPLICABLE_CONSTANT = 999.999 VALID_MAXIMUM = 90.000 VALID_MINIMUM = -90.000 DESCRIPTION = "The END_POINT_LATITUDE element provides the latitude of the right-hand corner point of the current 'line' in the instrument detector. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = END_POINT_LONGITUDE START_BYTE = 403 BYTES = 7 DATA_TYPE = ASCII_REAL FORMAT = "F7.3" UNIT = "DEGREE" NOT_APPLICABLE_CONSTANT = 999.999 VALID_MAXIMUM = 359.999 VALID_MINIMUM = 0.000 DESCRIPTION = "The END_POINT_LONGITUDE element provides the longitude of the right-hand corner point of the current 'line' in the instrument detector. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = CENTER_LATITUDE START_BYTE = 411 BYTES = 9 DATA_TYPE = ASCII_REAL FORMAT = "F9.5" UNIT = "DEGREE" NOT_APPLICABLE_CONSTANT = 999.99999 VALID_MAXIMUM = 90.000 VALID_MINIMUM = -90.000 DESCRIPTION = " The CENTER_LATITUDE element provides the reference latitude for the observation. This is the latitude that corresponds with the central point of the observation. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = CENTER_LONGITUDE START_BYTE = 421 BYTES = 9 DATA_TYPE = ASCII_REAL FORMAT = "F9.5" UNIT = "DEGREE" NOT_APPLICABLE_CONSTANT = 999.99999 VALID_MAXIMUM = 359.999 VALID_MINIMUM = 0.000 DESCRIPTION = " The CENTER_LONGITUDE element provides the reference longitude for the observation. This is the longitude that corresponds with the central point of the observation. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = PHASE_ANGLE START_BYTE = 431 BYTES = 7 DATA_TYPE = ASCII_REAL FORMAT = "F7.3" UNIT = "DEGREE" NOT_APPLICABLE_CONSTANT = 999.999 VALID_MAXIMUM = 180.000 VALID_MINIMUM = 0.000 DESCRIPTION = " The PHASE_ANGLE element provides a measure of the relationship between the instrument viewing position and incident illumination (such as solar light). 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 NAME = INCIDENCE_ANGLE START_BYTE = 439 BYTES = 7 DATA_TYPE = ASCII_REAL FORMAT = "F7.3" UNIT = "DEGREE" NOT_APPLICABLE_CONSTANT = 999.999 VALID_MAXIMUM = 90.000 VALID_MINIMUM = 0.000 DESCRIPTION = " The INCIDENCE_ANGLE element 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. The incidence angle varies from 0 degrees when the intercept point coincides with the sub-solar point to 90 degrees when the intercept point is at the terminator (i.e. in the shadowed, or dark, portion of the target body). " END_OBJECT = COLUMN OBJECT = COLUMN NAME = EMISSION_ANGLE START_BYTE = 447 BYTES = 7 DATA_TYPE = ASCII_REAL FORMAT = "F7.3" UNIT = "DEGREE" NOT_APPLICABLE_CONSTANT = 999.999 VALID_MAXIMUM = 90.000 VALID_MINIMUM = 0.000 DESCRIPTION = " The EMISSION_ANGLE element 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. This angle varies from 0 degrees when the spacecraft is viewing the sub-spacecraft point (nadir viewing) to 90 degrees when the intercept is tangent to the surface of the target body. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = SLANT_DISTANCE START_BYTE = 455 BYTES = 8 DATA_TYPE = ASCII_REAL FORMAT = "F8.3" UNIT = "KM" NOT_APPLICABLE_CONSTANT = -999.999 VALID_MINIMUM = 0.000 DESCRIPTION = " The SLANT_DISTANCE element provides a measure of the distance from the spacecraft to the center of the observation on the target. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = NORTH_POLE_AZIMUTH_ANGLE START_BYTE = 464 BYTES = 7 DATA_TYPE = ASCII_REAL FORMAT = "F7.3" UNIT = "DEGREE" NOT_APPLICABLE_CONSTANT = 999.999 VALID_MAXIMUM = 359.999 VALID_MINIMUM = 0.000 DESCRIPTION = " The NORTH_POLE_AZIMUTH_ANGLE element provides the value of the angle between a line from the image center to the north pole and a reference line in the image plane. The reference line is a horizontal line from the image center to the middle right edge of the image. This angle increases in a clockwise direction. This column description is equivalent to the PDS keyword description NORTH_AZIMUTH " END_OBJECT = COLUMN OBJECT = COLUMN NAME = SUB_SC_AZIMUTH_ANGLE START_BYTE = 472 BYTES = 7 DATA_TYPE = ASCII_REAL FORMAT = "F7.3" UNIT = "DEGREE" NOT_APPLICABLE_CONSTANT = 999.999 VALID_MAXIMUM = 359.999 VALID_MINIMUM = 0.000 DESCRIPTION = " The SUB_SC_AZIMUTH_ANGLE element provides the value of the angle between the line from the center of an image to the sub-spacecraft point and a horizontal reference line (in the image plane) extending from the image center to the middle right edge of the image. The values of this angle increase in a clockwise direction.This column description is equivalent to the PDS keyword description SUB_SPACECRAFT_AZIMUTH. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = SUB_SOLAR_AZIMUTH_ANGLE START_BYTE = 480 BYTES = 7 DATA_TYPE = ASCII_REAL FORMAT = "F7.3" UNIT = "DEGREE" NOT_APPLICABLE_CONSTANT = 999.999 VALID_MAXIMUM = 359.999 VALID_MINIMUM = 0.000 DESCRIPTION = " The SUB_SOLAR_AZIMUTH_ANGLE element provides the value of the angle between the line from the center of an image to the sub-solar point and a horizontal reference line (in the image plane) extending from the image center to the middle right edge of the image. The values of this angle increase in a clockwise direction. This column description is equivalent to the PDS keyword description SUB_SOLAR_AZIMUTH." END_OBJECT = COLUMN OBJECT = COLUMN NAME = HORIZONTAL_PIXEL_SCALE START_BYTE = 488 BYTES = 8 DATA_TYPE = ASCII_REAL FORMAT = "F8.3" UNIT = "METER" NOT_APPLICABLE_CONSTANT = -999.999 VALID_MINIMUM = 0.000 DESCRIPTION = "This column provides the number of meters per horizontal resolution unit at the center of the observation." END_OBJECT = COLUMN OBJECT = COLUMN NAME = VERTICAL_PIXEL_SCALE START_BYTE = 497 BYTES = 8 DATA_TYPE = ASCII_REAL FORMAT = "F8.3" UNIT = "METER" NOT_APPLICABLE_CONSTANT = -999.999 VALID_MINIMUM = 0.000 DESCRIPTION = "This column provides the number of meters per horizontal resolution unit at the center of the observation." END_OBJECT = COLUMN END_OBJECT = INDEX_TABLE END