PDS_VERSION_ID = PDS3 RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 516 FILE_RECORDS = 78679 ^INDEX_TABLE = "USCINDEX.TAB" INSTRUMENT_HOST_NAME = "MESSENGER" INSTRUMENT_NAME = " MERCURY ATMOSPHERIC AND SURFACE COMPOSITION SPECTROMETER" START_TIME = 2004-08-27T22:06:46.0 STOP_TIME = 2015-04-30T15:03:41.0 PRODUCT_CREATION_TIME = 2017-04-10T17:16:13.0 OBJECT = INDEX_TABLE INDEX_TYPE = SINGLE INTERCHANGE_FORMAT = ASCII ROWS = 78679 ROW_BYTES = 516 COLUMNS = 26 DESCRIPTION = " This table contains the volume index of all UVVS CDR science data files on this volume. Each record of this index consists of comma delimited data columns folowed by an ASCII carriage-return and line-feed. The row bytes value of includes not only the lengths of the values themselves, but also any quotes, the commas, and the carriage-return / line-feed characters." OBJECT = COLUMN NAME = VOLUME_ID COLUMN_NUMBER = 1 START_BYTE = 2 BYTES = 12 DATA_TYPE = CHARACTER DESCRIPTION = "The PDS VOLUME_ID." END_OBJECT = COLUMN OBJECT = COLUMN NAME = FILE_SPECIFICATION_NAME COLUMN_NUMBER = 2 START_BYTE = 17 BYTES = 68 DATA_TYPE = CHARACTER DESCRIPTION = "Fully qualified name of the data file, relative to the volume root directory" END_OBJECT = COLUMN /* Note that the file specification orginates at the root, so no */ /* logical volume path name is included. */ OBJECT = COLUMN NAME = MISSION_PHASE_NAME COLUMN_NUMBER = 3 START_BYTE = 88 BYTES = 20 DATA_TYPE = CHARACTER DESCRIPTION = "The mission phase during which the observations were obtained." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TARGET_NAME COLUMN_NUMBER = 4 START_BYTE = 111 BYTES = 20 DATA_TYPE = CHARACTER DESCRIPTION = "The target observed." END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRODUCT_ID COLUMN_NUMBER = 5 START_BYTE = 134 BYTES = 31 DATA_TYPE = CHARACTER DESCRIPTION = "PRODUCT_ID from the PDS label" END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRODUCT_VERSION_ID COLUMN_NUMBER = 6 START_BYTE = 168 BYTES = 3 DATA_TYPE = CHARACTER DESCRIPTION = "PRODUCT_VERSION_ID from the PDS label" END_OBJECT = COLUMN OBJECT = COLUMN NAME = PRODUCT_CREATION_TIME COLUMN_NUMBER = 7 START_BYTE = 173 BYTES = 19 DATA_TYPE = TIME DESCRIPTION = "Creation time from the PDS label" END_OBJECT = COLUMN OBJECT = COLUMN NAME = DATA_SET_ID COLUMN_NUMBER = 8 START_BYTE = 194 BYTES = 40 DATA_TYPE = CHARACTER DESCRIPTION = "DATA_SET_ID from the PDS label." END_OBJECT = COLUMN OBJECT = COLUMN NAME = STANDARD_DATA_PRODUCT_ID COLUMN_NUMBER = 9 START_BYTE = 237 BYTES = 11 DATA_TYPE = CHARACTER DESCRIPTION = "STANDARD_DATA_PRODUCT_ID from the PDS label. Identifies the data product in the volume archive." END_OBJECT = COLUMN OBJECT = COLUMN NAME = START_TIME COLUMN_NUMBER = 10 START_BYTE = 250 BYTES = 19 DATA_TYPE = TIME DESCRIPTION = "The UTC START_TIME value from the PDS label" END_OBJECT = COLUMN OBJECT = COLUMN NAME = STOP_TIME COLUMN_NUMBER = 11 START_BYTE = 270 BYTES = 19 DATA_TYPE = TIME DESCRIPTION = "The UTC STOP_TIME value from the PDS label" END_OBJECT = COLUMN OBJECT = COLUMN NAME = START_MET_PARTITION COLUMN_NUMBER = 12 START_BYTE = 290 BYTES = 3 DATA_TYPE = ASCII_INTEGER DESCRIPTION = "The MET partition (roll-over count) associated with the SPACECRAFT_CLOCK_START_COUNT value (column 13). This value is incremented by 1 for every instance where MET values have been reset." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPACECRAFT_CLOCK_START_COUNT COLUMN_NUMBER = 13 START_BYTE = 295 BYTES = 15 DATA_TYPE = CHARACTER DESCRIPTION = "The SPACECRAFT_CLOCK_START_COUNT value from the PDS label. This is the MET of the first observation in the data file." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SPACECRAFT_CLOCK_STOP_COUNT COLUMN_NUMBER = 14 START_BYTE = 313 BYTES = 15 DATA_TYPE = CHARACTER DESCRIPTION = "The SPACECRAFT_CLOCK_STOP_COUNT value from the PDS label. This is the MET of the last observation in the data file" END_OBJECT = COLUMN OBJECT = COLUMN NAME = CENTER_TARGET_LATITUDE COLUMN_NUMBER = 15 START_BYTE = 330 BYTES = 15 DATA_TYPE = ASCII_REAL MISSING_CONSTANT = -1.E32 DESCRIPTION = "For exosphere observations this indicates the latitude below the tangent point of the UVVS field-of-view center for the first record in the CDR. For surface observations this indicates the latitude of the location where the field-of-view center intersects the planet surface for the first record in the CDR. Unit=degrees." END_OBJECT = COLUMN OBJECT = COLUMN NAME = CENTER_TARGET_LONGITUDE COLUMN_NUMBER = 16 START_BYTE = 346 BYTES = 15 DATA_TYPE = ASCII_REAL MISSING_CONSTANT = -1.E32 DESCRIPTION = "For exosphere observations this indicates the longitude below the tangent point of the UVVS field-of-view center for the first record in the CDR. For surface observations this indicates the longitude of the location where the field-of-view center intersects the planet surface for the first record in the CDR. Unit=degrees." END_OBJECT = COLUMN OBJECT = COLUMN NAME = CENTER_TANGENT_ALTITUDE COLUMN_NUMBER = 17 START_BYTE = 362 BYTES = 15 DATA_TYPE = ASCII_REAL MISSING_CONSTANT = -1.E32 DESCRIPTION = "For exosphere observations this indicates the altitude of the actual field-of-view center above the surface along a radial line for the first record in the CDR. Altitude = 0 for surface observations. Unit=kilometers." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SURFACE_OR_EXOSPHERE COLUMN_NUMBER = 18 START_BYTE = 378 BYTES = 1 DATA_TYPE = ASCII_INTEGER DESCRIPTION = "Values are calculated for first record in the CDR: =0 if CENTER_TANGENT_ALTITUDE is 0 =1 if CENTER_TANGENT_ALTITUDE is greater than 0. =2 if CENTER_TANGENT_ALTITUDE is N/A. " END_OBJECT = COLUMN OBJECT = COLUMN NAME = CENTER_RA COLUMN_NUMBER = 19 START_BYTE = 380 BYTES = 15 DATA_TYPE = ASCII_REAL DESCRIPTION = "Right ascension of UVVS footprint center for first record in the CDR." END_OBJECT = COLUMN OBJECT = COLUMN NAME = CENTER_DEC COLUMN_NUMBER = 20 START_BYTE = 396 BYTES = 15 DATA_TYPE = ASCII_REAL DESCRIPTION = "Declination of UVVS footprint center for first record in the CDR." END_OBJECT = COLUMN OBJECT = COLUMN NAME = TRUE_ANOMALY COLUMN_NUMBER = 21 START_BYTE = 412 BYTES = 15 DATA_TYPE = ASCII_REAL DESCRIPTION = "Derived true anomaly of the target planet for first record in the CDR." END_OBJECT = COLUMN OBJECT = COLUMN NAME = START_WAVELENGTH COLUMN_NUMBER = 22 START_BYTE = 428 BYTES = 15 DATA_TYPE = ASCII_REAL DESCRIPTION = "Wavelength of first record in the CDR. From wavelength equation. Unit = nanometers." END_OBJECT = COLUMN OBJECT = COLUMN NAME = END_WAVELENGTH COLUMN_NUMBER = 23 START_BYTE = 444 BYTES = 15 DATA_TYPE = ASCII_REAL DESCRIPTION = "Wavelength of last record in the CDR. From wavelength equation. Unit = nanometers." END_OBJECT = COLUMN OBJECT = COLUMN NAME = AVERAGE_RAD_KR COLUMN_NUMBER = 24 START_BYTE = 460 BYTES = 15 DATA_TYPE = ASCII_REAL DESCRIPTION = "Sum of calibrated radiance values divided by number of steps. Unit = kiloRayleighs/nanometer." END_OBJECT = COLUMN OBJECT = COLUMN NAME = AVERAGE_RAD_W COLUMN_NUMBER = 25 START_BYTE = 476 BYTES = 15 DATA_TYPE = ASCII_REAL DESCRIPTION = "Sum of calibrated radiance values divided by number of steps. Unit = W/(m**2 steradian micron)." END_OBJECT = COLUMN OBJECT = COLUMN NAME = SUMMARY_DQI COLUMN_NUMBER = 26 START_BYTE = 493 BYTES = 21 DATA_TYPE = CHARACTER DESCRIPTION = "The cumulative data quality string created by evaluating the DATA_QUALITY_INDEX for all the records in the CDR. Format: A-BCDEF-GHIJ-KLM-NOPQ. A: =1 if at least one record has an SBOS trip. =0 for no SBOS trip. B: =1 if at least one record has the footprint center intersecting the planet. = 0 if no intersect found. C: =1 if at least one record has the footprint corner 1 intersecting the planet. =0 if no intersect found. D: =1 if at least one record has the footprint corner 2 intersecting the planet. =0 if no intersect found. E: =1 if at least one record has the footprint corner 3 intersecting the planet. =0 if no intersect found. F: =1 if at least one record has the footprint corner 4 intersecting the planet. =0 if no intersect found. G: =1 if at least one record has a partial scan. =0 if no partial scans found. H: Maximum value of the Temperature 1 flag for this UVVS detector. =0 Temperature does not exceed 25 deg C threshold. =1 Temperature exceeds 25 deg C threshold but less than 45 deg C threshold. =2 Temperature exceeds 45 deg C threshold. I: =1 if at least one UVVS noise spike flag detected. =0 if no UVVS noise spike flag detected. J: =1 if VIRS is scanning during readout for at least one record. =0 if no VIRS scanning found. K: =1 if at least one buffer overflow found. =0 if no buffer overflow found L: Value shows the background subtraction method used. M: Background quality flag (not yet implemented, hardcoded to 0) N: Minimum value of the SPICE version Epoch flag. from 0-2. O: Bad data identifier for UVVS. Bad data encompass when a Solar Energetic Particle event interacts with the instrument causing noisy data that should not be used. There are also times when the instrument wavelength fiducial misregisters. The data is compromised when these events happen and should not be used. =1 if at least one record was affected by a CME. =0 if no records were affected. P-Q: spares. hardcoded to 0." END_OBJECT = COLUMN END_OBJECT = INDEX_TABLE END