PDS_VERSION_ID = PDS3 RECORD_TYPE = "FIXED_LENGTH" RECORD_BYTES = 366 FILE_RECORDS = 2991 ^TABLE = "IUEINDEX.TAB" DATA_SET_ID = { "IUE-C-LWP-3-EDR-IUECDB-V1.0", "IUE-C-SWP-3-EDR-IUECDB-V1.0", "IUE-C-LWR-3-EDR-IUECDB-V1.0" } PRODUCT_ID = "IUE_SCIENCE-INDEX-200510" PRODUCT_CREATION_TIME = 2005-05-25 PRODUCT_NAME = "INDEX OF IUE AVAILABLE SCIENCE DATA FOR 56 COMET APPARITIONS" OBJECT = TABLE COLUMNS = 25 INTERCHANGE_FORMAT = "ASCII" ROW_BYTES = 366 ROWS = 2991 OBJECT = COLUMN COLUMN_NUMBER = 1 NAME = "FILE_SPECIFICATION" BYTES = 53 DATA_TYPE = "CHARACTER" START_BYTE = 2 FORMAT = "A53" DESCRIPTION = "The fully qualified file name of the label, beginning with the delivery volume ID. The volume id (IUECDB_000n) is tied to the instrument designation: IUECDB_0001 is LWP data, IUECDB_0002 is LWR data, and IUECDB_0003 is SWR data." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 NAME = "DATA_SET_ID" BYTES = 27 DATA_TYPE = "CHARACTER" START_BYTE = 59 FORMAT = "A27" DESCRIPTION = "DATA_SET_ID in the label file" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 3 NAME = "TARGET_NAME" BYTES = 39 DATA_TYPE = "CHARACTER" START_BYTE = 90 FORMAT = "A39" DESCRIPTION = "Name of the target as it appears in the label file. This file is sorted on the comet name (not including qualifiers like '109P/' or 'C/') and START_TIME." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 4 NAME = "OBSERVATION_ID" BYTES = 5 DATA_TYPE = "ASCII_INTEGER" START_BYTE = 132 FORMAT = "I5" DESCRIPTION = "A unique id for the scientific observation in the data product for this data set." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 5 NAME = "INSTRUMENT_ID" BYTES = 3 DATA_TYPE = "CHARACTER" START_BYTE = 140 FORMAT = "A3" DESCRIPTION = "The instrument ID from the label - either LWP, LWR or SWP" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 6 NAME = "DISPERSION_MODE_ID" BYTES = 4 DATA_TYPE = "CHARACTER" START_BYTE = 147 FORMAT = "A4" DESCRIPTION = "The dispersion mode selected for the spectrograph during observation." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 7 NAME = "IUE_WAVELENGTH_ID" BYTES = 1 DATA_TYPE = "CHARACTER" START_BYTE = 155 FORMAT = "A1" DESCRIPTION = "An ID that indicates whether the observation was made using IUE's Large (L) or Small (S) wavelength apertures." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 8 NAME = "APERTURE_TYPE" BYTES = 5 DATA_TYPE = "CHARACTER" START_BYTE = 160 FORMAT = "A5" DESCRIPTION = "The type of aperture used for observation." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 9 NAME = "SLIT_POSITION_ANGLE" BYTES = 6 DATA_TYPE = "ASCII_REAL" START_BYTE = 168 UNIT = "DEGREE" FORMAT = "F6.2" DESCRIPTION = "The angle from celestial North, measured eastward, to the longer axis of the slit in the aperture." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 10 NAME = "SOLAR_VECTOR_POSITION_ANGLE" BYTES = 6 DATA_TYPE = "ASCII_REAL" START_BYTE = 176 UNIT = "DEGREE" FORMAT = "F6.2" DESCRIPTION = "The angle from celestial North, measured eastward, to the Sun." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 11 NAME = "SLIT_OFFSET_ARC_DISTANCE" BYTES = 7 DATA_TYPE = "ASCII_REAL" START_BYTE = 184 FORMAT = "F7.1" MISSING_CONSTANT = -9999.9 UNIT = "ARCSECOND" DESCRIPTION = "The slit offset distance from the comet nucleus given in arc seconds." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 12 NAME = "SLIT_OFFSET_POSITION_ANGLE" BYTES = 3 DATA_TYPE = "ASCII_INTEGER" START_BYTE = 193 FORMAT = "I3" MISSING_CONSTANT = -99 UNIT = "DEGREE" DESCRIPTION = "The position angle of slit-comet vector measured eastward from celestial North." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 13 NAME = "START_TIME" BYTES = 23 DATA_TYPE = "CHARACTER" START_BYTE = 199 FORMAT = "A23" DESCRIPTION = "Time indicating the start of observation given in UTC format." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 14 NAME = "MID_TIME" BYTES = 23 DATA_TYPE = "CHARACTER" START_BYTE = 226 FORMAT = "A23" DESCRIPTION = "Time indicating the middile of the observation in UTC format." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 15 NAME = "STOP_TIME" BYTES = 23 DATA_TYPE = "CHARACTER" START_BYTE = 253 FORMAT = "A23" DESCRIPTION = "Time indicating the end of the observation in UTC format." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 16 NAME = "EXPOSURE_DURATION" BYTES = 9 DATA_TYPE = "ASCII_REAL" START_BYTE = 279 UNIT = "SECOND" FORMAT = "F9.3" DESCRIPTION = "The duration of the exposure for observation." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 17 NAME = "TARGET_HELIOCENTRIC_DISTANCE" BYTES = 7 DATA_TYPE = "ASCII_REAL" START_BYTE = 290 UNIT = "AU" FORMAT = "F7.4" DESCRIPTION = "The distance between the sun and the target." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 18 NAME = "TARGET_HELIOCENTRIC_VELOCITY" BYTES = 5 DATA_TYPE = "ASCII_REAL" START_BYTE = 299 UNIT = "KM/S" FORMAT = "F5.1" DESCRIPTION = "The velocity of the target with respect to the sun." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 19 NAME = "TARGET_GEOCENTRIC_DISTANCE" BYTES = 7 DATA_TYPE = "ASCII_REAL" START_BYTE = 306 UNIT = "AU" FORMAT = "F7.4" DESCRIPTION = "The distance of the target from Earth." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 20 NAME = "TARGET_GEOCENTRIC_VELOCITY" BYTES = 5 DATA_TYPE = "ASCII_REAL" START_BYTE = 315 UNIT = "KM/S" FORMAT = "F5.1" DESCRIPTION = "The velocity of the target with respect to Earth." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 21 NAME = "TIME_FROM_PERIHELION" BYTES = 9 DATA_TYPE = "ASCII_REAL" START_BYTE = 322 UNIT = "DAY" FORMAT = "F9.3" DESCRIPTION = "The time in days from the closest perihelion of target." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 22 NAME = "SOLAR_ELONGATION" BYTES = 5 DATA_TYPE = "ASCII_REAL" START_BYTE = 333 UNIT = "DEGREE" FORMAT = "F5.1" MISSING_CONSTANT = -99.9 DESCRIPTION = "The angle between line of sight of observation and direction of Sun." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 23 NAME = "PHASE_ANGLE" BYTES = 5 DATA_TYPE = "ASCII_REAL" START_BYTE = 340 UNIT = "DEGREE" FORMAT = "F5.1" MISSING_CONSTANT = -99.9 DESCRIPTION = "The angle between the vector to the illumination source and the vector to the instrument." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 24 NAME = "RIGHT_ASCENSION" BYTES = 8 DATA_TYPE = "ASCII_REAL" START_BYTE = 347 UNIT = "DEGREE" FORMAT = "F8.4" DESCRIPTION = "The arc of the celestial equator between the vernal equinox and the point where the hour circle through the given body intersects the Earth's mean equator." END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 25 NAME = "DECLINATION" BYTES = 8 DATA_TYPE = "ASCII_REAL" START_BYTE = 357 UNIT = "DEGREE" FORMAT = "F8.4" DESCRIPTION = "The value of an angle, corresponding to latitude, used to fix position on the celestial sphere." END_OBJECT = COLUMN END_OBJECT = TABLE END