PDS_VERSION_ID = PDS3 /* File Characteristics */ RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 84 FILE_RECORDS = 94 /* Data Object Pointers */ ^TABLE = "sawindex.tab" /* Identification Keywords */ DATA_SET_ID = "EAR-A-3-RDR-SAWYER-ASTEROID-SPECTRA-V1.0" PRODUCT_NAME = "Sawyer Asteroid Spectra Index" PRODUCT_ID = "SAWYER-SAWINDEX-199803" INSTRUMENT_HOST_NAME = "N/A" INSTRUMENT_NAME = "N/A" TARGET_NAME = ASTEROID START_TIME = 1983-09-15 STOP_TIME = 1990-07-14 PRODUCT_CREATION_TIME = 1998-03-23 /* Peer Review Date */ RECORD_FORMAT = "(i5,1x,a8,1x,i4,2(1x,i2),1x,f4.1,1x,f6.2, 2(1x,i3),6(1x,f4.2),1x,a5)" /* Data Object Descriptions */ OBJECT = TABLE ROWS = 94 ROW_BYTES = 84 INTERCHANGE_FORMAT = ASCII COLUMNS = 16 DESCRIPTION = "Index to the Sawyer asteroid spectra, with observational circumstances for each observation." OBJECT = COLUMN COLUMN_NUMBER = 1 NAME = "ASTEROID NUMBER" DATA_TYPE = ASCII_INTEGER START_BYTE = 1 BYTES = 5 FORMAT = I5 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 NAME = "SPECTRUM ID" DESCRIPTION = "A unique identifier for a particular spectral observation of an asteroid. This identifier is designed to be coincident with the filename of the file containing that spectrum." DATA_TYPE = CHARACTER START_BYTE = 7 BYTES = 8 FORMAT = A8 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 3 NAME = "OBSERVATION YEAR" DESCRIPTION = "The year in which the observation was made." DATA_TYPE = ASCII_INTEGER START_BYTE = 16 BYTES = 4 FORMAT = I4 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 4 NAME = "OBSERVATION MONTH" DESCRIPTION = "The month in which the observation was made." DATA_TYPE = ASCII_INTEGER START_BYTE = 21 BYTES = 2 FORMAT = I2 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 5 NAME = "OBSERVATION DAY" DESCRIPTION = "The day of the month on which the observation was made." DATA_TYPE = ASCII_INTEGER START_BYTE = 24 BYTES = 2 FORMAT = I2 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 6 NAME = "VISUAL MAGNITUDE" DESCRIPTION = "Apparent visual magnitude of the asteroid at the time of the observation." UNIT = "MAGNITUDE" DATA_TYPE = ASCII_REAL START_BYTE = 27 BYTES = 4 FORMAT = "F4.1" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 7 NAME = "INTEGRATION TIME" DESCRIPTION = "Total integration time of the observation in minutes." UNIT = "MINUTE" DATA_TYPE = ASCII_REAL START_BYTE = 32 BYTES = 6 FORMAT = "F6.2" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 8 NAME = "PHASE ANGLE" DESCRIPTION = "Phase angle at the time of observation, in degrees." UNIT = "DEGREE" DATA_TYPE = ASCII_INTEGER START_BYTE = 39 BYTES = 3 FORMAT = I3 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 9 NAME = "SOLAR ELONGATION" DESCRIPTION = "Solar elongation of the asteroid at the time of observation, in degrees." UNIT = "DEGREE" DATA_TYPE = ASCII_INTEGER START_BYTE = 43 BYTES = 3 FORMAT = I3 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 10 NAME = "HELIOCENTRIC DISTANCE" DESCRIPTION = "Heliocentric distance of the asteroid at the time of observation, in AUs." UNIT = "ASTRONOMICAL UNIT" DATA_TYPE = ASCII_REAL START_BYTE = 47 BYTES = 4 FORMAT = "F4.2" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 11 NAME = "GEOCENTRIC DISTANCE" DESCRIPTION = "Geocentric distance of the asteroid at the time of observation, in AUs." UNIT = "ASTRONOMICAL UNIT" DATA_TYPE = ASCII_REAL START_BYTE = 52 BYTES = 4 FORMAT = "F4.2" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 12 NAME = "AIRMASS" DESCRIPTION = "Average airmass of the observation." DATA_TYPE = ASCII_REAL START_BYTE = 57 BYTES = 4 FORMAT = "F4.2" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 13 NAME = "WAVELENGTH COVERAGE LOWER LIMIT" DESCRIPTION = "The limit of wavelength coverage of this spectrum in the blue." UNIT = "MICRON" DATA_TYPE = ASCII_REAL START_BYTE = 62 BYTES = 4 FORMAT = "F4.2" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 14 NAME = "WAVELENGTH COVERAGE UPPER LIMIT" DESCRIPTION = "The limit of wavelength coverage of this spectrum in the red." UNIT = "MICRON" DATA_TYPE = ASCII_REAL START_BYTE = 67 BYTES = 4 FORMAT = "F4.2" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 15 NAME = "NORMALIZATION WAVELENGTH" DESCRIPTION = "The spectrum has been normalized to one at this wavelength." UNIT = "MICRON" DATA_TYPE = ASCII_REAL START_BYTE = 72 BYTES = 4 FORMAT = "F4.2" MISSING_CONSTANT = 9.99 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 16 NAME = "SOLAR STARS" DESCRIPTION = "This integer or list of integers identifies the solar analog stars used in reducing this observation. The correspondence between integers and solar stars, along with additional information about each star, is given in an associated table in this data set." DATA_TYPE = CHARACTER START_BYTE = 77 BYTES = 5 FORMAT = A5 END_OBJECT = COLUMN END_OBJECT = TABLE END