PDS_VERSION_ID = PDS3 /* File Characteristics */ RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 22 FILE_RECORDS = 341 /* Data Object Pointers */ ^SPECTRUM = "N858.TAB" /* Identification Keywords */ DATA_SET_ID = "EAR-A-3-RDR-LARSON-FTS-SPECTRA-V1.0" PRODUCT_NAME = "Larson FTS Spectrum N858" PRODUCT_ID = "LARSON-N858-200005" INSTRUMENT_HOST_NAME = "N/A" INSTRUMENT_NAME = "LFTS" TARGET_NAME = ASTEROID START_TIME = 1975-01 STOP_TIME = 1982-03 PRODUCT_CREATION_TIME = 2000-05-12 /* Peer Review Date */ /* Data Object Descriptions */ OBJECT = SPECTRUM ROWS = 341 ROW_BYTES = 22 INTERCHANGE_FORMAT = ASCII COLUMNS = 2 DESCRIPTION = "Asteroid spectra taken from 1975 through 1982 with the infrared fourier transform spectroscope of Hal Larson. Only very limited documentation of these spectra survive. Where known, the observation date, telescope, and relevant publication are listed in the index file, along with a short comment as to the type of spectrum, derived from the original tape logs. Error bars are not known for these spectra, although in some cases a general error level is quoted in the published paper." OBJECT = COLUMN COLUMN_NUMBER = 1 NAME = WAVELENGTH DESCRIPTION = "Wavelength of data point in microns." UNIT = MICRON DATA_TYPE = ASCII_REAL START_BYTE = 1 BYTES = 12 FORMAT = "E12.6" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 NAME = REFLECTANCE DESCRIPTION = "Reflectance of asteroid in arbitrary units." UNIT = NONE DATA_TYPE = ASCII_INTEGER START_BYTE = 14 BYTES = 6 FORMAT = I6 MISSING_CONSTANT = 0 END_OBJECT = COLUMN END_OBJECT = SPECTRUM END