PDS_VERSION_ID = PDS3 /* FILE CHARACTERISTICS DATA ELEMENTS */ RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 20 FILE_RECORDS = 1024 FILE_NAME = "RA_AEFF_004.LBL" /* this label file */ /* INSTRUMENT AND MISSION DESCRIPTIVE DATA ELEMENTS */ INSTRUMENT_ID = "ALICE" INSTRUMENT_NAME = "ALICE" INSTRUMENT_TYPE = "ULTRAVIOLET SPECTROMETER" INSTRUMENT_HOST_ID = "RO" INSTRUMENT_HOST_NAME = "ROSETTA-ORBITER" MISSION_ID = "ROSETTA" MISSION_NAME = "INTERNATIONAL ROSETTA MISSION" /* PRODUCT AND DATA SET DATA ELEMENTS */ PRODUCT_ID = "RA_AEFF_004" PRODUCER_ID = "ROSETTA_ALICE" PRODUCER_FULL_NAME = "ANDREW J. STEFFL" PRODUCER_INSTITUTION_NAME = "SOUTHWEST RESEARCH INSTITUTE" PRODUCT_CREATION_TIME = 2007-04-04T16:45:00 DATA_SET_ID = "RO-CAL/J/M-ALICE-2-MARS-V1.0" ^EFFECTIVE_AREA_TABLE = "RA_AEFF_004.TAB" OBJECT = EFFECTIVE_AREA_TABLE INTERCHANGE_FORMAT = ASCII ROWS = 1024 COLUMNS = 2 ROW_BYTES = 20 DESCRIPTION = " This file contains the inflight derived effective area calibration for the Rosetta Alice instrument. Data are based on the laboratory calibration done by Dave Slater. Following launch, the effective area was scaled by a factor of 0.4 lower to account for the first estimates of in-flight sensitivity. At wavelengths > 1000 A, the lab calibration has been replaced with in-flight calibration based on observations of calibration stars. Above 1450 A, this in-flight calibration was modified with the effective area derived from comparing the observed spectrum of Vega with that observed by IUE." OBJECT = COLUMN NAME = "WAVELENGTH" DATA_TYPE = ASCII_REAL START_BYTE = 1 BYTES = 7 DESCRIPTION = "Wavelength" UNIT = "ANGSTROMS" COLUMN_NUMBER = 1 FORMAT = "F7.2" END_OBJECT = COLUMN OBJECT = COLUMN NAME = "EFFECTIVE_AREA" DATA_TYPE = ASCII_REAL START_BYTE = 8 BYTES = 11 DESCRIPTION = "Effective area of the Alice UV spectrometer" UNIT = "CM**2" COLUMN_NUMBER = 2 FORMAT = "F11.6" END_OBJECT = COLUMN END_OBJECT = EFFECTIVE_AREA_TABLE END