PDS_VERSION_ID = PDS3 RECORD_TYPE = "FIXED_LENGTH" RECORD_BYTES = 56 FILE_RECORDS = 3 DATA_SET_ID = "IHW-C-IRPOL-3-RDR-HALLEY-V2.0" PRODUCT_ID = "IRPOL009" PRODUCT_NAME = "IHW IR POLARIZATION TABLE 221007" PRODUCT_CREATION_TIME = 2006-05-11 INSTRUMENT_HOST_NAME = "IHW INFRARED STUDIES NETWORK" INSTRUMENT_HOST_ID = "IRSN" INSTRUMENT_NAME = "IHW INFRARED POLARIMETRY DATA" INSTRUMENT_ID = "IRPOL" TARGET_NAME = "1P/HALLEY 1 (1682 Q1)" START_TIME = 1986-03-24T08:03 STOP_TIME = 1986-03-24T08:28 OBSERVATION_TIME = 1986-03-24T08:15 OBSERVATION_ID = "221007" OBSERVER_FULL_NAME = "BROOKE,T/ET AL." DESCRIPTION = " System code: 28070200 Observatory Info Name: CTIO Location: LA SERENA, CHILE East Longitude: 289.1850 North Latitude: -30.1650 Telescope: 1.5-M Instrument: INSB PHOT Comments from the FITS header: ADD.OBS. JOYCE,R/KNACKE,R ORIGIN 1 Point of peak signal REFERENC Brooke, T.Y., Knacke, R.F., and Joyce, R.R. 1987, REFERENC Astron. Astrophys., 187, 621. REFERENC Brooke, T.Y., Knacke, R.F., and Joyce, R.R. 1986, REFERENC Proc. 20th ESLAB Symp. on the Exploration of Halley's Comet, REFERENC ESA SP-250, 3, 87. REFERENC Brooke, T.Y. 1988, Thesis, Stony Brook. " ^TABLE = "IRPOL009.TAB" OBJECT = TABLE INTERCHANGE_FORMAT = "ASCII" ROWS = 3 ROW_BYTES = 56 COLUMNS = 12 OBJECT = COLUMN COLUMN_NUMBER = 1 NAME = "FILTER" START_BYTE = 1 BYTES = 1 DATA_TYPE = "CHARACTER" FORMAT = "A1" DESCRIPTION = "Filter ID" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 NAME = "POLARIZATION" START_BYTE = 3 BYTES = 4 DATA_TYPE = "ASCII_REAL" FORMAT = "F4.1" UNIT = "PERCENT" DESCRIPTION = "Percentage polarization" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 3 NAME = "POL_ERROR" START_BYTE = 8 BYTES = 3 DATA_TYPE = "ASCII_REAL" FORMAT = "F3.1" UNIT = "PERCENT" DESCRIPTION = "Percentage error in the preceeding polarization" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 4 NAME = "THETA" START_BYTE = 14 BYTES = 3 DATA_TYPE = "ASCII_INTEGER" FORMAT = "I3" UNIT = "DEGREE" DESCRIPTION = "Polarization angle" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 5 NAME = "THETA_ERROR" START_BYTE = 18 BYTES = 3 DATA_TYPE = "ASCII_INTEGER" FORMAT = "I3" UNIT = "PERCENT" DESCRIPTION = "Percentage error in the polarization angle" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 6 NAME = "APERTURE" START_BYTE = 22 BYTES = 4 DATA_TYPE = "ASCII_REAL" FORMAT = "F4.1" UNIT = "ARCSECOND" DESCRIPTION = "Aperture diameter" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 7 NAME = "MID_TIME" START_BYTE = 27 BYTES = 5 DATA_TYPE = "CHARACTER" FORMAT = "A5" DESCRIPTION = "UT (hh:mm) of the midpoint of the observation" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 8 NAME = "EXPOSURE_TIME" START_BYTE = 33 BYTES = 4 DATA_TYPE = "ASCII_INTEGER" FORMAT = "I4" UNIT = "SECOND" DESCRIPTION = "Exposure time" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 9 NAME = "AIRMASS" START_BYTE = 38 BYTES = 4 DATA_TYPE = "ASCII_REAL" FORMAT = "F4.2" UNIT = "AIRMASS" MISSING_CONSTANT = -.99 DESCRIPTION = "Average airmass of the observation" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 10 NAME = "BEAM_OFFSET" START_BYTE = 43 BYTES = 4 DATA_TYPE = "ASCII_REAL" FORMAT = "F4.1" UNIT = "ARCSECOND" MISSING_CONSTANT = -9.9 DESCRIPTION = "Beam offset from the origin identified by number in column 12 (ORIGIN)" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 11 NAME = "BEAM_PA" START_BYTE = 48 BYTES = 5 DATA_TYPE = "ASCII_REAL" FORMAT = "F5.1" UNIT = "DEGREE" MISSING_CONSTANT = -99.9 DESCRIPTION = "Position angle of the beam offset" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 12 NAME = "ORIGIN" START_BYTE = 54 BYTES = 1 DATA_TYPE = "CHARACTER" FORMAT = "A1" MISSING_CONSTANT = "-" DESCRIPTION = "For observations made at an offset, the coordinates of the origin were included in comments in the original FITS header and identified by a number. These FITS header comments have been preserved in the DESCRIPTION text of this label. In no case was there ever more than one origin, so this column always contains either '1' or '-'. " END_OBJECT = COLUMN END_OBJECT = TABLE END