PDS_VERSION_ID = PDS3 RECORD_TYPE = "FIXED_LENGTH" RECORD_BYTES = 94 FILE_RECORDS = 62 ^TABLE = "49p_arend_rigaux.tab" DATA_SET_ID = "EAR-C-COMPIL-5-LIGHTCURVES-V1.0" PRODUCT_NAME = "49P/AREND-RIGAUX 1 (1951 C2) OPTICAL" PRODUCT_ID = "ARENDRIGAUX_49P_AREND_RIGAUX_TAB" INSTRUMENT_HOST_ID = "PUBLIT" INSTRUMENT_HOST_NAME = "PUBLISHED LITERATURE" INSTRUMENT_ID = "COMPIL" INSTRUMENT_NAME = "COMPILATION" TARGET_NAME = "49P/AREND-RIGAUX 1 (1951 C2)" TARGET_TYPE = "COMET" START_TIME = 1985-01-26T12:15:07 STOP_TIME = 1985-02-15T11:05:06 PRODUCT_CREATION_TIME = 2008-11-10 /* File uploaded to OLAF */ REFERENCE_KEY_ID = {"MILLISETAL1988", "SAMARASINHAETAL2004"} OBJECT = TABLE ROWS = 62 ROW_BYTES = 94 INTERCHANGE_FORMAT = "ASCII" COLUMNS = 10 DESCRIPTION = "This data contains OPTICAL secular lightcurve magnitude information on comet 49P/AREND-RIGAUX (1951 C2). The data are taken at 4845 Angstrom continuum filter with the full width at half-maximum 65 Angstrom. This data was found in An Investigation of the Nucleus and Coma of Comet P/Arend-Rigaux: Millis R. L., A'Hearn M. F., and Campins H. (1988) An investigation of the nucleus and coma of Comet P/Arend-Rigaux. Astrophys. J., 324, 1194-1209. Referred by SAMARASINHAETAL2004 Samarasinha, N.H., B.E.A. Mueller, M.J.S. Belton and L. Jorda, Rotation of Cometary Nuclei, in 'Comets II' (Festou, Keller and Weaver, eds), 281-299, 2004. " OBJECT = COLUMN COLUMN_NUMBER = 1 NAME = "JULIAN_DATE" DESCRIPTION = "Julian Date : the integer number of days that have elapsed since the initial epoch defined as noon Universal Time (UT) Monday, January 1, 4713 BC in the proleptic Julian calendar." DATA_TYPE = "ASCII_REAL" START_BYTE = 1 BYTES = 12 FORMAT = "F12.4" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 NAME = "UT_DATE_TIME" DESCRIPTION = "UT Date and Time YYYY-MM-DDThh:mm:ss Observation Time" DATA_TYPE = "CHARACTER" START_BYTE = 14 BYTES = 22 FORMAT = "A22" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 3 NAME = "OBSERVED_MAGNITUDE" DESCRIPTION = "Observed Secular Lightcurve Magnitude information taken for the comet 49P Arend-Rigaux from tables in MILLISETAL1988" DATA_TYPE = "ASCII_REAL" START_BYTE = 37 BYTES = 5 FORMAT = "F5.3" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 4 NAME = "UNDILUTED_MAGNITUDE" DESCRIPTION = "Undiluted Secular Magnitude (the coma contribution is removed) A zero-point shift has been applied to the February data to make the median 'undiluted' magnitude of the comet in February equal to that in January. Lightcurve Magnitude information taken for the comet 49P Arend-Rigaux from tables in MILLISETAL1988" DATA_TYPE = "ASCII_REAL" START_BYTE = 43 BYTES = 5 FORMAT = "F5.3" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 5 NAME = "FILTER" DESCRIPTION = "The data are taken at 4845 Angstrom continuum filter with the full width at half-maximum 65 Angstrom." UNIT = "ANGSTROM" DATA_TYPE = "ASCII_INTEGER" START_BYTE = 49 BYTES = 4 FORMAT = "I4" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 6 NAME = "PHASE" DESCRIPTION = "Rotational Phase at the assumption that the period of rotation is 13.47 hr Observations of comet Arend-Rigaux at lambda 4845 Angstroms were made through a variety of different sized photometer entrance apertures on each of the four nights that lightcurves were obtained." DATA_TYPE = "ASCII_REAL" START_BYTE = 54 BYTES = 5 FORMAT = "F5.3" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 7 NAME = "HELIOCENTRIC_DISTANCE_AU" DESCRIPTION = "Heliocentric Distance (AU) : The distance of an object from the sun, given in astronomical units." UNIT = "AU" DATA_TYPE = "ASCII_REAL" START_BYTE = 60 BYTES = 5 FORMAT = "F5.3" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 8 NAME = "GEOCENTRIC_DISTANCE_AU" DESCRIPTION = "Geocentric Distance (AU): The distance of an object from Earth, given in astronomical units." UNIT = "AU" DATA_TYPE = "ASCII_REAL" START_BYTE = 66 BYTES = 5 FORMAT = "F5.3" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 9 NAME = "PHASE_ANGLE" DESCRIPTION = "Phase angle in astronomical observations is the angle between the light incident onto an observed object and the light reflected from the object. In the context of the astronomical observations this used to be the angle Sun-object-Earth." UNIT = "DEGREE" DATA_TYPE = "ASCII_REAL" START_BYTE = 72 BYTES = 6 FORMAT = "F6.3" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 10 NAME = "REFERENCE" DESCRIPTION = "Reference Code in which the Lightcurve Magnitude information has been found. Referred by SAMARASINHAETAL2004" DATA_TYPE = "CHARACTER" START_BYTE = 79 BYTES = 14 FORMAT = "A14" END_OBJECT = COLUMN END_OBJECT = TABLE END