PDS_VERSION_ID = PDS3 RECORD_TYPE = "FIXED_LENGTH" RECORD_BYTES = 88 FILE_RECORDS = 62 ^TABLE = "46p_wirtanen.tab" DATA_SET_ID = "EAR-C-COMPIL-5-LIGHTCURVES-V1.0" PRODUCT_NAME = "46P/WIRTANEN 1 (1948 A1)" PRODUCT_ID = "46P_WIRTANEN_TAB" INSTRUMENT_HOST_ID = "PUBLIT" INSTRUMENT_HOST_NAME = "PUBLISHED LITERATURE" INSTRUMENT_ID = "COMPIL" INSTRUMENT_NAME = "COMPILATION" TARGET_NAME = "46P/WIRTANEN 1 (1948 A1)" TARGET_TYPE = "COMET" START_TIME = 1996-06-13T11:40:50 STOP_TIME = 1996-08-18T11:33:23 PRODUCT_CREATION_TIME = 2008-11-10 /* File uploaded to OLAF */ REFERENCE_KEY_ID = {"MEECHETAL1997", "SAMARASINHAETAL2004"} OBJECT = TABLE ROWS = 62 ROW_BYTES = 88 INTERCHANGE_FORMAT = "ASCII" COLUMNS = 10 DESCRIPTION = "This data contains rotational lightcurve magnitude information on the comet 46P/WIRTANEN 1 (1948 A1) found in Rotation of comet 46P/Wirtanen: Meech K. J., J. M. Bauer, and O. R. Hainaut, Rotation of comet 46P/Wirtanen. Astron. Astrophys., 326, 1268-1276, 1997. 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 UT Time yyyy-mm-ddThh:mm:ss Observation time" DATA_TYPE = "CHARACTER" START_BYTE = 14 BYTES = 19 FORMAT = "A19" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 3 NAME = "MAGNITUDE" DESCRIPTION = "Rotational Lightcurve Magnitude information taken for the comet 46P Wirtanen from tables in MEECHETAL1997" DATA_TYPE = "ASCII_REAL" START_BYTE = 34 BYTES = 6 FORMAT = "F6.3" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 4 NAME = "ERROR" DESCRIPTION = "Reported error for the corresponding Lightcurve Magnitude information in Column 3" DATA_TYPE = "ASCII_REAL" START_BYTE = 41 BYTES = 5 FORMAT = "F5.3" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 5 NAME = "FILTER" DESCRIPTION = "The images were obtained using the Tektronix 2048 x 2048 CCD camera using the Kron-Cousins photometric system B: lambda = 4380 Angstrom, Width 1077 Angstrom; V: lambda = 5450 Angstrom, Width 836 Angstrom; R: lambda = 6460 Angstrom, Width 1245 Angstrom; I: lambda = 8260 Angstrom, Width 1845 Angstrom; All measurements were made through a 2':005 radius circular aperture, unless through a 2':000 aperture. Specified in Column 6" DATA_TYPE = "CHARACTER" START_BYTE = 47 BYTES = 1 FORMAT = "A1" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 6 NAME = "APERTURE" DESCRIPTION = "All measurements were made through a 2':005 radius circular aperture, unless through a 2':000 aperture." UNIT = "ARCSEC" DATA_TYPE = "ASCII_REAL" START_BYTE = 49 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 = 55 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 = 61 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 = 67 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 = 74 BYTES = 13 FORMAT = "A13" END_OBJECT = COLUMN END_OBJECT = TABLE END