PDS_VERSION_ID = PDS3 /* File Characteristics */ RECORD_TYPE = FIXED_LENGTH RECORD_BYTES = 80 FILE_RECORDS = 1199 /* Data Object Pointers */ ^TABLE = "lc.tab" /* Identification Keywords */ DATA_SET_ID = "EAR-A-5-DDR-DERIVED-LIGHTCURVE-V4.0" PRODUCT_NAME = "Lightcurve Derived Parameters" PRODUCT_ID = "LC-LC-200006" INSTRUMENT_HOST_NAME = "N/A" INSTRUMENT_NAME = "N/A" TARGET_NAME = ASTEROID START_TIME = 1913 STOP_TIME = 2000-02 PRODUCT_CREATION_TIME = 2000-06-01 /* Peer Review Date */ /* Data Object Descriptions */ OBJECT = TABLE ROWS = 1199 ROW_BYTES = 80 INTERCHANGE_FORMAT = ASCII COLUMNS = 17 DESCRIPTION = "This is a compilation of published lightcurve results up through February 2000. This compilation is maintained by Alan Harris, JPL. " OBJECT = COLUMN COLUMN_NUMBER = 1 NAME = "ASTEROID ID" DESCRIPTION = "Asteroid number. If this column is blank, the line is a continuation of the previous entry, including only additional reference codes." DATA_TYPE = ASCII_INTEGER START_BYTE = 1 BYTES = 5 FORMAT = I5 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 2 NAME = "ASTEROID PROVISIONAL DESIGNATION" DESCRIPTION = "Asteroid principal provisional designation. For asteroids with no provisional designation listed, the asteroid name may be included here instead for convenience." DATA_TYPE = CHARACTER START_BYTE = 7 BYTES = 12 FORMAT = A12 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 3 NAME = "SIDEREAL PERIOD FLAG" DESCRIPTION = "Flag referring to the sidereal period, taking the following values: > - given value is a lower limit. < - given value is an upper limit. L - the source gives the period as 'long', with no value given. ? - some question exists about the period. See source for details." DATA_TYPE = CHARACTER START_BYTE = 19 BYTES = 1 FORMAT = A1 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 4 NAME = "SIDEREAL PERIOD" DESCRIPTION = "Sidereal rotation period of the asteroid about its axis, in hours." UNIT = HOUR DATA_TYPE = ASCII_REAL START_BYTE = 21 BYTES = 9 FORMAT = "F9.4" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 5 NAME = "LIGHTCURVE AMPLITUDE LOWER LIMIT" DESCRIPTION = "In the cases where a range of amplitude is given, this is the lower limit of the range. For individual observations for which a single value of the amplitude is given, this field is blank. The two cases can be distingushed by the value of the next column, LIGHTCURVE AMPLITUDE FLAG." UNIT = "MAGNITUDE" DATA_TYPE = ASCII_REAL START_BYTE = 31 BYTES = 4 FORMAT = "F4.2" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 6 NAME = "LIGHTCURVE AMPLITUDE FLAG" DESCRIPTION = "In cases where a range of amplitudes is given, the value of this flag is '-'. In cases where a single value is given for the amplitude, this flag may be blank, or it may contain a '<' or '>' indicating the given value is an upper or lower limit." DATA_TYPE = CHARACTER START_BYTE = 35 BYTES = 1 FORMAT = A1 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 7 NAME = "LIGHTCURVE AMPLITUDE UPPER LIMIT" DESCRIPTION = "In cases where a range of amplitudes is given, this field is the upper limit of the range. In cases where a single value is given for the amplitude, this field is that value. These cases can be distinguished by the value of LIGHTCURVE AMPLITUDE FLAG." DATA_TYPE = ASCII_REAL START_BYTE = 36 BYTES = 4 FORMAT = "F4.2" END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 8 NAME = "RELIABILITY CODE" DESCRIPTION = "This code describes the reliability of the lightcurve results, and takes the following values: (blank)- Incomplete or inconclusive result. 0 - Result given in the original publication, later shown to be wrong. 1 - Very tentative result, may be completely wrong. 2 - Reasonably secure result, based on over half coverage of the lightcurve. 3 - Secure result, full lightcurve coverage, no ambiguity of period. 4 - Multiple apparition coverage, pole position reported." DATA_TYPE = CHARACTER START_BYTE = 42 BYTES = 1 FORMAT = A1 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 9 NAME = NOTE DESCRIPTION = "The following codes may appear in this note, with these meanings: 3 Number of extrema per rotation cycle (e.g., 1, 3). Unless otherwise noted, two per cycle are assumed. A Ambiguous period. The 'most likely' period is listed, with other possibilities listed in a footnote ordered by asteroid number, below. B Suspected binary object, based on a second periodicity in the lightcurve. D Rotation period 'determined' from published data, but not given by author(s) of original data. F Footnote, below, ordered by asteroid number, containing additional information. N No lightcurve published. P Photographic photometry. T 'Tumbling', that is, non-principal axis rotational motion. V Visual photometry. Notes on individual asteroids are as follows. 'A' indicates an ambiguous period, and the number(s) following are alternate possible periods. 'B' indicates a suspected binary, and the number(s) following are the period and amplitude of secondary periodicities. Ast. : code: alternate periods: 26 A 13.13 53 A 26.56 161 A 10.9 249 A 42.62 259 A 12 372 A 8.67 393 A 19.35 419 A 16.804 439 A 38.4 489 A 7.6 683 A 5.3, 8.6 690 A 12.621 721 A 12.0 804 A 14.851 872 A 6.78 1220 B 7.90, 0.15 1508 A 10.21, 11.36 1593 A 16.45 2067 A 8.86 2253 A 5.5 2449 A 3.862 3552 A 6.65 3671 B 27.72, 0.08 5407 B? 6.6598, 0.07 8034 A 3.6377 91VH B 32.69, 0.18 94AW1 B 11.198, 0.27 96FG3 B 16.135, 0.14 98PG B? 7.0035, 0.1 " DATA_TYPE = CHARACTER START_BYTE = 44 BYTES = 2 FORMAT = A2 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 10 NAME = "REFERENCE CODE ONE" DESCRIPTION = "The reference codes indicate numbered references listed in the file 'lcref.tab' to the published papers reporting lightcurve results on each asteroid. Space is provided for eight references on each line, and for asteroids with more than eight references, the reference codes are continued on the following line(s). The references are given in chronological order. That is, the last few citations are the most recent, and should therefore be the most useful for evaluating the current state of knowledge of a given asteroid." DATA_TYPE = ASCII_INTEGER START_BYTE = 48 BYTES = 3 FORMAT = I3 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 11 NAME = "REFERENCE CODE TWO" DESCRIPTION = "The reference codes indicate numbered references listed in the file 'lcref.tab' to the published papers reporting lightcurve results on each asteroid." DATA_TYPE = ASCII_INTEGER START_BYTE = 52 BYTES = 3 FORMAT = I3 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 12 NAME = "REFERENCE CODE THREE" DESCRIPTION = "The reference codes indicate numbered references listed in the file 'lcref.tab' to the published papers reporting lightcurve results on each asteroid." DATA_TYPE = ASCII_INTEGER START_BYTE = 56 BYTES = 3 FORMAT = I3 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 13 NAME = "REFERENCE CODE FOUR" DESCRIPTION = "The reference codes indicate numbered references listed in the file 'lcref.tab' to the published papers reporting lightcurve results on each asteroid." DATA_TYPE = ASCII_INTEGER START_BYTE = 60 BYTES = 3 FORMAT = I3 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 14 NAME = "REFERENCE CODE FIVE" DESCRIPTION = "The reference codes indicate numbered references listed in the file 'lcref.tab' to the published papers reporting lightcurve results on each asteroid." DATA_TYPE = ASCII_INTEGER START_BYTE = 64 BYTES = 3 FORMAT = I3 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 15 NAME = "REFERENCE CODE SIX" DESCRIPTION = "The reference codes indicate numbered references listed in the file 'lcref.tab' to the published papers reporting lightcurve results on each asteroid." DATA_TYPE = ASCII_INTEGER START_BYTE = 68 BYTES = 3 FORMAT = I3 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 16 NAME = "REFERENCE CODE SEVEN" DESCRIPTION = "The reference codes indicate numbered references listed in the file 'lcref.tab' to the published papers reporting lightcurve results on each asteroid." DATA_TYPE = ASCII_INTEGER START_BYTE = 72 BYTES = 3 FORMAT = I3 END_OBJECT = COLUMN OBJECT = COLUMN COLUMN_NUMBER = 17 NAME = "REFERENCE CODE EIGHT" DESCRIPTION = "The reference codes indicate numbered references listed in the file 'lcref.tab' to the published papers reporting lightcurve results on each asteroid." DATA_TYPE = ASCII_INTEGER START_BYTE = 76 BYTES = 3 FORMAT = I3 END_OBJECT = COLUMN END_OBJECT = TABLE END