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Главная страница   >   Данные   >   Геомагнитные вариации   >   Индексы геомагнитной активности   >   Kp, ap и Ap индексы

Описание формата данных для Kp, ap и Ap индексов

Column  Format  Description
======  ======  ===========
 1- 2     i2    yy, last two digits of year
 3- 4     i2    mm, month (1-12)
 5- 6     i2    dd, day of month (1-31)

 7-10     i4    Bartels solar rotation number - a sequence of 27-day
                  intervals counted continuously from February 8, 1832
11-12     i2    Number of day within the Bartels 27-day cycle

13-28    8i2    3-hourly Kp indices (0-3, 3-6, 6-9, 9-12, 12-15,
                                     15-18, 18-21, 21-24 UT)
29-31     i3    Daily Kp sum, expressed to the nearest third of a unit
                (supplied only for tradition, use Ap scientific purposes!)

32-55    8i3    3-hourly ap indices (0-3, 3-6, 6-9, 9-12, 12-15,
                                     15-18, 18-21, 21-24 UT)
56-58     i3    Ap equivalent daily amplitude - the arithmetic mean
                  of the day's eight ap values

59-61     f3.1  Cp or Planetary Daily Character Figure - a qualitative estimate
                  of overall level of magnetic activity for the day determined
                  from the sum of the eight ap amplitudes.  Cp ranges, in steps
                  of one-tenth, from 0 (quiet) to 2.5 (highly disturbed)

62-62     i1    C9 - a conversion of the 0 to 2.5 range of the Cp index to one
                  digit between 0 and 9

63-65     i3    International Sunspot Number. Records contain
                  * Zurich number through December 31, 1980
                  * International Brussels number thereafter
                NOT ANY MORE REPORTED FROM 2015 ONWARDS

66-70     f5.1  Ottawa 10.7 cm Solar Radio Flux adjusted to 1 AU - measured
                  at 1700 UT daily and expressed in units of 10^-22 W/m^2/Hz.
                  Observations began on February 14, 1947. From that date
                  through December 31, 1973, the fluxes given here do not
                  reflect the revisions Ottawa made in 1966.
                NOT ANY MORE REPORTED FROM 2007 ONWARDS

71-71     i1    Flux Qualifier
                  0: indicates flux required no adjustment;
                  1: indicates flux required adjustment for burst
                     in progress at time of measurement;
                  2: indicates a flux approximated by either
                     interpolation or extrapolation;
                  3: indicates no observation.
                NOT ANY MORE REPORTED FROM 2007 ONWARDS

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