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Automaaval/dist/zacatraz/_internal/astropy_iers_data/data/ReadMe.finals2000A
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Table: finals2000A
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from http://maia.usno.navy.mil/
finals2000A.all -- all EOP values since 02 January 1973 with dX & dY using
IAU2000A Nutation/Precession Theory (with 1 year of predic tions)
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File Summary:
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FileName Lrecl Records Explanations
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ReadMe 80 . This file, adapted from readme.finals2000A
finals2000A.all 187 15182 all EOP values since 02 January 1973
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Byte-by-byte Description of file: *
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Bytes Format Units Label Explanations
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1- 2 I2 --- year To get true calendar year, add 1900 for
MJD<=51543 or add 2000 for MJD>=51544)
3- 4 I2 --- month
5- 6 I2 --- day of month
8- 15 F8.2 d MJD fractional Modified Julian Date (MJD UTC)
17 A1 --- PolPMFlag_A IERS (I) or Prediction (P) flag for
Bull. A polar motion values
19- 27 F9.6 arcsec PM_x_A Bull. A PM-x
28- 36 F9.6 arcsec e_PM_x_A error in PM-x (sec. of arc)
38- 46 F9.6 arcsec PM_y_A Bull. A PM-y (sec. of arc)
47- 55 F9.6 arcsec e_PM_y_A error in PM-y (sec. of arc)
58 A1 --- UT1Flag_A IERS (I) or Prediction (P) flag for
Bull. A UT1-UTC values
59- 68 F10.7 s UT1_UTC_A Bull. A UT1-UTC (sec. of time)
69- 78 F10.7 s e_UT1_UTC_A error in UT1-UTC (sec. of time)
80- 86 F7.4 ms LOD_A Bull. A LOD (msec. of time)
-- NOT ALWAYS FILLED
87- 93 F7.4 ms e_LOD_A error in LOD (msec. of time)
-- NOT ALWAYS FILLED
96 A1 --- NutFlag_A IERS (I) or Prediction (P) flag for
Bull. A nutation values
98- 106 F9.3 marcsec dX_2000A_A Bull. A dX wrt IAU2000A Nutation
Free Core Nutation NOT Removed
107- 115 F9.3 marcsec e_dX_2000A_A error in dX (msec. of arc)
117- 125 F9.3 marcsec dY_2000A_A Bull. A dY wrt IAU2000A Nutation
Free Core Nutation NOT Removed
126- 134 F9.3 marcsec e_dY_2000A_A error in dY (msec. of arc)
135- 144 F10.6 arcsec PM_X_B Bull. B PM-x (sec. of arc)
145- 154 F10.6 arcsec PM_Y_B Bull. B PM-y (sec. of arc)
155- 165 F11.7 s UT1_UTC_B Bull. B UT1-UTC (sec. of time)
166- 175 F10.3 marcsec dX_2000A_B Bull. B dX wrt IAU2000A Nutation
176- 185 F10.3 marcsec dY_2000A_B Bull. B dY wrt IAU2000A Nutation
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Notes: The same format is used for finals2000A.data, finals2000A.daily, and finals2000A.all