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on this file since 18280 was 731, checked in by tbretz, 24 years ago |
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1 | #include "slalib.h"
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2 | #include "slamac.h"
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3 | void slaAoppat ( double date, double aoprms[14] )
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4 | /*
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5 | ** - - - - - - - - - -
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6 | ** s l a A o p p a t
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7 | ** - - - - - - - - - -
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8 | **
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9 | ** Recompute the sidereal time in the apparent to observed place
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10 | ** star-independent parameter block.
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11 | **
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12 | ** Given:
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13 | ** date double UTC date/time (Modified Julian Date, JD-2400000.5)
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14 | ** (see slaAoppa source for comments on leap seconds)
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15 | ** aoprms double[14] star-independent apparent-to-observed parameters
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16 | **
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17 | ** (0-11) not required
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18 | ** (12) longitude + eqn of equinoxes + sidereal dut
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19 | ** (13) not required
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20 | **
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21 | ** Returned:
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22 | ** aoprms double[14] star-independent apparent-to-observed parameters:
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23 | **
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24 | ** (0-12) not changed
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25 | ** (13) local apparent sidereal time (radians)
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26 | **
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27 | ** For more information, see slaAoppa.
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28 | **
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29 | ** Called: slaGmst
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30 | **
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31 | ** Last revision: 31 October 1993
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32 | **
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33 | ** Copyright P.T.Wallace. All rights reserved.
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34 | */
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35 | {
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36 | aoprms[13] = slaGmst ( date ) + aoprms[12];
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37 | }
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