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.help pdq2h Jun99 "Slalib Package"
.nf
SUBROUTINE slPDQH (P, D, Q, H1, J1, H2, J2)
- - - - - -
P D Q H
- - - - - -
Hour Angle corresponding to a given parallactic angle
(double precision)
Given:
P d latitude
D d declination
Q d parallactic angle
Returned:
H1 d hour angle: first solution if any
J1 i flag: 0 = solution 1 is valid
H2 d hour angle: second solution if any
J2 i flag: 0 = solution 2 is valid
Called: slDA1P
P.T.Wallace Starlink 6 October 1994
Copyright (C) 1995 Rutherford Appleton Laboratory
Copyright (C) 1995 Association of Universities for Research in Astronomy Inc.
.fi
.endhelp
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