void eraAtciqn	(	double	rc,
		double	dc,
		double	pr,
		double	pd,
		double	px,
		double	rv,
		eraASTROM *	astrom,
		int	n,
		eraLDBODY	b[],
		double *	ri,
		double *	di
	)

Definition at line 3 of file atciqn.c.

References eraASTROM::bm1, eraASTROM::bpn, eraASTROM::eb, eraASTROM::em, eraAb(), eraAnp(), eraC2s(), eraLdn(), eraPmpx(), eraRxp(), eraASTROM::pmt, and eraASTROM::v.

Referenced by t_atciqn().

{
   double pco[3], pnat[3], ppr[3], pi[3], w;

/* Proper motion and parallax, giving BCRS coordinate direction. */
   eraPmpx(rc, dc, pr, pd, px, rv, astrom->pmt, astrom->eb, pco);

/* Light deflection, giving BCRS natural direction. */
   eraLdn(n, b, astrom->eb, pco, pnat);

/* Aberration, giving GCRS proper direction. */
   eraAb(pnat, astrom->v, astrom->em, astrom->bm1, ppr);

/* Bias-precession-nutation, giving CIRS proper direction. */
   eraRxp(astrom->bpn, ppr, pi);

/* CIRS RA,Dec. */
   eraC2s(pi, &w, di);
   *ri = eraAnp(w);

/* Finished. */

}

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