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SLA_ECLEQ - Ecliptic to Equatorial   

ACTION:
Transformation from ecliptic longitude and latitude to J2000.0 $[\,\alpha,\delta\,]$.

CALL:
CALL sla_ECLEQ (DL, DB, DATE, DR, DD)

GIVEN:

DL,DB D ecliptic longitude and latitude (mean of date, IAU 1980 theory, radians)
DATE D TDB (formerly ET) as Modified Julian Date (JD-2400000.5)

RETURNED:

DR,DD D J2000.0 mean $[\,\alpha,\delta\,]$ (radians)


next up previous
Next: SLA_ECMAT - Form Matrix
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SLALIB --- Positional Astronomy Library
Starlink User Note 67
P. T. Wallace
12 October 1999
E-mail:ptw@star.rl.ac.uk