RA,DA | D | apparent ![]() |
---|---|---|
AMPRMS | D(21) | star-independent mean-to-apparent parameters: |
(1) | time interval for proper motion (Julian years) | |
(2-4) | barycentric position of the Earth (AU) | |
(5-7) | heliocentric direction of the Earth (unit vector) | |
(8) | (gravitational radius of
Sun)![]() |
|
(9-11) | v: barycentric Earth velocity in units of c | |
(12) | ![]() |
|
(13-21) | precession/nutation ![]() |
RM,DM | D | mean ![]() |
---|
SLALIB --- Positional Astronomy Library