DATA

Proper-Motion:

Ciel:

Proper motion in right ascension: 91 [mas/y]

Proper motion in declination: 10 [mas/y]

=>

Distance to target:

Ciel: -59.000 years

New DATA from:

Simbad.u-strasbg.fr:

Proper motions mas/yr: 92.112 10.221

=>

91^2 + 10^2 = sqr (8381) = 91,547801721286568531262078356186

and ...

92,112^2 + 10,221^2 = sqr (8589,089385) = 92,677340191656342118083268930227

and ...

91,547801721286568531262078356186 / 92,677340191656342118083268930227

=

0,98781213975245844482015798860879

=>

-59.000 * 0,98781213975245844482015798860879

=

-58281 years