(Q81508116)
Statements
0.7117
3±3 milliarcsecond per year
0±3 milliarcsecond per year
19.09
16.9±0.187
16.297±0.255
15.596±0.213
19.21
19.503±0.03
1 reference
19.042±0.014
1 reference
18.849±0.038
1 reference
18.778±0.008
1 reference
18.777±0.01
1 reference
17,800,000 centimetre per square second