(Q87028931)
Statements
0.7328
2±3 milliarcsecond per year
1±3 milliarcsecond per year
16.64±0.124
16.118±0.192
15.41±0.185
17.98
17.83
17.706±0.006
1 reference
17.727±0.006
1 reference
17.842±0.008
1 reference
18.054±0.014
1 reference
17.676±0.02
1 reference
178,000,000 centimetre per square second