(Q78537614)
Statements
2.3642
1±3 milliarcsecond per year
−3±3 milliarcsecond per year
18.81
18.99
19.253±0.023
1 reference
18.659±0.012
1 reference
18.605±0.026
1 reference
18.709±0.008
1 reference
18.683±0.009
1 reference
105,000,000 centimetre per square second