(Q74735998)
Statements
1.1746
−2±3 milliarcsecond per year
0±3 milliarcsecond per year
18.662±0.009
1 reference
18.55±0.009
1 reference
19.053±0.025
1 reference
19.11
18.81
18.562±0.011
1 reference
18.54±0.033
1 reference