(Q77703201)
Statements
0.8557
−2±3 milliarcsecond per year
2±3 milliarcsecond per year
18.838±0.009
1 reference
18.92±0.01
19.172±0.023
1 reference
19.065±0.015
1 reference
19.34
19.22
18.93±0.04
10,073 kelvin
186,000,000 centimetre per square second
316,000,000 centimetre per square second