(Q3781284)
Statements
UBV M 12873
CGO 150
YZC 11 2398
WEB 6870
181 kilometre per second
186 kilometre per second
33.0 kilometre per second
36±4 kilometre per second
33.7 kilometre per second
O7.5Vz
O7.5V
3 references
O8
5 references
6.702±0.024
6.814±0.057