T = T source = 1 second for example | Blueshift | Redshift | ||
shift z | −0.5 | −0.1 | 1 | 10 |
Distance of B source from A: | ||||
β source (SR) | −0.60 | −0.10 | 0.60 | 0.98 |
d: distance of emission of B from O | c T | c T | −0.6 c T | −0.98 c T |
Length traveled by photon B: | ||||
T observed/T source = (1 + z) | 0.5 | 0.9 | 2 | 11 |
L: Length traveled by photon B | 0.5 c T | 0.9 c T | c T | 10 c T |
Difference δ | −0.5 c T | −0.1 c T | 0.4 c T | 9.02 c T |