The values of elapsed ship time and range attained apply to continuous acceleration, and do not allow for deceleration at the target.
Ship Time (Years)
Range (Light Years)
100
0.9
0.4
101
3.0
9
102
5.2
99
103
7.5
104
9.7
105
12
106
14
1010
24
Ian Nicolson, "The Road To The Stars", Westbridge Books, 1978, p. 109.