Astronomical Applications Department, U.S. Naval Observatory pm AAS poster Page 13
-40
-20
0
20
WDS-HIP Proper Motion (mas/yr)
0
10
20
30
40
N
u
mb
er o
f
S
t
ars
WDS
-
HIP Relative Proper Motions (B
-
A)
Right Ascension
Declination
RMS (RA) = 5.45 mas/yr
RMS (Dec) = 5.28 mas/yr
