Astronomical Applications Department, U.S. Naval Observatory pm AAS poster Page 12
-40
-20
0
20
TYC-HIP Proper Motion (mas/yr)
0
5
10
15
20
25
30
N
u
mb
er o
f
S
t
ar
s
Right Ascension
Declination
TYC
-
HIP Relative Proper Motions (B
-
A)
RMS (RA) = 6.02 mas/yr
RMS (Dec) = 6.13 mas/yr
