Burnham: Measures of Proper Motion Stars 
A 
1907.848 
8.025 
8.044 
and C (10.5) 
340?92 l03"48 
340.77 103.23 
340.87 103.49 
1907.97 
340.85 
103.40 
A and D (10.5) 
1907.848 
318^63 
io8"42 
8.025 
318.77 
108.33 
8.044 
319.10 
108.93 
1907.97 
318.83 
108.56 
B and b (13.5) 
1907.848 
349 ° 8 
I 5!'68 
2738. 2704 . ( 7 . 2 ... 9 . 5 ) 
R. A. 5 h 20 m 48 s Decl. + 69° 34' 
1912.638 I5?3 20" 29 
.675 14.8 20.38 
.678 15.0 20.25 
1912.66 15.0 20.31 
No proper motion found for the principal star in the several 
catalogues examined. This is given from the measures of the 
small star with a high degree of accuracy. The four sets of 
measures by 2 , A and |3 on 13 n (1831-1912) give for this 
motion: 
o"o 84 in 348?2 
The proper motion of A, derived from the several measures 
of B, C, and D, is as follows: 
AB 
R. A. —o'.'osi 
Decl. — 0" 194 
AC 
0.033 
0.207 
AD 
0.057 
0.204 
— 0.047 
— 0.202 
Therefore the corrected movement of the principal star is: 
o"207 in 193?1 
From the star catalogues: 
Stumpe 
0" 192 
in 
204? 2 
Porter 
0.171 
in 
180.0 
Kustner 
0.182 
in 
187.9 
2729. 115 Tauri. 02 107. (6.0. ..10.8) 
R. A. 5 h 20 m 10 s Decl. + 17° Si' 
2745. 2711. (7.5...9.2) 
R. A. 5 h 2i m 38 s Decl.+ 54 0 35' 
1908.613 
.636 
.671 
B and C 
245 ° 5 o 
245.43 
245-40 
190 "73 
190.66 
190.50 
1908.64 
245-44 
190.63 
C and 
D (10.0...13. 
0 
1908.636 
305 °6 
I 5 " 4 S 
.671 
309-9 
15-37 
.689 
307.6 
15.38 
•750 
306.8 
15-19 
1908.69 
307-5 
15-35 
The large common proper motion of A and B is well known. 
Of the other stars the only prior measure is: 
1908.769 
9.109 
A and B 
306? 1 
307.1 
9"92 
10.09 
1908.94 
306.6 
10.00 
A 
and C (12.5) 
1908.769 
339 ° 4 
9"55 
9.109 
342.1 
9-73 
1908.94 
340.7 
9.64 
The proper motion of A is doubtful: 
Boss o"oi6 in I48?5 
Auwers 0.016 in 259.2 
2732. II 699. (10.8.. .11.2) 
R. A. 5” 20"'21 s Decl. + 35 0 16' 
1911.720 2i5?4 9"8 i 
.736 215.7 9-72 
1911.73 215.5 9.76 
No other measures. II 699 is in the field with, and closely 
following, h 354. 
1881.46 243^00 I97'.'o8 2n Bl. 
The two positions give for the annual motion of AB: 
0^386 in I92?3 
Further measures are needed before this can be substituted 
for the meridian value. 
Some of the prior values are: 
Porter 
o "434 in 
200? 9 
Kustner 
0.425 in 
198.3 
The small star C is an 
exceedingly difficult and close pair. 
On only 
one night could 
it be seen well enough to properly 
measure. 
C and 
c (10.5...10 
7 ) 
1908.750 
I 73°6 
°.'59 
2751 . 118 Tauri. 2 716. 
(5-8...6.6) 
R. A. 5 h 2i m 
53 s Decl.+ 25 0 3' 
A 
and C (12.0) 
1912.675 
98?25 
141T90 
.695 
99-15 
141.47 
.717 
99.06 
140.51 
1912.69 
98.82 
141.29 
134 
