Burnham: Measures of Proper Motion Stars 
No other measures. This star has a large proper motion: 
Stumpe 
1"952 in 
I 57°4 
Porter 
1.947 in 
158.7 
Laland 
e 15394 (7.9... 
10.1) 
R. A. 7 h , 
47 ™ 55 s Deck + 
1 9 ° 34 ' 
A and B 
1907.788 
255 °03 
86"82 
.807 
255-31 
86.38 
•845 
255-40 
86.36 
1907.81 
255-25 
86.52 
A and C (10.4) 
1907.788 
85-30 
122*45 
.807 
85.48 
122.26 
.845 
85.58 
122.48 
1907.81 
85-45 
122.40 
A and a (n.6) 
1907.807 
36^63 
36"75 
• 845 
36.60 
36.84 
1907.82 
36.61 
36.80 
The other measures are: 
AB 1893.24 250?97 88"o6 2n Eng 
AC 1893.24 89.02 124.01 2n Eng 
The proper motion of the principal star from the measures 
of both companions is : 
0*497 in 170^4 
It is given from transits: 
Stumpe 0*416 in 164^9 
Porter 0.446 in 167.2 
There are no other measures of the small star near A. 
Oxford (Z 26°) 23412 (io.l) 
R. A. 8 h o m 55!78 Decl. + 25° 49' 24*2 
From the Oxford Astrographic Catalogue; place for 1900 
from plate taken 1908.08. This is the 9.2 m star, DM (25 0 ) 
1848. The Oxford proper motion is : 
o"203 in I90?3 
A and B (9.2.. .12.2) 
1910.835 
.856 
• 931 
io ?45 
io .75 
11.51 
II2"82 
112.81 
112.96 
1910.87 
10.90 
112.86 
A and DM (25 0 ) 1849 (9.5) 
1910.835 
I30?o8 
254'-79 
.856 
129.67 
254-95 
-931 
129.98 
255-65 
1910.87 
129.91 
255-13 
The last comparison star is not in A. G. The DM places give, 
131 0 : 248". While this is only roughly approximate, it is worthy 
of note that the proper motion of A would change the angle, 
and not the distance sensibly. 
Cancri (7.O...IO.0) 
R. A. 8 h 2 m 58 s Decl.+ 26° 12' 
1910.835 50 ?93 87"5o 
.856 50.87 87.73 
• 93 i 50.85 87.54 
1910.87 50.88 87.59 
No other measures. The proper motion of the bright star 
Auwers 0*070 in 23i?4 
Boss 0.089 in 244.8 
ty 2 Cancri (6.1... 12 
■ 5 ) 
R. A. 8 h 
3 m 13 s Decl. + 25 0 52' 
A and B 
1910.835 
293-51 
73-76 
.856 
293-30 
73-92 
• 931 
293-55 
73-43 
1910.87 
293-45 
73-70 
A and C (11.0) 
1910.835 
2 II? 9 I 
ii7"66 
.856 
210.93 
117.48 
• 931 
211.76 
116.88 
1910.87 
2 H -53 
H 7-34 
No other measures. The proper motion is: 
Auwers 0*364 in I95?4 
Boss 0.363 in 192.9 
Piazzi VII. 321 (7.O...II.0) 
R. A. 8 h 4 m 7 s Decl. + 32 0 50' 
A and B 
1907.807 
320°77 
53 
• 27 
8.022 
321.90 
53 
.40 
8.063 
321.25 
53 
.48 
A and C (10.4) 
1907.807 
75°70 
225 
"21 
8.022 
75-70 
225 
•37 
8.063 
75-83 
225 
• 5 i 
We have the following measures 
: 
AB 
1857-26 
280?10 
58*04 
in 
02 
1881.28 
298.72 
52.83 
in 
02 
1907.96 
321.31 
53-38 
3 n 
13 
AC 
1850.72 
83-95 193-04 
2n 
02 
1857.26 
82.73 197.00 
in 
02 
1881.28 
78.97 210.46 
in 
02 
1907.96 
75-74 225.36 
3 n 
(3 
These positions give 
the motion of A: 
AB R. 
A. — o"469 
Deck- 
-o"623 
AC 
0.461 
0.617 
— 0.465 
- 0.620 
Hence the corrected proper motion is: 
o "775 in 2 i 6?9 
3i 
