Burnham: Measures of Proper Motion Stars 
From the three measures of AD (1890-1912) on ion, the 
motion of the large star is: 
o"o56 in 39?2 
It is very improbable that D has any sensible motion. This 
will be confirmed later by measures of AC. 
7925 . 
2 2146. (8.0.. 
.10.0) 
R. A. i7 h 
io™ 27 s Decl. + 54 0 16' 
A and DM (54°) 1869 (8.9) 
1909-151 
5i°i3 
89'.'oo 
.167 
51.24 
88.73 
.170 
50.97 
88.78 
1909.16 
5i.il 
88.84 
Third star measured for proper motion of AB if any. For 
this, further observations with the micrometer are necessary. 
A. G. Harv. o"i35 in 333^8 
From meridian positions we have: 
1842 5i?2 9i"8 O. Arg. N. 
1875 50.3 90.0 A. G. Harv. 
7926 . U Ophiuchi. H 854. 
R. A. i7 h io m 27 s Decl. + i° 21' 
1912.427 
357°7 
20". 2g 
• 430 
357-0 
20.64 
•465 
357-5 
20.78 
1912.44 
357-4 
20.57 
Variable 6.0 to 6.7 m in about 20 h . The change, if any in the 
position of the faint star, is small. 
7940 . 02326. (7.2...11.5) 
R. A. I7 h 12™ 34 s Decl. + 9 0 39' 
I9II.414 2I3?2 l6"02 
.430 212.7 16.09 
.433 212.8 16.16 
1911.43 212.9 16.09 
Comparing this position with those of 02 and Hu, we have 
for the proper motion of A: 
o"o46 in io2?2 
7942 . 
22147. (7.1.. 
. .11.0) 
R. A. i7 h 
12™ 53 s Decl. 
+ 29 0 2' 
1908.288 
93° 1 
6”.22 
• 33i 
91.8 
6.16 
• 370 
93-7 
6.25 
1908.33 
92.9 
6.21 
Unchanged. 
7948 . 
S 
686. (7.9. 
..8.1) 
R. A.17" 
I3 m 
17 s Decl. 
+ 28° 52 
- 1911.430 
4?20 
52 "87 
•433 
4-25 
52.61 
•449 
4.40 
52.73 
1911.44 4-28 52.74 
One of these stars has a small proper motion. The four 
positions by S, Cin and |3 (1825-1911) give for the apparent 
motion of A: 
o"o26 in io?9 
A third star should be connected with one of the components. 
7962 . 2 2155. (6.2.. .9.5) 
R. A. 17” 14™ 37 s Decl. + 6o° 50' 
1911.375 114? 1 g'!gi 
• 392 H3-2 9-91 
•395 113.3 _< t 86 
1911.39 113.5 9.89 
The proper motion of A from meridian observations is un- 
! certain: 
Kustner <>"031 in 315? 1 
Greenwich 0.035 in 4.8 
The measures of the 9.5m star imply a much smaller motion 
of about o''006 in 260°. 
7968 . 22150. (9.3...10.2) 
R. A. i7 h 
15™ 10 s Decl. + 
i° 41' 
A and B 
1912.427 
20 O ?7 
9" 10 
•430 
200.3 
9.21 
• 465 
200.7 
931 
1912.44 
200.6 
9.21 
One of these stars, presumably the larger, has a small proper 
motion. 
A and DM (i°) 3422 
1912.427 
57°34 
i6 3 "58 
• 430 
57-6o 
163.41 
.465 
57-41 
163.89 
1912.44 
57-45 
163.63 
The only other measure of this is given in Part II of the 
General Catalogue. 
7972 . 70 Her culls. S 687. (5.5...9.0) 
R. A.17* 
15™ 58 s Decl. + 
A and B 
24° 37' 
1911.430 
56? 18 
22o"98 
•433 
56.15 
220.58 
•449 
56.35 
220.68 
1911.44 
56.23 
220.75 
219 
