Burnham: Measures of Proper Motion Stars 
7775 . 
Schj 13. (8.0... 
12.6) 
R. A. 16 1 
1 45 m 8’ Decl. + 
4 ° 59 ' 
A and B 
1911.392 
56 °.27 
122". 46 
•395 
55-93 
122.13 
.411 
56.00 
121.65 
1911.40 
56.07 
122.08 
No other measures of the distant star. The other has some 
motion: 
Bossert 0U43 in I55?3 
Porter o.no in 155.9 
A and C (8.0) 
1907.331 
3i7°8o 
II7"l2 
•351 
3 I 7 . 4 2 
117.65 
• 463 
317.90 
117.26 
1907-38 
3 I 7 . 7 I 
117-34 
From six sets of measures of AB (1846-1907) the apparent 
motion of B is: 
o"o 83 in i62?5 
From six sets of measures of AC (1874-1907) the apparent 
motion of C is : 
o"ii9 in 298?8 
At least two of these stars have a considerable proper motion. 
7779 . 5 2 Herculis. P 627. (5.0...10.5) 
R. A. i6 h 45 m 43 s Decl. + 46° 12' 
A and D (12.0) 
1911.142 
.164 
.184 
230?20 
230.17 
230.63 
66'.'02 
66.35 
66.10 
1911.16 
230.33 
66.16 
A and E (12.0) 
1911.142 
268?70 
145-29 
.164 
268.57 
145-91 
.184 
268.65 
145-81 
1911.16 
268.64 
I 45.67 
The measures of the two small stars give for the proper 
motion of 52 Herculis: 
o''094 in I44?4 
Some of the values from meridian positions are: 
Auwers 
o"o 73 
in 
2I0?7 
Boss 
0.076 
in 
163.4 
Groombridge 
0.059 
in 
147.3 
Aitkin finds the 10.5 m companion to 52 Herculis a close 
pair, 311 0 : o"25. 
7780 . 2 2108 rej. (8.4. ..10.3) 
R. A. i6 n 46 m 4 9 Decl.+ 55° 21' 
t 907 - 33 i 35 2 ° 1 26"76 
7.351 352.1 26.67 
8.192 351.9 26.59 
1907.62 352.0 26.67 
No early measures. 
7800 . 02 317. (7.2...11.8) 
R. A. i6 h 49 m 19 s Decl. + 44 0 36' 
A and B 
1907.331 
2i9?8 
18" 13 
• 35 i 
219.1 
18.20 
.463 
220.1 
18.25 
1907.38 
219.7 
18.19 
7830 . 2 32, App. I. (7.0...7.1) 
R. A. i6 h 54 m 34 s Decl. + 47 0 32' 
1909.112 262?67 H3"39 
.148 262.57 113-59 
.151 262.80 H3-57 
1909.14 262.68 113.52 
From the measures by 2 , A and | 3 , one of these large stars 
should have a proper motion of 
o"o24 in i35?o (± 180°) 
I do not find any motion given in the star catalogues. 
A and a (11.2) 
1909.112 5i?6 2"94 
.167 51.8 2.92 
1909-14 5^7 2T93 
The small companion to A was detected by Aitken. 
7845 . 34 Ophiuchi. 2 33, App. I. (5.8...6.3) 
R. A. i6 h s8 m 7 s Deck + 13 0 47' 
B and a (10.o) 
1909.148 267?50 151"52 
.151 267.63 I5I.75 
.167 267.77 151-59 
1909.16 
267.63 
a and b (10.5) 
151.62 
1909.167 
209 °57 
98^64 
.227 
209.28 
98.38 
•304 
209.27 
98.50 
1909.23 
209.37 
98.51 
The only other measures are: 
1887.52 266?55 151 "44 2n Eng 
1894.69 267.03 152.11 2n Eng. 
From the three positions the proper motion of 34 Ophiuchi is: 
Measures 
0" 124 
in 
i 78?7 
Porter 
0.134 
in 
199.4 
Boss 
0.136 
in 
173-8 
Auwers 
0.134 
in 
185.6 
The measures of the small stars should be continued. 
216 
