Burnham: Measures of Proper Motion Stars 
These measures give for the proper motion of p Aquilae: 
o"5i2 in 176?i 
From some of the star catalogues we have : 
Auwers 
o "474 
in 
I77°8 
Bossert 
0.470 
in 
178.2 
Newcomb 
0.482 
in 
175-7 
Boss 
0.484 
in 
175-9 
The relative motion in AB is very slow. 
9756 . 2260 2. (8.5...9.2) 
R. A. I9 h 49™ 34* Decl. — 13 0 40' 
1908.537 
148? 3 
I2"27 
• 559 
148.7 
12.30 
• 573 
148.4 
12.38 
1908.56 
148.5 
12.32 
Struve’s place of 2 2602 
in Pos. Med. belongs to another star 
2 m 40 8 /, SD (13 0 ) 5537, while 2 2602 is No. 5522. The place in 
Part I of the General Catalogue should be as given here. 
It is a coincidence worth mentioning that the star given in 
Pos. Med. is a pair very much like the other except in magni- 
tudes: 
A and B (9.0.. .13.0) 
1908.537 
I 56?5 
I 4"72 
-573 
158.0 
14-77 
• 575 
158.5 
14.87 
1908.56 
157-7 
14.79 
No other measures. 
A and SD (13 0 ) 5536 
1908.520 
I92?23 
131764 
• 537 
192.40 
131-89 
• 559 
192.47 
131.42 
1908.54 
192.37 
131-65 
It is evident that neither of these 
stars has any proper 
motion: 
1864.77 i92°05 
131"26 
in A. 
9765 . op Cygni. 2 2605. 
( 5 - 0 ... 7 . 5 ) 
R. A. 19” 
52 m 32 s Decl. + 52 0 7' 
A and C (13.8) 
1908.425 
55°6 
i8 "6 5 
•444 
54-0 
19.11 
.460 
54-3 
18.76 
1908.44 
54-6 
18.84 
This faint companion has not been previously seen. 
A and D (10.4) 
1908.422 
6i?38 
i65"24 
• 425 
61.30 
165.21 
•444 
61.30 
165.64 
1908.43 
6i.33 
165.36 
Of the distant star we have: 
1880.14 6i?5o 163720 2n B 1 
The two positions give for the apparent motion of A: 
o''078 in 229?o 
Further measures are required to improve the value pre¬ 
viously given. 
Auwers o"o59 in 233? 8 
Boss 0.051 in 232.6 
9775 . 02 391 rej. (7.5...10.2) 
R. A. I9 h 52 m 58 s Decl. + 43 0 56' 
1909.342 
.381 
5i°6 
52.0 
17788 
17.69 
1909.36 
51.8 
17.78 
No change since 1866. 
In Part I of the General Catalogue 
for DM (43 0 ) 3425 read 3422; and R. A. should be 22 s less. 
9856 . Ho 
118. (9.1. 
. .11.0) 
R. A. I9 h 58 ,n 
7 s Decl. + 33 0 20' 
1909.458 
29° 5 
2"7I 
.476 
29-5 
2.51 
1909.47 
29-5 
2.61 
h 2062 is about 15' distant sp; faint and small, but bisection 
fairly certain. 
h 2062 and star 12 
.5m 
1909.458 
52 ?I 
36763 
• 476 
49-4 
36.20 
1909.47 
50.7 
36.41 
h 2062 and star 10.3 m 
1909.458 
240? 5 
4 o ''56 
• 476 
238.5 
40.60 
1909.47 
239-5 
40.58 
In his observations of nebulae, Engelhardt has compared 
these stars by differences of R. A. and Decl., and therefore the 
apparent change is not to be taken as real. 
1887.78 54?2 39?3 in Eng (II) 
1887.78 240.5 42.6 in Eng (II) 
9863 . 22622. (8.0...8.7) 
R. A. 19” s8 m 42 s Decl. + 16 0 40' 
A 
and C (10.5) 
1908.520 
308? 1 
I77i8 
•537 
308.8 
16.95 
• 559 
308.9 
17-35 
1908.54 
308.6 
17.16 
No certain change. 
251 
