Burnham: Measures of Proper Motion Stars 
9157 . 02368. (7.3.. -8.5) 
R. A. i9 h io m 37 s Decl. + 15 0 57' 
AB and C 
1907.542 
ioo?7 
i6?88 
.578 
99.6 
16.78 
.638 
101.7 
16.77 
1907.59 
100.7 
16.81 
No apparent change since 1878. 
9166 . 1 Vulpeculae. H 2862. (4.8.. .11.8) 
R. A. 19" 
n m 3® Decl. + 
21 ° II' 
1911.583 
i2?78 
38 " 9 S 
.602 
12.78 
39-25 
.644 
12.57 
39-15 
1911.61 
12.71 
39-13 
The measures (1901-1911) imply a motion of about o"oi5, 
and about the same in R. A. as in Decl., but further measures 
are needed for a definite value of the motion. 
Auwers o"oi2 in 265 ?4 
Boss 0.004 in 270.0 
9171 . 
02 370. 
C7.5...8.2) 
R. A. I9 h 
n m 19’ 
Decl. + 9 0 8' 
1907.542 
14 -1 
I 9"75 
.581 
14. 1 
19.62 
• 597 
14.9 
19-45 
1907.57 
14.4 
19.61 
No change since 1846. A small star, A a 78?! : Ba I28?o. 
9184 . 
H 2863. (6.2. 
..11.7) 
R. A. 19” 
I2 m 10 s Decl. 
— 15 ° 44 ' 
I 909-534 
I 7°74 
48 " 6 3 
.627 
17-74 
48.65 
.666 
17-03 
48.42 
1909.61 
17-50 
48.57 
A continuation of the measures, commenced in 1900, will 
give a more exact value of the proper motion of A. 
Some of the values from meridian positions are: 
Stumpe o"293 in 204?7 
Porter 0.274 in 205.0 
Boss 0.285 in 201.1 
Paris 0.317 in 197.0 
9185 . Cygni 9. 22496. (7.0. ..10.8) 
"o\ 
(—1 
< 
04 
I2 ra io 3 Decl. + 
49 ° 52 ' 
A and C (10.7) 
1909.266 
242?10 
i 8 5 "34 
•342 
241-95 
185.60 
.381 
242.20 
185.81 
I 909-33 
242.08 
185.58 
The prior measures are discordant in distance. 
1881.31 242?4- i86"04 In B 1 
1881.78 242.36 185.15 in Bl. 
For the proper motion of the principal star (Groombridge 
2802) we have: 
Groombridge o"oi7 in 249?9 
9186 . 0 Lyrae. Sh 292. (4.5...8.8) 
R. A. 19" i2 m 12 s Decl. + 37 0 55' 
A and B 
1908.463 
-479 
.518 
70? 92 
71.10 
70.83 
99" 99 
99-48 
99-83 
1908.49 
70-95 
99-77 
A and C (11.5) 
1908.463 
i 27?90 
ioo"7i 
•479 
127.97 
100.99 
.518 
127.35 
100.45 
1908.49 
127.74 
100.72 
The only other measures of C are: 
1879.76 I27?02 99"iS in Bl 
1880.25 127.62 99.91 in Bl. 
The proper motion of 6 Lyrae is small and uncertain: 
Auwers o''oi2 in 299?4 
Boss 0.011 in 254.3 
Newcomb 0.019 in 289.5 
The measures of C should be continued. 
9189 . 23 Aquilae. 22492. (5• 5- • -9-5) 
R. A. I9 h I2 m 26 s Decl. + o° 52' 
A and C (13.7) 
1911 
.411 
6i?8 
I2" 3 6 
.468 
60.9 
12.56 
• 471 
60.5 
11.99 
1911 
•45 
61.1 
12.30 
The only other measures of the faint star are my own in 
1905. The proper motion of 23 Aquilae is uncertain. 
Auwers o"o33 in 3i2?5 
Boss 0.015 in 11.3 
242 
