Burnham: Measures of Proper Motion Stars 
C and a (13• 5 ) 
1907.140 
i8i!8 
55 ”94 
.197 
180.5 
55 -16 
.258 
182.4 
55-74 
I909.112 
181.28 
55-53 
.164 
181.31 
55-49 
1910. l86 
181.37 
55-72 
•244 
182.10 
55-59 
.280 
181.50 
55-59 
The following are the results of my measures of this star: 
1906.21 
i8i?8 
55 " 9 i 
3 n 
1907.20 
181.6 
55 . 6 i 
3 n 
1909.14 
181.3 
55-51 
2n 
1910.24 
181.6 
55-63 
3 n 
1908.20 
181.57 
55-66 
nn 
evident from the 
measures 
that C is fixed in space. 
6880. 
<p Virginis. 2 1846. 
(5.2...9.7) 
R. 
A. 14 
h 22 m 2 s Deck 
— i° 4 i' 
A and C (12.8) 
1911 
. 164 
209?13 
95-45 
.200 
208.98 
94.89 
.219 
208.28 
95-07 
.222 
208.97 
95.03 
1911 
.20 
208.84 
95 -H 
No other measures. The proper motion of 4 > Virginis is 
given: 
Auwers 
o"i 53 
in 
269^3 
Boss 
0.134 
in 
265.7 
Newcomb 
0-135 
in 
268.4 
6881. 2 1847. (8.5...9.8) 
R. A. I4 h 22 m 
14 s Decl. 
— 9 ° 40 ' 
1907.258 
261 ?8 
25-95 
7-348 
261.8 
26.13 
8.192 
262.8 
25.88 
1907.60 
262.1 
25-99 
6896. p 117 . ( 8 . 3 ... 9 . 2 ) 
R. A. I4 h 24“ 43 s Decl. — 15° 4' 
A and C (12.4) 
I 9 H -395 334-73 io7"84 
.411 335-o6 107.07 
.414 334-50 106.90 
1911-41 334-76 107.27 
For proper motion of AB. 
Porter 0^424 in 153^2 
6898. H 2725. (8.7. ..10.6) 
R. A. 14” 24 m 52 s Decl. + 55 0 3' 
1907.140 138^7 23?25 
.217 136.2 23.59 
•258 138 .4 _23.43 
1907.20 137-8 23.42 
Aitken has recently found that A is a close pair (= A 1620). 
6910. p Bootis. H 2728. (3.8...12.5) 
R. A. I4 h 26 m 42 s Decl. + 30° 54' 
1912.258 336?28 48"97 
.274 336.03 48.86 
• 296 336.05 48.99 
1912.27 336.12 48.94 
The proper motion of the bright star given in the General 
Catalogue from the measures 1879 to 1903 is not sensibly 
changed. 
Measures 
o"i6i 
in 
3io?8 
Bossert 
0.151 
in 
316.9 
Auwers 
0.166 
in 
318.8 
Boss 
0.149 
in 
317.6 
6915. Y Bootis. 3 616. (2.8... 12.5) 
R. A. 14" 27 m 15* Decl. + 38° 50' 
A and SD (9 0 ) 3950 
1907.258 A Decl. = I9 o"8o 
From the measures of AB to 1903 the proper motion of A is : 
o"i09 in no?7 
1911.164 
Io8?20 
3 i "72 
.222 
108.08 
3 I-I 9 
.241 
108.20 
31-37 
• 334 
108.41 
31-93 
■ 373 
108.38 
31-79 
1911.27 
108.25 
31.60 
6895. 2 1854 re I- (7-0...10.5) 
R. A. I4 h 24 m 41 s Decl.+ 32°2o' 
1912.312 256?6o 25"77 
-353 256.60 26.05 
1912.33 256.60 25.91 
Probably without change. 
The measures of this very faint star should give the proper 
motion of y Bootis with a high degree of accuracy. From the 
five 3 positions on 14 n (1878-1911) we have: 
o"2i8 in 326?7 
Some of the meridian results are: 
Auwers 
o"i 98 
in 
320 ? 5 
Boss 
0.182 
in 
322.3 
Newcomb 
0 . t8o 
in 
323-6 
196 
