Burnham: Measures of Proper Motion Stars 
4821. 
2 1287. 
(8.0... 
10.3) 
R. A. 8” 
44 ’" 53 s 
Decl. + 
12° 35 ' 
A and C (12.6) 
1906.906 
106? 1 
i 5 "io 
.928 
105.3 
14.96 
.966 
105.1 
15-35 
1906.93 
105.5 
15-14 
The small star is not in Struve. The only other measure 
disagrees in angle: 
1900.28 H7?o 15" 15 2n Doo 
4844. Ho 357. (6.5...13.0) 
R. A. 8 h 47 m 48 s Decl. + 26° 40' 
1906.906 
6?2 
3 7 ''i 6 
7.022 
5.8 
37.00 
7.102 
5-2 
37-38 
1907.01 5.7 37.18 
Change uncertain. Ristenpart (4245) gives the proper mo¬ 
tion of the large star : 
o"433 in 
I72?9 
4863. 
2 1293. 
(7-8.. 
.9.0) 
R. A. 8" 
50 "' 35 s 
Decl. + 54 0 26' 
1908.898 
92! 
2 
18 "85 
.900 
92. 
1 
18.54 
.920 
92. 
1 
18.49 
1908.91 92.1 18.63 
No other measures since 1866. 
4866. 1 Ursae Maj. Hu 628. 
R. A. 8" 50™ 59 s Decl.+ 48° 31' 
B and C (9.5.. 
• 9 . 8 ) 
1909.206 
iS 7°7 
o"68 
.227 
186.9 
0.58 
1909.22 
187.3 
0.63 
Motion in angle, and certainly a binary system. 
The proper motion of the large star is: 
Auwers o"503 in 240^6 
Newcomb 0.500 in 240.1 
Boss 0.502 in 240.3 
4883. 66 Cancri. 2 1298. (6.1. ..8. 2) 
R. A. 8" 54™ 3 s Decl.+ 32° 43' 
A 
and C (n.i) 
1908.882 
318=95 
187"15 
.898 
319-03 
187.65 
•974 
318.93 
187.20 
1908.92 
318.97 
187.33 
The first measures are discordant in distance: 
1879.31 319^27 i88'.'o8 in B 1 
1879.83 318.73 187.07 in Bl. 
The proper motion of 66 Cancri is very uncertain: 
Auwers o'.'o39 in 324?6 
Boss 0.007 in 225.3 
4891. 67 Cancri. Sh 101. (6.3...9.0) 
R. A. 8'* 54 m 39 s Decl. + 28° 23' 
1908.843 325-33 ioi "93 
.862 324-93 101.65 
.882 325.13 101.96 
1908.86 325-13 101.85 
No third star available. The smaller star appears to be 
moving with the other. The proper motion is : 
Auwers o"ii9 in 2i8?o 
Boss 0.105 in 213.4 
4923. <r Ursae Maj. 21306. (5.0...8.2) 
R. A. 8" 59 m , 
50 3 Decl. + 67° 37' 
A 
and C (9.4) 
1908.766 
148?10 
205"13 
.769 
147-83 
205.04 
.788 
148.23 
204.76 
1908.77 
148.05 
204.98 
The following is corrected for error 
of i8o° in the angle: 
1879.55 147-97 
2o6"3i 
2n Bl. 
The measures of the small star should be continued for the 
proper motion of o 2 Ursae. 
This from the catalogue is: 
Auwers 
o'.'o 64 in 
i 79 ?o 
Boss 
0.070 in 
183.9 
Newcomb 
0.066 in 
181.1 
4950. 2 
1304. (8.2. 
...9.0) 
R. A. 9 h 3 ,n i6 s Decl. + 81=53' 
1908.785 
3 i 9°4 
24” 1 3 
10.128 
319 -1 
24.20 
1909.46 
319.2 
24.16 
No other measures since 
1867. 
4972. 2 
1321. (7.4. 
. .7.4) 
R. A. 9" 6 m 23 s Decl.+ 53=13' 
A and C (10.0) 
1909.109 
I 96?43 
I55"02 
.112 
196.30 
154-34 
. 128 
196.73 
154-42 
1909.12 
196.49 
154-59 
This is a system of the 61 Cygni 
class. The only other 
measures are: 
1879+7 208?27 
i88"86 
2n Bl. 
