Burnham: Measures of Proper Motion Stars 
81 Tauri ( 5 - 9 -•- 9 - 0 ) 
R. A. 4 h 23 m 4S 9 Decl. + 15 0 26' 
1909.936 338?59 161"84 
10.049 338.78 161.83 
10.109 338.70 161.56 
1910.03 338.69 161.74 
B is DM (15 0 ) 638. No other measures. The proper motion 
of 81 Tauri is: 
Auwers 
o'To2 
in 
IOO ?2 
Boss 
0. no 
in 
105.8 
Porter 
0.095 
in 
103.4 
83 Tauri (5.6...11.4) 
R. A. 4" 23 m 
52* Decl. + 
13° 28' 
1910.933 
105?10 
hi -93 
10.971 
105.17 
112.00 
11.104 
105.00 
111.65 
1910.97 
105.09 
in .86 
No prior measures. The proper motion of 83 Tauri is given 
from meridian positions: 
Auwers o"o93 in I02?5 
Boss 0.110 in 100.5 
48 Eridani (4.O...13.2) 
R. A. 4" 30 m 19 s Decl. —3 0 35' 
1909.760 
169^82 
5o"62 
.763 
169-35 
51-25 
.780 
169.64 
50.86 
1909.77 
169.60 
50.91 
No other measures. The 
therefore uncertain. 
proper 
motion is very small, and 
Auwers 
0"020 
in 275?9 
Boss 
0.002 
in 180.0 
Newcomb 
0.008 
in 270.7 
89 Tauri (6.1. 
..12.0) 
R. A. 4 h 3 i m i 7 3 Decl.+ I 5 ° 47 ' 
1910.684 49^83 
I43"oi 
.780 49.70 
142.67 
•835 49.85 
142.58 
1910.77 49.79 
142.75 
No other measures. The proper motion of 89 Tauri is given 
Auwers o"o79 
in 98?o 
Boss 0.094 
in 108.0 
90 Tauri (4.5...13.5) 
R. A. 4" 
3i m 27 s Decl. + 
12° 16' 
A and B 
1910.684 
321 ?4 
43 "92 
.835 
322.8 
44-19 
■ 893 
322.1 
44-30 
1910.80 
322.1 
44.14 
A and C (10.6) 
1910.684 
311-87 
II5-I7 
.720 
3 H -93 
H 4-73 
• 777 
311-75 
114.98 
1910.73 
311.85 
114.96 
No other measures. The proper motion of 90 Tauri is given: 
Auwers 07082 in 94?2 
Boss 0.104 in 95.5 
Piazzi IV. 146 (5. 6 . .. 9 .S) 
R. A. 4 h 32 m 36 s Decl. + 7 0 38' 
A and B 
1909.666 
.722 
• 744 
2 4 8?8 
248.9 
248.6 
7 o" 9 i 
70.98 
70.75 
1909.71 
248.8 
70.88 
A and C (9.0) 
1909.666 
3 i 6?40 
299^24 
.722 
316.17 
299-49 
• 744 
316.10 
298.58 
• 763 
316.22 
298.84 
1909.72 
316.22 
299.04 
B and C are respectively DM (7 0 ) 680 and 679. No other 
measures. From the meridian observations in A. G. Leipsic 
we have the following: 
AB 1884.1 247! 1 69^2 
AC 1884.1 316.6 299.4 
The proper motion of the principal star is: 
Boss o"o82 in 90?7 
Piazzi IV. 169 C 5 - 5 - • -11- 4 ) 
R. A. 4 h 37 ra 47 s Decl. + io° 55' 
A and B 
1910.777 
.780 
.835 
97-38 
96.48 
97.08 
79 -36 
79-40 
78.98 
1910.40 
96.98 
79-25 
B and C (12.6) 
1910.780 
358 ?o 
I 2"75 
.835 
360.6 
12.08 
1910.81 
359-3 
12.41 
The proper motion of the principal star is: 
Boss o"c» 98 in 98?2 
