Mr. Pond on the parallax of the fixed stars. 
1 67 
Method of computing the Equation or Index Error to he applied to 
the observed North Polar distances. 
1813. July and August. Position o°. 
No. of 
! Observations. 
North Polar 
distances by 
circle. 
North Polar 
distances by 
Catalogue. 
Deduced In- 
dex Error. 
Index Error 
multipled-j- 
No. of Ob 
servations. 
Polaris, SP 
9 
358 
18 
38,98 
38.35 
+ 0.63 
n , 
+ 5.67 
(5 
Urs. Min. 
- 
27 
*5 
4 
49 , 3 1 
48.93 
0.38 
13.26 
(3 
Cephei 
- 
14 
20 
!5 
3 L 5 ° 
3 0> 54 
0.96 
13-44 
X 
Urs. Maj. 
- 
12 
27 
*4 
31.83 
31 - 5 ° 
0-33 
3-96 
X 
Cephei 
- 
13 
28 
12 
12,86 
12.55 
0.31 
3-93 
7 
Urs. Maj. 
- 
8 
35 
J 5 
55. 6 9 
55-25 
0.44 
3 - 5 2 
7 
Draconis 
- 
39 
38 
29 
3.96 
3-55 
0.41 
15.99 
>7 
Urs. Maj. 
- 
*9 
39 
44 
58>3 1 
57.81 
0.50 
9.50 
X 
Persei 
6 
40 
49 
5 3 » 1 0 
52.37 
0-73 
4-38 
Capella 
- 
27 
44 
12 
20,64 
20.46 
0.18 
4.86 
a 
Cygni 
- 
23 
45 
22 
57.30 
56.98 
0 32 
7-36 
a 
Lyras 
- 
39 
5 1 
23 
0,70 
0.48 
0.22 
8.58 
Castor 
- 
6 
57 
42 
47.12 
46.74 
038 
2.28 
Pollux 
- 
1 1 
61 
3 i 
56,63 
56.42 
0.21 
2.21 
0 
Tauri 
17 
61 
33 
44,46 
43 - 6 ; 
0.79 
! 3-43 
Cor. Bor. 
- 
25 
62 
38 
56,04 
55-45 
0.59 
14-75 
a 
Arietis, 
- 
5 
67 
25 
36,64 
36.51 
0.13 
0.65 
Arcturus 
- 
22 
69 
5 ° 
19,23 
19.00 
0.23 
5.06 
Aldebaran 
- 
12 
73 
52 
35 , 6 i 
35.26 
o *35 
4.20 
a , 
Herculis 
- 
20 
75 
23 
* 4,45 
13.92 
o -53 
10.60 
Reguius 
- 
3 
77 
7 
22,65 
22.62 
0.03 
0.09 
a 
Ophiuchi 
- 
33 
77 
17 
3 9>°7 
38.88 
0.19 
6.27 
x 
Aquilae 
- 
29 
81 
36 
58,79 
58.79 
0.00 
0.00 
a 
Orionis 
?4 
82 
38 
15,64 
15.65 
0.00 
0.00 
a 
Serpentis 
- 
26 
82 
58 
39,81 
39- 2 3 
0.58 
15.08 
No. of Observations 
Rejecting 7 Draconis "t 
a Lyra i 
a , Aquilse 1 
* Cygni J 
459 
329 
0,36 
0.41 
166.07 
134-14 
. 
