the effects of parallax, &c. of certain fixed stars. 351 
TABLE III. 
No. of Ob- 
servations in 
summer and 
winter. 
Zenith Distance Jan. 1, 1819 , const, of 
Aberration for each star = 20'', 25 x and 
p= semi-parallax. 
Values ofp. 
* Cor. Borealis 
50 S 
28 W 
O 1 II 
26 , j 23.2 1 -!- 0,29*+0,62/> 7 
3 l 24,72 — 0,242: — 0,68 p y 
n 
p— 1,16 — 0,412: 
a. Serpentis - 
45 3 
36 w 
4 6 23 \ 2 ^4 + '° 9 *+ ’44 P ] 
* 3 l 3 ’ 8 3 — ,23*— ,4 2 P S 
/>=i, 35 — °’ 37 * 
l Aquilae 
57 3 
27 W 
co ,7 I 26,61+ ,242:4- ,36/. 7 
5 37 628,554- ,362: — ,25 p j 
/> — 3,204-0,20X 
(3 Cygni 
34 s 
26 W 
25 48 1 ! ’ 3 8 + * 3 °* + > 6 9 M 
3 ^ l 2,314- ,69*— ,31 p j 
/' =0 ’93 + °’ 39 - r 
y Aquilae 
39 s 
46 W 
,, 12) z 3 > 9 2 + ’ 3 °* + ’43 P l 
43 1 25 , 674 - > 3 8 -*— ’3 IP f 
p — 2, 1940,102c 
S Aquilae 
36 S 
38 w 
a? 2 c 5 2 5’ 8 5 + >282:4- , 37 > 1 
5 L 27,504- ,352-- ,33/» i 
/<“ 2,364-0,102: 
y Cygni 
33 s 
26 W 
12 azI I 5 > 4 1 + , 55 - 2 + ’64 P l 
3 42 | 16,404- ,582: — ,60 /> j 
/>=o, 804-0, 02* 
e Delph. 
28 S 
17 W 
j 29,844- ,41x4- ,33/> 1 
4 4 1 j 31,124- ,362: — ,40/) j 
/>= 1,75—0,072: 
OC • 
II s 
9 W 
28 6 $ 2 3 ’ 4 8 + ’ 4 '*+ ’ 4 2 /> l 
i l 24,864- ,422- — ,42 p j 
1,644-0,012: 
X Cygni - - 
14 S 
10 w 
I7 ,, f 21,534- , 49 * + »6 3 p ) 
' 33 l 23,014- ,652: — ,49/) j 
/>=i, 3240,141 
34 3 
18 W 
,, .. I 42,62-f > 5 ix + > 6 7 P I 
34 1 43,244- , 73 *- ’ 44 P i 
/>oro,56+o,2ox 
y Equulei 
12 s 
9 W 
a 2 c8 1 4°’ 3 5 + ’ 4 i*+ ’ 2 9 P 1 
43 58 {42,344- ,342c — , 3 8/> 5 
/» — 2,97— o,iox 
CC 
10 s 
10 w 
,0 ,, ) 5 *’ 82 + , 39 *+ ’’ 9 / 1 I 
4 3 i 53’39+ ,z6*— ,37/. j 
/>— 2,80 — 0,232- 
£ Pegasi 
26 s 
21 W 
44 20 | IO ’ 8o + + 2 * + ’ 2 iM 
1 n, 99 + ’ ! 9 * — ’ 45 P I 
/>= 1,70—0,332: 
a. Aquarii 
36 s 
30 w 
C 4 2aI 52,55+ ’ 37 *+ ’!>/> 1 
id- 53,25+ ,oix— ,39/) f 
55 /Pegasi - 
33 3 
45 W 
- 7 f 9 . 64 + ’ 4 i*+ ,15 P 1 
d-d- 9.944- ,16.*— ,39/) ( 
The above results will appear very extraordinary; and although they are explained 
by parallax, yet many circumstances of these stars, both as to magnitude and position, 
will much weaken that explanation, and, on the whole, the results may be thought to 
have encreased the difficulties of the subject. It is evident, that, for most of these 
stars, the terms depending on x can have little influence, considering the smallness of 
the coefficients, and the probable small values of ,r. 
