À 
51 
Hence the expressions (189)— (194) become i 
h + b* 706 | 
— TOR RT zz €— Am ( 4 
Q m, b4 8 1 9 ( 197) 1 
: i3 1 
Qu 734 78 (198) | 
: H 
E i 
I 1 
Q = 1€ | 
xx 3 b? ( 99) A 
1 
5b5--8h-L4^p p 6305 
Q peste vou. 200 
idi 4 b* 324 (200) |] 
h^ h? | 
Q, - ~ 8 201 Î 
Uh pa 4 d? ( € ) | 
| 1 
Qu 37 (202) ) 
Under these somewhat simplified conditions the weight numbers | 
kd 
(195) and (196) become d 
20 n3 + 54 n° 61 n + 3 | 
y 9()* i 
Orv : (203) | 
1 
| 
10 n8 + 6 n° + 50 n + 18 1 
Ov v = 20% B 
CYnYn 18 04) 4 
The standard errors are then determined from j 
À 
M x S Yar x 205 1 
X, ?0 | @x d y ( ) | 
ip =% V0, y 206 | 
m; n 0 | UYAY, ( ( ) 1 
8, is in this case the standard error of the y-parallax corrections or là 
measurements. i 
(205) and (206) are graphically demonstrated for s, = 1 in the diagram n 
10. i 
i 
d 
i 
i 
n