MILLER— PARALLAXES OF FIFTY STARS. 



113 



Normal Equations: 



-f- 8.6000 c — 0.3860 /x — 0.594077: 

 + 32.4643 —54033 ■■ 



+ 6.6952 : 



Solution: 



c^ + o".oo5. 



/;( = — o".ooi ± o".oo3. 



TT = + o".o6o ± o".oo6. 

 p. e. unit weight, ± o".oi5. 



: + 0.0326. 

 : — 0.0756. 



: + 0.0842. 



Comparison Stars. 



No. 23. B.D. + 42°.ig22. 2 1263 = Lalande 17161. (8'^ 38™.6; 

 + 42° 3'.) Mag. 8.5. /x = — o^024I ; — o".649. 



The measures are in right ascension. Other parallaxes published 

 for this star are : 



Chase, — o".o8 ±: o".048, (Heliometer). 

 Adams, o".o58, (Spectroscopic). 



