MILLER— PARALLAXES OF FIFTY STARS. 



101 



Normal Equations: 



-\- 10.4000 c -f- 0.4420 ju, — 0.8097 '^ 

 + 36.3912 —37729 ■■ 



+ 6.4979 : 



Solution: c=: + o".092. 



)U,=i + o".oo3 ± o".oo3. 

 7r = + o".030 ± o".oo6. 



p. e. unit weight, ± o".oi5. 



Comparison Stars. 



=^ + o-9505- 

 = + 0.0411. 



= — 0.0357. 



No. 13. B.D. + 34°.796. Greenwichgo 284 = Lalande 7443. 

 (S*" 56™. 5 ; + 35° 2'.) Mag. 8.5. /* = 0M420 ; — i".354- 



The measures are in longitude. Other parallaxes published are 

 Russell — o".oi I ± o".oi4, (Photographic). 

 Schlesinger + o".039 ±: o".oi3, (Photographic). 

 Flint — o".020 ± o".o55, (Transits). 



Chase +o".04 ± o".026, (Heliometer). 



Adams + o" .042, ( Spectroscopic ) . 



PROC. AMER. PHIL. bOC, VOL. LIX, G, MARCH 30, I92O. 



