100 



MILLER— PARALLAXES OF FIFTY STARS. 



Normal Equations: 



-|-8.200OC — I.314OJU, — I.630l7r: 



+ 34.7662 — 6.6250 - 



+ 6.1467 : 



Solution: 



c = — o".i45. 



/A = -[- o".oo7 ih o".oo3. 



7r= + 0".026 ± 0".008. 



p. e. unit weight, ±o".oi7. 



: — 1. 1980. 

 4- 0.2040. 

 -\- 0.2605. 



Comparison Stars. 



No. 12. B.D. + 3i°.642. o Persei = ^ 535. (3^^ 38"; + 3i° 58'.) 

 Mags. 4.0-8.5. JU,= + o^ooo8; — o".024. Spectrum B^. 



The measures are in longitude. The components of this star are 

 separated by o".83. The combined image of the components seemed 

 round. No other parallaxes have been published. 



