128 



MILLER— PARALLAXES OF FIFTY STARS. 



Comparison Stars. 



May 



June 



Aug. 

 Sept. 

 Sept. 



Date. 



18, 1914 



1, 1914 



18, 1914 



2, 1914 

 5, 1914 



May . 19, 1915 



Aug. 

 Sept. 

 Sept. 



June 

 June 

 June 



23, 1915 



10, 1915 



12, 1915 



I, 1916 



12, 1916 



13, 1916 



Table and Solutions for tt'. 



Hour Time in Parallax 



Angle. Obs. 100 Days, Factor, Solution, 

 h. m. T. P. m. 



+0 10 M. — 3.64 +0.876 +0.038 

 o 8 M. 3.50 .736 .034 



+0 8 



—0 6 



o 15 



+0 I 

 — o 10 

 +0 5 



— o 6 

 2 



P. 

 P. 

 P. 



-2.72 

 2.57 

 2.54 



.467 +0.042 

 675 .032 



712 .037 



P. 

 S. 

 P. 



P. 

 P. 



+0.98 

 1. 16 

 1. 18 



.546 

 .773 

 •793 



+3.81 +0.730 

 3.92 .591 



o 18 P. 



3-93 



•577 



-0.012 

 .016 

 .007 



-0.050 

 .051 

 .044 



Wt., 



I 



+0 15 Ma. +0.02 +0.871 +0.01 1 I 







5 



.6 

 9 



5 



o 



Res., Meas- 

 c'. ured by. 



+0.005 

 .008 



— 0.007 

 +0.002 

 — 0.003 



— 0.012 



M. 



M. 



M 

 M. 

 M. 



M. 



o +0.003 M. 



.005 M. 



.004 M. 



o +0.004 M. 



.004 M. 



.003 M. 



Normal Equations: 



+ 8.5000 c — 0.7000/* + 0.8563 TT: 



+ 65.2354 +2.3906 : 

 + 4.3766 : 



Solution: c = + o".ooi. 



/* = — 0".056 ±; 0".002. 

 7r = — 0".0II ±: 0".009. 



p. e. unit weight, ± o".oi8. 



: + 0.0175. 



: 0.7892. 



— 0.0378. 



