Parallaxes of n and e Cassiopeise. 23 



Table V. — Parallax Equations. 

 Comparison Stars c and e. 



Plate. t'- 



31 i.ooj- — iA4y 4-'-89«r — i-^j = o +0.21 



32 1. 00 — 1.44 +1.89 — 1.78 = o -{-006 

 2:^ 1. 00 — 1.42 4-1-84 — --52 = o —072 

 34 1.00 — 1.42 4-1-84 — '-SO = o 4-0-50 

 38 1. 00 — 0.44 4-I-93 —'-47 = o — 0.06 



40 1. 00 -j-o.oi — !.8r +1-34 = o +0 55 



41 1. 00 4-0 01 — I. St +0.35 = o — 0.44 



42 1. 00 +0.01 — 1.84 4-0-05 = o — 0.75 



43 1. 00 4-0-55 4-19' — o.6[ = o 4-0-37 



44 1. 00 -4-0.55 4-'-9' —3-42 = o —2.44 



45 1. 00 4-0.55 4-1-9° — '-23 = o —0.26 



46 1. 00 4-0.55 -1-I-90 4-0.2I = o 4-1. 18 



47 1. 00 4-1. 02 —1.84 4-1-77 = o 4-0-53 



48 1. 00 -I-103 — 1.84 -1-3.I5 = o 4-1-9° 



49 1. 00 -I-I-03 —1.84 4-0-63 = o — 0-62 



50 1. 00 4-1 03 — 1.85 -f-i-87 = o -j-o.62 



51 1. 00 -f-i 54 -fi-91 4-033 = o +0.88 

 53 1. 00 -I-1.56 4-1-89 — o '9 = o 4-034 



57 1. 00 -1-1-97 ^1.66 -I-I-77 = o 4-0.21 



58 1. 00 -}-i.97 — 1-66 4-0-81 = o ^0.75 



59 1. 00 -i-i-97 — 1-70 4-1 84 = o 4-0.26 



60 1. 00 -|-i-97 ^1.70 — o 01 =0 — 1.59 



Ir2 = 18.18 



Normal Equations. 



4-22 oooo.r -|-i'-i6ooj/ 4" i-26o07r — 0.0400 = o 



+34.1358 —22.3029 4-24.7459 = 



-i-74. 1850 — 49.8911=0 



Solution. 

 In units 2d dee. place. In Arc. 



// // 



ir = -I-O.5381 ±0.0909 7r= -|-0. 1507 ±0.0255 



y = — 0.4362 ±0.1466 ^ = — 0.1222 ±0.0411 



X = 4-0.1923 ±0.1638 X = -I-0.0539 ±0.0459 



Scale. Arc. 



Prob. error of one equation = 0.6779 = o". 1899 



