The motion of the stiirs. 2 



TABLE I cent. Square B^ 



Class-breadth iv = 0".050 

 Provisory mean {^J^,) in u (= Aa cos 8) and v (= A8): Mg = — O". 025 =— 0.5 w 



1) Stars brighter than 4" 



21 4.00 < ))/ <, 4.99 



0 \ 



-4 -3 -2 -1 0 



+1 +2 +3 





+2 

 + 1 



1 



1 



2 



0 

 -1 

 -2 



1 



1 1 1 





1 



3 



y 



111 2 



1 



6 





-3 -2 -1 0 



+1 +2 +3 +4 





+4 

 +3 

 +2 

 +1 



2 



1 



1 



1 



1 



2 



0 

 -1 

 -2 



1 2 2 

 1 

 1 



1 



1 



6 

 2 

 1 





1 2 6 



1111 



13 



£C(, = — 1.50 



?/o = — 1.33 



0.039 

 1.599 



0,, : 



— 0.192 

 + 1.435 



= + 2.059 



Vjj= + 1.166 

 r = + 0.508 



3) 5.00 <i m < 5.99 



K' 



-3 -2 



-1 



0 



+ 1 +2 



+3 



v 



+3 















+2 







1 



1 





2 



+ 1 



1 





4 



5 





10 



G 



1 



3 



15 



9 





28 



-1 





2 



2 



1 



1 



6 



-2 





2 



3 







5 





2 



7 



25 



16 



1 



51 



^0 = 



— 0.343 



2/o = - 0 





+ 0.872 



Oy = + 0.928 



s.- 



— 0.023 



Sy = + 0.182 





+ 0174 



Ey = -\- 0,039 





+ 0.760 



^80 = + 0.031 



= 



+ 0.143 



^03 = - 0.291 



''oi ~ 



+ 0.861 



V40 = + 2.5?i5 





+ 0.177 



^04 = + 2.45B 







All Ptars brighter than 6 



8\- 



-4 -3 -2 -1 0 



+1 +2 ^! 3 +4 



V 



+4 

 +3 

 +2 

 +1 



1 



116 



1 



1 1 



5 1 



1 



3 

 14 



0 

 -1 

 -2 



2 5 17 

 2 4 

 112 5 



10 



1 2 



34 

 9 

 9 





1 1 4 9 83 



17 1 8 1 



70 



Sx 



— 0.386 

 + 1.271 

 : + 0.0C3 

 + O.Ü64 



4" 1.616 

 + 0.476 

 + 1.241 



+ 0.336 



2/0 = 



— 0.543 

 + 1.114 



— 0.167 

 + 0.176 



— 0.013 

 + 0.460 



: + 13.H36 



+ 6.795 



