The motion of the stars 



53 



TABLE I cent. Square E,^^ 



Class-breadth w= 0".050 

 Provisory mean [^M^) in it(=Aacos8) and -y(=AS): M„ = — 0".025 = — 0.5 lu 



1) Stars brighter than 4 





-2 -1 0 



+1 +2 +3 +4 +5 +6 +7 



V 



+3 

 +2 

 +1 









0 

 -1 

 -2 



-3 

 -4 



1 



2 

 1 



1 1 



3 

 1 



2 



V 



1 



4 1 



6 



a-o = + 2.50 2/o = - 1-67 



2) 4.00 <^ m <^ 4.99 





-2 -1 0 



+1 +2 +3 +4 +5 +6 +7 



V 



+3 

 +2 

 +1 



1 

 1 



4 2 



] 

 7 



0 

 -1 

 -2 

 -3 

 -4 



1 2 

 1 



2 4 1 



2 



10 

 2 

 1 





1 5 



8 6 1 



21 



= + 0.548 yo = — 0-262 



■3^ = 4- 0.950 = + 0-867 



v,„ = + 0.902 = + 0.752 



= -)- 0.037 

 »• = + 0.045 









3) 



5.00 



<^ 



m 



< 5.99 







-2 



-1 



0 



+1 



+2 



+3 



+4 +5 



1 



+3 









1 









1 



+2 









2 



1 







3 



+ 1 







3 



3 



1 







7 



0 



1 



1 



7 



5 



2 





1 



17 



-1 







1 



1 



1 







3 



-2 









1 





1 





2 



-3 









1 









1 



-4 



















-5 



















-6 













2 





2 



V 



1 



1 



11 



14 



5 



3 



1 



36 





= + 0.M4 



2/o = 



^ 0.667 





= + 1.177 





+ 1.818 





= — 0.156 



^ = 



+ 0.833 





- -|- 0.068 



Ey = 



+ 0.446 





= + 1.386 





+ 0.510 



'•-11 



= — 0.787 



^03 ~ 



— 10.008 





= + 3.305 



^40 = 



+ 6.808 



r 



= — 0.868 



v = 



+ 71.776 



4) All stars brighter than 6' 





-2 



-1 



0 



+1 



+2 



+3 



+4 +5 



+6 +7 



V 



+3 









1 











1 



+2 







1 



2 



1 









4 



+1 







4 



7 



3 









14 



0 



1 



3 



9 



7 



6 



3 



1 





30 



-1 







1 



3 



1 



1 







6 



-2 







1 



1 





1 







3 



-3 









1 





1 





1 



3 



-4 





















-5 





















-6 













2 







2 



I 



1 



3 



16 



22 



11 



8 



1 



1 



63 





■ 0.675 





= — 0.627 





+ 1.397 





= + 1.569 





— 0.542 





= + 0.845 



Ex = 



+ 0.410 



Ey 



= + 0.550 



"^20 ~ 



+ 1.952 





= + 2.956 



'-'n = 



— 0.839 



%3 



= — 6.522 



"■'02 



+ 2.460 



Uo 



= + 23.929 





— 0.374 



Vo4 



= + 44.883 



