TABLE I. 



Square 



Provisory mean (M^) in u (= Aa cos 8) 



1) Stars brighter than 4' 





-2 -1 0 



+1 +2 +3 +4 





+3 

 +2 

 +1 









0 

 -1 

 -2 





1 



l 



\' 





1 



1 



.r„ = + 0.50 î/o = — 1-50 



Class-breadth iv — 0".050 



id V (= AS): ilfo = — 0".025 = — 0.5 w 



2) 4.00 ^ WÏ ^ 4.99 





-2 -1 0 



+1 +2 +3 +4 





+3 

 +2 

 +1 



1 



., 1 3 





1 



4 



0 

 -1 



-2 



1 

 1 



3 1 

 2 1 

 1 



5 

 4 

 1 



S 



1 6 



6 2 



15 



= + 0.100 ?/„ = - 0.500 



3.^ = + 0.800 o,^ = -f i m 



v,„= + 0.640 v„j = + 1.067 



= — 0.467 

 ?• = — 0.565 









3) 



5.00 



<r Ml 



< 5.99 







-2 



-1 



0 



+1 +2 +3 +4 





+4 







1 









1 



+3 









1 







1 



+2 













1 



1 



+1 







5 



8 



1 





14 



0 







5 



14 







19 



-1 





1 



2 



8 







11 



-2 







1 



2 







3 



-3 







1 



1 



1 





3 







1 



15 



34 



1 1 



1 



53 



+ 0.292 

 + 0.762 

 — 0.696 

 + 0.661 



'20 = + 0.580 

 '1, = + 0.083 

 '02 = + 1.752 



r = + 0.082 



2/0 = 



^= 



— 0.557 

 + 1.324 



— 0.052 

 + 0.514 



+ 0.615 



+ 0.241 



: + 2.793 



+ 12.644 



4) All stars brighter than 6" 





-2 



-1 



0 



+1 



+2 



+3 



+4 



y 



+4 







1 











1 



+3 









1 









1 



+2 







1 









1 



2 



+1 





1 



8 



8 





1 





18 



0 







6 



17 



1 







24 



-1 





1 



3 



11 



1 







16 



-2 







1 



3 









4 



-3 







1 



1 



1 







3 







2 



21 



41 



3 



1 



1 



69 



+ 0.254 

 + 0.769 

 — 0.516 

 + 0.505 



io = + 0-591 

 1 = — 0.043 

 ,2 = + 1-591 



r = — 0.044 



2/0 = 

 E.. = 



— 0 558 

 + 1.261 



— 0.054 

 -f 0.509 



, = + 0.468 

 = -(- 0.219 

 , = + 2.456 

 , = + 10.808 



