6 
CATALOGUE OF THE MAGNITUDES OF SOUTHERN STARS. 
Table III. g 
lysis of the deviations (Gould — Sawyer) of the magni 
tudes of the two Cataloo^ues, arranged according to the size of these diffe 
o 
^ 
indicated in the first column. The last four columns g 
according to the groupings indicated by the headings. 
the number of stars 
TABLE III. 
m ■ 
By means of this table we find that the average difference 
ignitudes assigned by this Catalogue and that of Dr. Gould, is ±0 
between the 
088. 
M 
Assuming the magnitudes . of the two 
precision, we hav 
0*^059 as the value of the average 
talogues to have an ecj[ual degree of 
mmation of magnitude in each Catalogue 
error of a sing 
le de 
accidental 
This of course includes, besides the 
the effect of systematic difference 
