researches in stelear photometry. 
i 80 
Table i i 2.—8629 Y Cassiopeia. Constants for Reduction and Comparison with Catalogue 
Magnitudes. 
6-INCH. 
Star. 
1904 October 6. 
1904 October 15. 
1904 October 27. 
C. 
Obs. Mag. 
A Mag. 
C. 
Obs. Mag. 
A Mag. 
C. 
Obs. Mag- 
A Mag. 
H. 
P. 
H. 
P. 
H. 
P. 
H. 
P. 
H. 
P. 
H. 
P. 
C . 
F'.... 
G . 
-0.23 
-0.52 
-0.03 
7 23 
6.94 
7-43 
6.96 
6.67 
7. 16 
+ ■ 12 
- .07 
- 05 
- .09 
+ .10 
.00 
0.25 
— 0.26 
0.49 
7.29 
6.78 
7-53 
7.02 
6.51 
7.26 
+ .18 
- -23 
+ -05 
- 03 
— .06 
+ . 10 
— 0.07 
-0.50 
— 0.07 
7-34 
6.91 
7-34 
7.07 
6.64 
7.07 
+ .23 
— . 10 
- • 14 
4- .02 
+ .07 
- .09 
Means. 
M 0 . 
— 0.26 
7.20 
7.46 
6-93 
7.19 
± .08 
rh 06 
0.16 
7.20 
7.04 
6-93 
6.77 
± • 15 
± .06 
— 0.21 
7.20 
7-41 
6 - 93 
7 - i 4 
± . 16 
± .06 
12-INCH. 
40 -INCH. 
Star. 
Mag. 
6-inch. 
C. 
Star. 
Mag. 
12-inch. 
C. 
Sept. 2. 
Nov. 2. 
Nov. 3. 
Dec. 26. 
Jan. 7. 
July 12. 
Jan.28. 
A . 
B . 
1 . 
m . 
Mean C .... 
Mean Mag.. 
M 0 . 
7 - 77 
8 - 35 
9.87 
10.02 
— 0.40 
0.22 
1.78 
2.01 
0.06 
0.69 
2.27 
2-43 
-0.47 
0.21 
2.01 
2.26 
b . 
c . 
d . 
Mean C... . 
Mean Mag . 
M 0 . 
10.46 
10.71 
”■43 
0.82 
1.49 
2.24 
0-37 
1.04 
2.06 
0.42 
1.00 
2.26 
0.20 
0.83 
1.72 
8.96 
0.90 
8.96 
8.06 
1.36 
8.96 
7.60 
1.21 
8.96 
7.96 
10.87 
152 
10.87 
9-35 
1. 16 
10.87 
9.71 
1.23 
10.87 
9.64 
0.92 
10.87 
9 95 
Fig. 37.—Magnitude-Curve for Y Cassiopeia. 
