CHAPTER IV.—W ANDROMEDA. 
51 
Table 28.—787 W Andromedje. Constants for Reduction and Comparison with Catalogue 
Magnitudes. 
6-INCH. 
1903 
December 6. 
1903 December 21. 
1904 October 30. 
Star. 
Obs. Mag. 
A Mag. 
C. 
Obs. Mag. 
A Mag. 
C. 
Obs. 
Mag. 
A Mag. 
C. 
H. 
P. 
H. 
P. 
H. 
P. 
H. 
P. 
H. 
P. 
H. 
P. 
D . 
0.81 
7.70 
8.11 
4 - .09 
- .03 
0-57 
7 65 
8.06 
+ .04 
- .08 
1.48 
7.83 
8.24 
4 - - 22 
4 -. 10 
E . 
0.52 
7 • 4 1 
7.82 
- 03 
— . 10 
0-35 
7-43 
7.84 
— .01 
- .08 
1.12 
7-47 
7.88 
+ 03 
- .04 
r . 
O.OI 
6.90 
7-31 
— . 06 
+ .n|- 
-0.14 
6.94 
7-35 
— . 02 
+ • 15 
0.36 
6.71 
7.12 
- 25 
— .08 
Means.. 
0-45 
7-34 
7-75 
± .06 
± .08 
0.26 
7-34 
7-75 
± . 02 
± . 10 
0.99 
7-34 
7-75 
± • 17 
± .07 
M 0 . 
6.89 
7 ■ 3 ° 
... 1 
.... 
7.08 
7-49 
6-35 
6.76 
12-INCH. 
40 -INCH. 
Star. 
Mag. 
6-inch. 
C. 
Star. 
Mag. 
12-inch. 
C. 
Nov. 17. 
Nov. 18. 
Nov. 19. 
Nov. 7. 
Dec. 26. 
Jan. 31. 
0 . 
a . 
P . 
<7 . 
Mean C .. . 
Mean Mag. 
M p . 
8.98 
9.12 
7 - 9 ° 
7 63 
1.44 
1.60 
0.48 
0. 26 
1.65 
1.83 
0.56 
0-37 
1.50 
1.83 
0-45 
0.18 
b . 
c. 
/. 
g. 
Mean C .. . 
Mean Mag. 
M c . 
9-53 
9.28 
10.12 
11.05 
0.19 
-0.15 
0.86 
2.00 
o -33 
0.24 
1.23 
2.21 
- 0-35 
-0.68 
0-57 
1.72 
8.41 
0-95 
8.41 
7.46 
1.10 
8.41 
7-31 
1.20 
8.41 
7.42 
10.00 
0.72 
10.00 
9.28 
1.00 
10.00 
9.00 
0.32 
10.00 
9.68 
magnitude 
Fig 10. — Magnitude-Curve for W Andromeda 
