CHAPTER VII.—RV HERCULES. 
93 
Table 57.—6100 RV Herculis. Mean Magnitudes of Comparison Stars. 
6 INCH. 
Star. 
July 31. 
Sept. 4. 
Sept. 5. 
Mean. 
Mag. 
J Mag. 
Mag. 
A Mag. 
Mag. 
A Mag. 
Mag. H. 
Mag. P. 
A Mag. 
B . 
F . 
G . 
Mean. 
7.67 
6-39 
6.41 
— O.OI 
+ 0.02 
0.00 
7-75 
6 • 30 
6.41 
+ 0.07 
— 0.07 
0.00 
7 -63 
6-43 
6.41 
-0.05 
+ 0.06 
0.00 
7.68 
6-37 
6.41 
7-93 
6.62 
6.66 
±0.04 
±0.05 
0.00 
6.82 
7.07 
±0.03 
b . 
d . 
e . 
/. 
Mean. 
9.76 
10.78 
8.72 
11 .01 
+ 0.14 
— 0.09 
-0.05 
0.00 
9-59 
10.99 
8.84 
11.00 
-0.03 
+ 0.12 
+ 0.07 
— 0.01 
9-52 
10.83 
8.76 
11.01 
— 0.10 
— 0.04 
— 0.01 
0.00 
9.62 
10.87 
8.77 
11.01 
9.87 
11.12 
9.02 
11.26 
±0.09 
±0.08 
±0.04 
0.00 
10.07 
10.32 
±0.05 
12-INCH. 
Star. 
Aug. 11. 
Aug. 13. 
Sept. 8. 
Mean. 
Mag. 
A Mag. 
Mag. 
A Mag. 
Mag. 
A Mag. 
Mag. H. 
Mag. P. 
A Mag. 
b . 
d . 
. . 
/ . 
TVlean . 
9-85 
10.71 
8.83 
10.90 
— 0.04 
+ 0.04 
-0.03 
+ 0.04 
9-95 
10.67 
8.74 
10.93 
+ 0.06 
0.00 
— 0.12 
+ 0.07 
9.88 
10.63 
9.01 
10.76 
— 0.01 
— 0.04 
+ 0.15 
— 0.10 
9.89 
10.67 
8.86 
10.86 
10.14 
10.92 
9. n 
1 1 .11 
±0.04 
±0.03 
±0.10 
±007 
10.07 
11.46 
11.67 
12.67 
12.28 
10.32 
11 .71 
11.92 
12.92 
12.53 
±0.06 
±0.01 
±0.02 
±0.13 
±0.10 
0 . 
r . 
. . 
. . 
IT .47 
II.65 
12-75 
12.36 
+ 0.01 
— 0.02 
+ 0.08 
+ 0.08 
H-44 
11.69 
12.47 
12.35 
— 0.02 
+ 0.02 
— 0.20 
+ 0.07 
11.46 
11.68 
12.78 
12.13 
0.00 
4-0.01 
+ 0.11 
-0.15 
12.02 
12.27 
±0.06 
40-INCH. 
Star. 
June 8. 
July 12. 
Aug. 30. 
Sept. 13. 
Mean. 
Mag. 
A Mag. 
Mag. 
A Mag 
Mag. 
A Mag. 
Mag. 
A Mag. 
Mag. H. 
Mag. P. 
A Mag. 
/. .. 
10.59 
11.74 
11.81 
12.52 
-0.15 
4-0.17 
+ 0.01 
0.00 
10.64 
— 0. 10 
11.00 
11.40 
11.80 
12.61 
+ 0.25 
— 0.17 
0.00 
— 0.09 
10.74 
n -57 
11.80 
12.62 
10.99 
11.82 
±0.17 
±0.17 
±0.05 
±0.05 
Y . . . 
S . . . 
11.68 
12.67 
— 0.12 
-0.15 
11.89 
12.66 
4-0.09 
-fo.04 
12.05 
12.87 
Mean 
11.66 
11.91 
O . T I 
k... 
P .. 
a. . . 
P- - 
S-- 
1564 
1521 
+ 0.14 
4-0.26 
15-37 
14-77 
13- 07 
14.72 
15.01 
14.8 
L 3-97 
1 4 - 9 ± 
-0. 13 
— 0.18 
— 0.07 
— 0.03 
— 0.21 
15-50 
x 4-95 
13 - 14 
14 - 75 
15.22 
i 4 - 8 ± 
14.26 
1521 
15-75 
15.20 
13 - 39 
15.00 
T 5 ■ 47 
i 5 -i± 
1 4 - 5 x 
15.46 
±0.14 
±0.17 j 
±0.08 
14.87 
— 0.08 
13.22 
4-o.o8 
14.62 
-0.13 
14.92 
15-42 
4 -o. 17 
4 - 0.20 
± 0 . II 
±0.20 
£ • • • 
v ... 
0. - . 
14.12 
— 0.14 
14-39 
+ 0. 13 
14 - 54 
1 5 - 36 
+ 0.28 
— 0.29 
±0.21 
Mean 
± 0.15 
