3« 
RESEARCHES IN STEEEAR PHOTOMETRY. 
Table 20.—267 V Andromeda. Mean Magnitudes. 
6-INCH. 
Star. 
October 6. 
October 30. 
October 30. 
Mean. 
Mag. 
A Mag. 
Mag. 
A Mag. 
Mag. 
A Mag. 
Mag. 
A Mag. 
Mag.H. 
Mag. P. 
A Mag. 
B '. . . 
7.91 
— 0.02 
7.92 
— O.OI 
7.96 
4-0.03 
7-93 
8.22 
±0.02 
E ' . .. 
7-77 
+ 0.03 
7 - 7 i 
-0.03 
7-75 
4-0.01 
.... 
7-74 
8.03 
±0.02 
F '.. . 
6.96 
— 0.02 
7.02 
+ 0.04 
6-95 
-0.03 
.... 
6.98 
7.27 
±0.02 
Mean. 
7-55 
7.84 
± 0.02 
a . . . . 
9.66 
— 0.09 
9.86 
+ 0.11 
9.72 
-0.03 
9-75 
10.04 
±0.08 
b .... 
8.88 
-f 0.01 
8.90 
+ 0.03 
8.82 
-0.05 
8.87 
9.16 
±0.03 
y .... 
9.27 
— 0.02 
9-43 
+ 0.14 
9.17 
— 0.12 
.... 
.... 
9.29 
9-58 
±0.09 
z . 
8.56 
+ 0.15 
8 . 41 
0.00 
8.25 
— 0. 16 
8 . 41 
8.70 
±0.10 
Mean. 
9.08 
9-38 
±0.08 
12-INCH. 
September 11. 
October 30. 
November 1. 
November 2. 
Mean. 
Star. 
Mag. 
A Mag. 
Mag. 
A Mag. 
Mag. 
A Mag. 
Mag. 
A Mag. 
Mag. H. 
Mag.P. 
A Mag. 
a . . . . 
9.96 
+ 0.05 
9-97 
+ 0.06 
9.84 
— 0.07 
9.86 
-0.05 
9.91 
10.20 
±0.06 
b .... 
8.82 
— 0.09 
8.87 
— 0.04 
8-93 
4-0.02 
9.02 
4-o. 11 
8.91 
9 . 20 
±0.06 
y. . . . 
9.28 
+ 0.01 
9-14 
-0.13 
9 . 28 
4-0.01 
9-38 
4-0.11 
9.27 
9-56 
±0.06 
z. . . . 
8.26 
+ 0.03 
8-33 
+ 0.10 
8.27 
4-0.04 
8.06 
— 0.17 
8.23 
8.52 
±0.08 
Mean 
9.08 
9-37 
dbo. 06 
e . . . . 
11.22 
— 0.06 
11 . 18 
— 0.10 
ii -33 
-fo.05 
11-39 
4-o. 11 
11.28 
ii -57 
±0.08 
d.... 
11.65 
— 0.20 
n -75 
— 0.10 
12.09 
4-0.24 
H -93 
4-0.08 
11.85 
12.14 
±0.15 
m . . . 
12.12 
— 0.14 
12.10 
— 0.16 
12.45 
4-0.19 
12.39 
4 -o. 13 
12.26 
12.55 
±0.14 
/.... 
10.40 
— O.OI 
10.39 
— 0.02 
10.43 
4-0.02 
10.42 
4-0.01 
10.41 
10.70 
±0.01 
Mean . 
11.46 
n -75 
±0.10 
40-INCH. 
Star. 
February 12. 
December 26. 
January 28. 
January 31. 
Mean. 
Mag. 
A Mag. 
Mag. 
A Mag. 
Mag. 
A Mag. 
Mag. 
A Mag. 
Mag. H. 
Mag.P. 
A Mag. 
d.... 
11.76 
0.00 
11.85 
+ 0.04 
11 . 81 
4-0.05 
11.68 
— 0.08 
11.76 
12.05 
±0.06 
e . 
11.42 
— 0.04 
11 . 17 
— 0.16 
u -53 
4-0.07 
n -55 
4-0.09 
11.46 
n -75 
±0.11 
m . .. 
12.22 
+ 0.04 
12.39 
+ 0.12 
12.07 
— 0.11 
12.16 
— 0.02 
12.18 
12.47 
±0.08 
O 
, 00 
. 
i 
12.09 
±0.08 
B . . . 
12.95 
— 0.11 
13-35 
4-0.09 
1303 
-0.03 
13.00 
— 0.06 
13.06 
13-35 
±0.06 
C. . . 
13-55 
— 0.29 
14 22 
4-0.05 
13-84 
0.00 
13-79 
-0.05 
13-84 
14-13 
±0.03 
D ... 
13-79 
-0.49 
14.41 
— 0.18 
14-33 
4-0.05 
14.40 
4-0.12 
14. 28 
14-57 
±0.12 
E. .. 
13.27 
— 0.21 
13-87 
4-0.09 
13 36 
— 0.12 
13-52 
4-0.04 
13-48 
13-77 
±0.06 
Mean 
13.66 
13-95 
±0.07 
