CHAPTER IX.—S CYGNI 
129 
Group No.... 
J- D.•• 
2447 
2773 
r 
1 
r 
L 
3099 
r 
1 
4402 -j 
1 
r 
5054 < 
1 
L 
r 
5716 <! 
1 
1 
r 
1 
6032 ^ 
L 
r 
6684 
L 
r 
1 
7010 -i 
1 
t 
M 
JM 
No. 
t 
M 
JM 
No. 
t 
M 
JM 
No. 
t 
M 
JM 
No. 
t 
M 
JM 
No. 
t 
M 
JM 
No. 
t 
M 
JM 
No. 
t 
M 
JM 
No. 
t 
M 
JM 
No. 
f 
Means { 
1 
L 
t 
M 
JM 
No. 
Table 77.— 7220 S Cygni. Mean Magnitudes from 27^ Day Groups. 
I 
2 
3 
4 
5 
6 
7 
8 
9 
IO 
11 
27 
54 
82 
109 
136 
163 
190 
217 
244 
272 
299 
12 
265 
284 
IO. 28 
.... 
.... 
.... 
11.90 
H -53 
— O.18 
.... 
4 -o. 10 
4-0.27 
2 
2 
3 
14 
38 
233 
257 
281 
IO.44 
11.13 
12.43 
12.30 
11.32 
— O.OI 
— 0.02 
— 0.04 
+0.39 
— 0.08 
8 
6 • 
2 
3 
4 
257 
• • • • 
n -35 
.... 
-0.59 
3 
70 
IOI 
.... 
12.66 
13.90 
.... 
4-0. IO 
4-0.08 
.... 
2 
2 
.... 
.... 
145 
167 
232 
258 
291 
14.02 
14.60 
12.91 
12.24 
n -59 
— 0.87 
- 0-37 
4-0.31 
-fo.32 
- 0-59 
1 
1 
2 
2 
1 
118 
286 
14.68 
10.79 
+ 0.37 
-0.56 
1 
1 
22 
40 
78 
90 
10.21 
n.03 
12.70 
13-50 
— 0.40 
—0.26 
— 0.28 
+ 0.07 
3 
1 
I 
I 
5 
40 
92 
165 
198 
10.16 
n.50 
13.80 
15.00 
1363 
-0. 13 
+0.24 
+ O.32 
0.00 
-0.44 
1 
.... 
2 
2 
1 
2 
15 
39 
80 
94 
118 
145 
166 
198 
232 
259 
284 
1035 
11.20 
13-13 
13-77 
14.68 
14.02 
14.80 
13-63 
12.67 
11.92 
11 - 3 6 
— 0. 13 
4-0.01 
4-0.11 
4-0.08 
+ 0-37 
— 0.87 
— 0.18 
-0.44 
4-o. 14 
4-0.02 
4-0.06 
14 
9 
5 
3 
1 
1 
2 
2 
4 
10 
9 
12 
326 
314 
10.26 
—0.08 
4 
3 i 4 
10.26 
— 0.08 
4 
