researches in stellar photometry. 
I §2 
Table 114.—8629 Y Cassiopeia. Visual Observations of the Variable. 
Date. 
U 
<v 
u 
G t 
p 
No. 
Month 
and Day. 
Hour 
C.S.T. 
Julian 
Day 
G. M. T. 
3 
0 
O 
+ j 
u 
<u 
a 
< 
1898 
2410000+ 
1 
Feb. 15 
8 
4336.58 
150 
6 
2 
23 
7 
4344-54 
150 
6 
3 
24 
7 
4345-54 
6 
4 
Mar. 4 
7 
4353-54 { 
150 
40 
6 
6 
5 
5 
7 
4354-54 
80 
6 
6 
13 
7 
4362.54 
150 
6 
7 
16 
7 
4365 • 54 ] 
40 
150 
6 
6 
8 
23 
7 
4372.54 
150 
6 
9 
28 
7 
4377-54 j 
40 
150 
6 
6 
10 
Apr. 6 
7 
4386.54 \ 
40 
150 
6 
6 
11 
20 
8 
4400.58 
150 
6 
12 
25 
9 
4405.60 
150 
6 
13 
June 21 
13 
4462.79 
( 
4477-71 \ 
80 
12 
H 
July 6 
11 
275 
00 K> 
15 
Aug. 1 
11 
4503-71 
i 75 
12 
l6 
9 
9 
4511-63 
i 75 
12 
17 
18 
10 
4520.67 
275 
12 
18 
Sept. 7 
9 
4540-63 
150 
6 
19 
Oct. 5 
8 
4568.5S 
150 
6 
20 
Nov. 5 
7 
4599-54 
150 
6 
21 
19 
7 
4613-54 
200 
6 
22 
30 
7 
4624.52 
150 
6 
23 
Dec. 7 
7 
4631-54 
200 
6 
24 
10 
6 
4634-50 
200 
6 
25 
26 
8 
4650.58 
200 
6 
26 
30 
7 
4654-54 
200 
6 
1899 
4661.52 
27 
Jan. 6 
7 
200 
6 
28 
14 
7 
4669.54 
200 
6 
29 
27 
6 
4682.50 
150 
6 
30 
Feb. 7 
7 
4693 •54 
200 
6 
3 i 
28 
8 
4714.58 
150 
6 
32 
Mar. 7 
7 
4721-54 
150 
6 
33 
13 
8 
4727-58 
150 
6 
34 
28 
8 
473256 
40 
6 
35 
Apr. 4 
8 
4749-58 
40 
6 
36 
16 
16 
4761.92 
40 
6 
37 
May 1 
16 
4776.92 
40 
6 
38 
21 
14 
4796.83 
150 
6 
39 
29 
10 
4804.67 
150 
6 
40 
June 7 
10 
4813.67 
150 
6 
4 i 
15 
10 
4821.65 
150 
6 
42 
July 5 
10 
4841.65 
150 
6 
43 
11 
IO 
4847.65 
150 
6 
44 
17 
10 
4853-65 
150 
6 
45 
Aug. 6 
9 
4873-63 
150 
6 
46 
26 
9 
4893 • 60 
150 
6 
47 
Sept. 13 
8 
4911-56 
150 
6 
48 
26 
7 
4924-54 
6 
49 
Oct. 2 
8 
4930.58 
200 
6 
50 
Nov. 6 
7 
4965 • 54 
200 
6 
5 i 
20 
7 
4979-54 
150 
6 
52 
27 
7 
4986.54 
200 
6 
53 
Dec. 6 
7 
4995 • 54 
6 
Comparisons. 
jv2b, b2c, c^d, d^h, hi-2g.) 
igik, d 3 e < ei ~ 2 1 .r 
jv2 b, bic, c6d, d$f, f2e. . . I 
~(d2h, hig,g2k, g2f . I 
114b, V2 1 , VI-2 rn, 02V, VI p.. 
V2-T,l, mo-iv, D3-4 b . 
OV, V2p, V2-3I, D2-3V . 
V2 1 , vi—2m, ov, V4b . 
V2 1 , VT,b, miv . 
oiv, V2m, v$l . 
V4b, miv, 1/3/. 
i'3/, vm, V4b . 
04V, vip, V2m . 
vo-im, V2b . 
mT)V, hv . 
mT,V, h-2V, vi-2b . 
m2-yv, I2-3V, vb . 
b2-2,v, V3-4 c . 
cyv, do-iv, 1/3/. 
fo-dv, V2e . 
f2V, ev,vig,vT,z . 
ei-2v, g2v, limit v . 
e2v, 1/3-4 z . 
C2V, VT,4, V 2 a . 
}6v, g4V, viz, limit z . 
v not seen, limit 2. 
v not seen, limit z and a. . 
v not seen, limit z .. 
v not seen, limit z . 
v glimpsed, via . 
v glimpsed, va . 
v not seen. 
V2 a . 
7/3-4 z , ei - 2v . 
7/42, eiv . 
V4a , vo - ie , g2V . 
V 3 e , f 3 ~ 4 v > ^ig. 
vz d , V4f , c ^ v , vSg , d ^ f . 
biv , vie , vio - 12d . 
VI — 2 b , V 12 V . 
VT ,- 4m , 7/3-4/, vi0 . 
0 I - 2 V , VT , l , V 3»». 
p6v , oiv , v ^ m , 7/3/. 
V 2 m , V 21 , vo , V 2 p , 85V . . 
I5V , vi6v , vib . 
Ibv , b ^ v , vi - 2C . 
637/, co — iv , V4d . 
C3 - 4V , VI - 2d . 
div , vf , V4e . 
d2 - T ) v , vif . 
fiv ± . 
eiv , limit 2 <v . 
v glimpsed, 62-31). 
v glimpsed, ei - 2v . 
v not seen, limit 2 <e . , 
v not seen, limit a .... 
v not seen, limit a - ■ 
v not seen, limit e ■ . . . 
v not seen, limit a . .. . 
v not seen, limit 2 <e . 
Reduction, Steps. 
Means. 
Steps. 
f 23.6, 25.2, 26.5. 
I 25.2, 24.9.) 
25 - 7 . 24.5, 23.1. . . I 
27-2, 25.9, 25.7. . . ) 
25.2, 26.5, 27.2, 23.6 
25.2, 22.6, 24.O. 
26.2, 27.O, 26.2 . . . > 
23.6, 24.O, 26.2 . . . ) 
26.2, 25.O, 23.6. 
23.2, 24.9, 27.O. . . > 
25-5. 21.6.i 
22.0, 21.2.) 
22 . 0 , 21 . 7 , 21.1 . . . ) 
22.5, 20.7, 19.6 - 
I 7 -I, 19-8 . 
13.6, 10.3, 10.8- 
7 - 3 . 7-9 .I 
5.8, 5.9, 7.0, 3.0..) 
6.4. 4 0. 
3 - 9 , 3-5 . 
3.9, 3 -o, 4 -i. 
1.8, 2.0, 1.0. 
3 - 5 , 4-4 . 
4 - 0 . 4-9 . 
6.1, 6.4, 4.0. 
8 - 9 . 4 - 3 , 7-0 . 
12.8, 11.8, 11.3, 14.0 
18.6, 17.3, 21.8. 
21.1, 23.0. 
28.5, 26.7, 27.2. 
25.7, 26.2, 28.0. 
25.8, 26.2, 28.0, 26.2 
(27.0, 25.2, 27.2. . > 
(25.9, 26.8.) 
18.2, 19.0, 20.6. 
17.2, 16.6, 14.8. 
16.6, 15.8, 14.8. 
12.8, 12.3. 
9.8, 7.8, 9.9. 
8.3, 8.8. 
21.6 
21.6 
25.0 
24-3 
25.6 
23 -9 
25 -5 
24.9 
24.4 
21.6 
20.9 
18.4 
11 • 5 
6.1 
5-2 
3-7 
3 - 6 
1.6 
< o 
< 1 
< o 
< O 
3-i 
2.1 
4.1 
3 - 9 
4 - 4 
5 - 5 
6.7 
12.4 
19.2 
22.0 
27.6 
26.6 
26.5 
26.4 
19.2 
16.2 
15-4 
12.5 
8.8 
8-5 
6.8 
4-9 
3 - 4 
4 - 4 
< 4 
< 2 
< 2 
< 6 
< 2 
< 4 
Mag. 
10.07 
10.07 
9-50 
9.61 
9-43 
9 - 7 o 
9-43 
9-53 
9.60 
10.07 
10.19 
10.61 
11.80 
12.79 
12.95 
13 - 14 
13-15 
13.60 
< 13-9 
03-7 
< 13-9 
<13 9 
13-33 
I3-50 
13.16 
13 ' 19 
13.08 
12.90 
12.70 
11.67 
10.47 
10.00 
9.09 
9.26 
9.27 
9.29 
10.47 
10.97 
11.12 
11.63 
12.31 
12.35 
12.68 
13.02 
13.28 
13.10 
<132 
< 13-5 
03-5 
<12.8 
< 13-5 
<132 
Seeing 
t. 
A Mag. 
.... 
0 
+ 0.32 
good 
8 
+ 0.37 
9 
— 0.20 
good 
17 
— 0.12 
fair 
18 
-0.31 
good 
26 
-0.13 
good 
29 
— 0.46 
good 
36 
-045 
good 
4 i 
-0.50 
fair 
50 
— 0.20 
fair 
64 
-0.44 
fair 
69 
— 0.16 
good 
126 
— 0.62 
good 
141 
+ 0.08 
moon 
167 
— 0.16 
good 
175 
— 0.07 
good 
184 
— 0.18 
good 
204 
+ 0.10 
good 
. . . 
.... 
good 
. . . 
.... 
good 
. . . 
«... 
good 
. . . 
.... 
good 
295 
- 0-34 
good 
298 
-0.15 
good 
3~8 
-0.25 
good 
325 
— 0.10 
good 
333 
— 0.02 
good 
346 
+ 0.15 
good 
357 
+ 0.40 
good 
378 
+ 0.67 
fair 
385 
+ 0.07 
fair 
39 i 
— 0.19 
good 
396 
-0.88 
good 
3 
-0.47 
fair 
16 
— 0.46 
fair 
30 
— 0.61 
good 
50 
+ 0.18 
fair 
58 
+ 0.51 
fair 
67 
+ 0.41 
low 
75 
+ 0.63 
good 
95 
+ 0.64 
poor 
101 
+ 0-53 
moon 
107 
+ 0.71 
fair 
127 
+ 0.59 
fair 
147 
+ 0.46 
moon 
165 
0.00 
good 
good 
.... 
good 
. . • • 
good 
fine 
• • • • 
good 
.... 
