CHAPTER VI.—RU HERCUUS. 
8l 
Table 49.—5798 RU Herculis Visual Observations of the Variable. 
Date. 
<u 
U 
3 
No. 
Month 
and Day. 
Hour 
C. S.T 
Julian 
Day 
G. M.'T. 
-2 
3 
0 
C 
<V 
Ch 
1897 
2410000 + 
1 
Jan. 7 
18 
3933 •00 
40 
6 
2 
May 5 
9 
4050.63 
150 
6 
3 
17 
4062 
150 
6 
4 
25 
. . 
4070 
150 
6 
5 
June 7 
9 
4083.63 
150 
6 
6 
20 
9 
4096.63 
40 
6 
7 
25 
9 
4101.63 
150 
6 
8 
July 5 
9 
4111-63 
150 
6 
9 
17 
10 
4123.67 
80 
6 
10 
21 
9 
4127.63 
150 
6 
11 
23 
9 
4129.63 
80 
6 
12 
Aug. 3 
9 
4140.63 
150 
6 
13 
13 
9 
4150.61 
150 
6 
M 
14 
9 
4151.61 
150 
6 
15 
20 
9 
4157.61 
150 
6 
16 
Sept. 3 
8 
4171.58 
150 
6 
17 
12 
8 
4180.58 
150 
6 
18 
13 
7 
4181.54 
150 
6 
19 
14 
8 
4182.56 
150 
6 
20 
21 
8 
4189.56 
150 
6 
21 
25 
8 
4 * 93-56 
6 
22 
29 
7 
4 * 97-54 
.. . 
6 
23 
Oct. 14 
7 
4212.54 
150 
6 
24 
23 
7 
4221.54 
150 
6 
25 
29 
6 
4227.50 
150 
6 
26 
Nov. 11 
6 
4240.50 
150 
6 
27 
16 
6 
4245-50 
150 
6 
1808 
28 
Jan. 2 
18 
4293.00 
150 
6 
29 
18 
18 
43°9•00 
150 
6 
30 
28 
18 
4319.00 
140 
050 
6 
6 
3 i 
Feb. 12 
18 
4333-98 
40 
6 
32 
Mar. 2 
17 
435 I -96 
40 
6 
33 
23 
17 
4372-96 
40 
6 
34 
Apr. 1 
16 
4381.92 
40 
6 
35 
11 
9 
439 I -63 
40 
6 
36 
14 
9 
4394-63 
40 
6 
37 
25 
6 
4405.61 
40 
6 
38 
May 7 
6 
4417.63 
40 
6 
39 
11 
10 
4421.65 
40 
6 
40 
16 
9 
4426.63 
40 
6 
4 i 
23 
9 
4433-63 
40 
6 
42 
June 14 
9 
4355-63 
80 
12 
43 
July 5 
10 
4476.67 
80 
12 
44 
18 
10 
4489.67 
80 
12 
45 
26 
10 
4497.67 
175 
12 
46 
Aug. 8 
10 
4510.67 
175 
12 
47 
19 
9 
4521.63 
80 
12 
48 
27 
9 
4529.61 
150 
6 
49 
Sept. 7 
8 
4540.58 
150 
6 
50 
Oct. 5 
7 
4568.54 
150 
6 
5 i 
Nov. 1 
6 
4595-50 
150 
6 
52 
2 
6 
4596 •50 
6 
Comparisons. 
-if, fo-ig . I 
ayv, V2b . 
(cid, die, eo- 
\g2h, h2~2,v . 
^2 f, fill . 
ei—zf, f2h . 
« 3 “ 4 f. f lh . 
fh± . 
fih . 
ei-2 f, fi-2h . 
62 /, flh . 
J g2m, wi2n, n^p . 
\ p 1-2V, limit v . 
p glimpsed, v not seen . 
v not seen, limit p . 
v not seen, limit n . 
v not seen, limit n . 
v not seen, limit p 
v not seen, limit n . 
v not seen, limit m or n. 
v not seen, limit 1 <n. . 
v not seen, limit p . 
v suspected, vp ?. 
v not seen, limit 3<n. . 
v not seen, limit 3 < n. . 
piv . 
112-3V, limit v . 
vndz, mi-2V, limit v. . . 
miv, vm, g4-~5V . 
miv, vm .. 
miv, vm, g5~6v . 
g3~4-V, vm . 
F3g, di-2V, qiv .. 
F 3 g . 
v/gx, F'4 d, a6-8v . 
ut,v, via, F4-5 b, vS-iox. . 
u^v, V21, va, vi-2s, Vi\b . . . 
vu, V2b, 03V, vt, U3~\v... 
t^v, a 4V, va-ib, vs. 
1 S2V. V2b, 642, z$d .| 
(W2d, Z4X, X2>a . j 
t6v, b 2V, v$y, v$x, v 6-8 d. . 
( b$v, v/\x, V2 -32.) 
\Z2X, X2 -3c, *3-4 d .j 
b$-6v, zo-iv, vx-2x, vyc.. . 
b6v, VZ, V2X, VT)W, X2W . . .. 
VZ, V 2 X, V 2 -T)C . 
V2g, e2V . 
e^v, vi-2g . 
g 2 V, V3VI . 
g2v, F3-4 n . 
g2-T,v, vm, v 6 p . 
g 3 v > vn V5-6p . 
n 3-4F, limit v, mzv . 
W 2 -3V, H 2 V . 
«4V, po-iv . 
v not seen, limit n . 
v not seen, limit i-2<».. 
Reduction, Steps. 
25-7, 23.0 
2.8, 2.6. 
3 - 1 - 3 - 8 , 3 - 5 - 
3 U 3-8 . 
3.1, 3.8, 2.5. 
4 - 5 . 3-8 . 
11. o, 11.6, 11.0 1 
11.0./ 
20.4, 17.1, 22.7 . . 
23 - 5 , 30 . 7 , 25.5, 25.4 
(22.5, 28.7, 29.7^ 
(28.4, 25.0.) 
(27.9, 23.0, 26.7| 
(26.7, 23.0.) 
23- 7, 25.7, ai . 5 , 26.9 
24- 9, 23.0 . 
J'20. 7,19.0, 20.5 \ 
(21 . 4,20. I ./ 
16.0, 20.4, 19.5 .. 
15 - 5 , 15 - 5 , I 7 . 9 , 18.0 
15.0, 17.0, 18.4, 18.0 
17.0, 18.4, 16.5 
10.o, 8.1 . 
7 - i , 9-5. 
6.0, 7.1. 
6 0, 6.3. 
5.5, 3.8, 6.0. 
5.5, 3.8, 6.0. 
-0.7, 2.1. 
1.6, 0.8 . 
-1.2, -O.5. 
Means. 
I 
Steps. Mag. 
| 
vSeeing. 
t. 
J Mag. 
24-3 
9.17 
good 
0 
— 0.12 
3-5 
12.75 
good 
11 7 
+ 0.26 
<6 
<12 
fair 
<6 
<12 
good 
<6 
<12 
good 
<6 
<12 
good 
<6 
< 12 
good 
<6 
<12 
fair 
.... 
<6 
<12 
good 
-i -5 
13-7 
good 
194 
+ 0.06 
<0 
< 13-3 
good 
<0 
<* 3-3 
fair 
<3 
<12.8 
poor 
<3 
<12.8 
fair 
<0 
< 13-3 
good 
<3 
<12.8 
moon 
<3 
<12.8 
moon 
<2 
<130 
fair 
<0 
< 13-3 
good 
<0 
< 13-3 
good 
<0 
<* 3-3 
<0 
<* 3-3 
— 1.0 
13-50 
good 
279 
+ 0.81 
o -3 
13.28 
good 
288 
+ 0.88 
2.7 
12.89 
294 
+ 0.61 
3-4 
12.77 
fair 
307 
+ 0.74 
3-4 
12.77 
good 
312 
+ 0.81 
3 -i 
12.80 
good 
360 
+ 1-50 
4.1 
12.64 
fair 
376 
+ 1-53 
11.1 
i *-43 
good 
386 
+ 0-53 
20.0 
9.92 
good 
401 
— 0.18 
26.2 
8.87 
good 
418 
+ 0.12 
26.0 
8.90 
good 
440 
+ 0.39 
25-4 
9.00 
good 
449 
+ 0.50 
24.4 
9. 16 
good 
458 
+ 0-53 
23-9 
9-25 
fair 
462 
+ 0.52 
20.3 
9.87 
good 
473 
+ 0.90 
18.6 
10.16 
good 
I 
+ 0.83 
16.7 
10.50 
good 
5 
+ 1.08 
17.1 
10.41 
fair 
10 
+ 0.84 
17-3 
10.37 
fair 
17 
+ 0.64 
9.0 
11.80 
fair 
39 
+ I- 39 
8-3 
u -93 
fair 
60 
+ 0. 72 
6-5 
12.25 
poor 
73 
+ 0.62 
6.1 
12.30 
fair 
81 
4-0.47 
5 -i 
12.46 
good 
94 
4-0.36 
5 -i 
12.46 
good 
105 
+ 0.11 
0.7 
13.21 
poor 
113 
+ 0.78 
1.2 
* 3*5 
fair 
124 
4-0.65 
— 0.8 
* 3-47 
fine 
152 
4-0.50 
<3 
<12.8 
fair 
<1 
<13-2 
good 
