[D] A CATALOGUE OF BINARY STAES FOE WHICH CEBITS HAVE BEEN COMPUTED— core^mwet^. 
Ref. No. 1 
i 
Star. 
3. 
R. A. J890.0 
4. 
Decl. 1890.0 
P. 
Years. 
T. 
8. 
.orv. 
9. 
a. 
10. 
12. 
Computer. 
13. 
Mag. 
Components. 
Colours of 
Components. 
16. 
Hypotletical 
p = af-i. 
17. 
Observed parallax 
18. 
A. 
19. 
B. 
20. 
Relative 
brif^btness 
/a 
h.' 
21. 
Remarks. 
I 
Virgiilis 
H. M. S. 
12 36 5 
- 0 58-0 
- 169-445 
- 171-54 
1836-278 
1836-40 
0-88064 
0-8804 
25 25 
27 23 
62 9 
20 34 
79 4 
300 13 
Madler, 1847. 
Hind, 1851. 
M. N., xi., p. 136. 
23 
. . . 
- 174-137 
1836-34 
0-87964 
25 27 
34 45 
284 53 
Adams, 1851. 
23 
23 
23 
- 175 
- 177-7 
- 182-12 
1836-45 
1836-5 
1836-43 
0-8715 
0-88779 
0-87952 
0 
37 20 
23 35-7 
0 
35 37 
long per. 
= 320 
281 42 
313 45 
3- 385 
4- 226 
-Hammarion, 1874. 
Smyth, 1860. 
Sii-J.Herschel. 
0-108 
0-133 
C. R., Ixxxviii., 1198. 
Cycle continued, p. 451. 
23 
23 
- 183-137 
- 184-53 
1836-385 
1836-40 
0-88596 
0-8794 
30 39 
27 36 
28 42 
19 7 
290 30 
295 13 
4-336 
1860. 
Fletcher, 1853. 
0-135 
M. A. S., xviii., p. 67. 
Cf. M. A. S., Ti., 149. 
M. N., xiii., p. 258. 
23 
- 185-0 
1836-68 
35 6 
35 36 
283 42 
3-97 
Thlele. 
0-122 
+ 0-109 
0-513 
4-92 
23 
- 513-28 
1834-01 
0-887 
67 59 
87 50 
82 13 
11-830 
SirJ.Herschel,1833. 
M. A. S., vol. v., p. 193. 
24 
42 Comae Berenices, 
13 4 38 
+ IS 6-7 
+ 25-71 
1869-92 
0 480 
90 ± 
10 30 
99 11 
0-657 
0 2 & Doubjago, '57. 
6, 6 
TeUow. 
II. 
0-078 
- 0-041 
0-538 
2-46 
M. N., X.XXV., p. 370. 
26 
2 1757, .... 
13 28 41 
+ 0 14-6 
4 276-92 
1791-98 
0-4498 
40 56 
87 36 
185 23 
2-05 
Gore, 1887. 
White, bluish. 
II, 
0-048 
- 0-046 
0-100 
M.N., xlvii.. No. 8. 
25 
-t 291-8 
1792-65 
0-623 
49 25 
120 40 
140 37 
2-13 
Casey, 1882. 
0-048 
- 0-063 
0-13) 
0-37 
A. N., 2438. 
+ 340-38 
1778-81 
0-2425 
45 51 
89 45 
203 14 
2-25 
0-046 
M. N., xlvii., No. 1. 
25 
+ 401-0 
1797-42 
0-5079 
29 32 
344 43 
316 28 
2-29 
Casey, 1882. 
0-042 
A. N., 2415. 
26 
25 Can. Venat., . 
13 32 34 
+ 36 51-3 
- 119-92 
1863-04 
0-7221 
33 20 
42 22 
245 0 
0-81 
Doberct, 1880, 
- 0-030 
0-099 
7-28 
A. N., 2345. 
- 124-50 
1862-98 
0-66 
51 30 
82 0 
202 0 
1877. 
5, 7-6 
White, blue. 
I. 
A. N., 2156. 
27 
28 
2 1S19, .... 
a Centauri, . . . 
14 9 48 
14 32 10 
+ 3 38-2 
- 60 22-8 
- 340-1 
+ 75-3 
1797-0 
1858-012 
0-3052 
0-966 
37 31 
77 50 
156 25 
177 50 
348 56 
1-46 
30 
Casey, 1882. 
Powell, 1864. 
7-9, 8 
1, 3i 
Tellowish- 
white. 
YeUow. 
11. ? 
II. Pec.i 
0- 03 
1- 682 
0-913, Hender- 
+ 0-016 
0-051 
0-95 
A. N., 2421. 
28 
28 
... 
+ 76-222 
+ 76-25 
1875-951 
1874-2 
0-51578 
0-63944 
79 15-2 
81 13 
25 30-5 
24 18 
54 59-2 
59 12 
17-33 
20-13 
Downing, 1884. 
PoweU, 1870. 
0- 964 
1- 119 
0-880, Moesta. 
0-621, „ 
+ 1-426 
4-814 
1-31 
M.N., xliv., 238. Elkin's 
orbit conected. 
M. N., XXX., p. 192. 
28 
+ 77-0 
1851-60 
0-950 
47 46 
86 7 
291 22 
15-6 
Jacob, 1848. 
0-856 
0-76, Gill. 
M. A. S., xvii., p. 88. 
23 
28 
+ 77-42 
+ 77-809 
1875-97 
1871-345 
0-5260 
0-70332 
79 32 
80 67 
25 47 
22- 21 
54 47 
58 26 
17-50 
20-575 
Elkin, 1880. 
Copeland, 1869. 
0-963 
. 1-129 
0-676, Elkin. 
+ 1-462 
4-827 
_ 
28 
+ 80-94 
1859-42 
0-7752 
62 53 
16 42 
26 2 
13-57 
Hind, 1861. 
0-725 
28 
+ 82-59 
1857-012 
0-96887 
77 19i 
2 35 
31-7574 
Powell, 1854. 
1-674 
_ 
28 
„ ... 
+ 85-042 
1874-85 
0-6673 
82 18-4 
21 48 
59 32 
21-797 
Hind, 1877. 
1-127 
M. N., xxxvii., p. 97. 
28 
+ 87-438 
1875-447 
0-544326 
79 47-1 
25 49-6 
48 59-3 
18-89 
Powell, 1886. 
0-9.59 
+ 1-674 
4-684 
0-77 
28 
..... 
+ 88-536 
1875-12 
0-5332 
79 24 
25 14 
45 58 
18-45 
Doberck. 1879. 
0-929 
^ *' Pec." denotes that there is something- peculiar about the spectrum. 
