| Name | Distance* | Mv1* | Mv2* | PA* | RA (J2001) | Dec (J2001) |
|
| 1 |
4.6"
|
6
|
9
|
137
|
13h 40m 45s
|
+19° 56'
56"
|
77.63
|
| Struve 1850 |
25.6"
|
6
|
7
|
262
|
14h 28m 37s
|
+28° 17'
06"
|
n/a
|
| Struve 1858 |
2.7"
|
7
|
8
|
36
|
14h 33m 41s
|
+35° 34'
49"
|
77.08
|
| Pi |
5.6"
|
5
|
6
|
108
|
14h 40m 48s
|
+16° 24'
46"
|
50.37
|
| Struve 1871 |
2.0"
|
7
|
7
|
306
|
14h 41m 40s
|
+51° 23'
33"
|
62.86
|
| Epsilon |
2.9"
|
2.5
|
5
|
338
|
14h 45m 03s
|
+27° 04'
08"
|
90.07
|
| Struve 1879 |
1.4"
|
7.5
|
8.5
|
95
|
14h 46m 20s
|
+09° 38'
29"
|
88.13
|
| Struve 1884 |
1.8"
|
6.5
|
8
|
56
|
14h 48m 27s
|
+24° 21'
41"
|
88.52
|
| 39 |
2.9"
|
6
|
6.5
|
45
|
14h 49m 45s
|
+48° 42'
57"
|
60.54
|
| Struve 1886 |
7.7"
|
7
|
9
|
227
|
14h 51m 06s
|
+09° 43'
06"
|
42.31
|
| Otto Struve 288 |
1.5"
|
6.5
|
7
|
175
|
14h 53m 27s
|
+15° 41'
58"
|
74.60
|
| Struve 1895 |
12.5"
|
8
|
8.5
|
43
|
14h 57m 32s
|
+40° 09'
24"
|
n/a
|
| Sh 191 |
40.5"
|
7
|
7.5
|
342
|
14h 59m 39s
|
+53° 51'
19"
|
n/a
|
| Otto Struve 291 |
35.6"
|
6
|
8.5
|
156
|
15h 00m 43s
|
+47° 16'
21"
|
n/a
|
| 441 |
0.5"
|
5.5
|
6
|
312
|
15h 03m 52s
|
+47° 38'
57"
|
n/a1
|
| Struve 1910 |
4.2"
|
7
|
7
|
211
|
15h 07m 37s
|
+09° 13'
15"
|
34.84
|
| Struve 1916 |
9.9"
|
7
|
9.5
|
330
|
15h 09m 58s
|
+38° 58'
16"
|
43.85
|
| Struve 1921 |
30.4"
|
7
|
7
|
283
|
15h 12m 04s
|
+38° 39'
54"
|
n/a
|
| Delta |
105"
|
3.5
|
7.5
|
79
|
15h 15m 34s
|
+33° 18'
35"
|
n/a
|
| Mu-1 |
108"
|
4.5
|
6.5
|
171
|
15h 24m 33s
|
+37° 22'
20"
|
n/a
|
| Mu-2 |
2.0"
|
7
|
7.5
|
19
|
15h 24m 35s
|
+37° 20'
34"
|
71.02
|
| Otto Struve 296 |
1.9"
|
7.5
|
9
|
284
|
15h 26m 30s
|
+43° 59'
55"
|
87.01
|
| Otto Struve 298 |
1.0"
|
7.5
|
7.5
|
191
|
15h 36m 06s
|
+39° 47'
52"
|
76.25
|
| Struve 1785 |
2.8"
|
7
|
7.5
|
145
|
13h 49m 08s
|
+26° 58'
27"
|
62.08
|
| Struve 1793 |
4.6"
|
7
|
8
|
242
|
13h 59m 09s
|
+25° 48'
37"
|
53.11
|
| Otto Struve 275 |
5.0"
|
7
|
10
|
353
|
14h 09m 15s
|
+07° 22'
44"
|
77.00
|
| Otto Struve 279 |
2.2"
|
7
|
9
|
253
|
14h 13m 53s
|
+11° 59'
30"
|
87.75
|
| Kappa |
13.3"
|
4.5
|
6.5
|
236
|
14h 13m 32s
|
+51° 46'
59"
|
n/a
|
| Struve 1829 |
5.4"
|
7.5
|
8
|
150
|
14h 15m 32s
|
+50° 26'
02"
|
39.92
|
| Struve 1825 |
4.4"
|
7
|
8.5
|
163
|
14h 16m 37s
|
+20° 06'
58"
|
60.29
|
| Iota |
38.5"
|
5
|
7.5
|
33
|
14h 16m 14s
|
+51° 21'
45"
|
n/a
|
| Struve 1834 |
1.1"
|
7
|
7
|
100
|
14h 20m 22s
|
+48° 30'
07"
|
73.62
|
| Struve 1835 |
6.2"
|
5.5
|
7
|
192
|
14h 23m 27s
|
+08° 26'
27"
|
54.91
|
Notes:
For understanding DIs and
how they are calculated, please
read this article!
(*): Distance, magnitudes
and PAs are from Burnham's Celestial Handbook, so updated values can show
some differences. Due to this, DI (Difficulty Index) are given for Burnham's
data.
n/a: Not applicable: Difficulty
Indexes are calculated only for those doubles that have separations between
1.0 and 10.0 seconds of arc and shine with a difference of magnitude between
0 and 5. For an explanation about how to interpret and use DIs, click on
the DI link in the respective column above.
(1): Actually, separation
between components of 44 Bootes is greater than 1.0" (1.8", 1992)