Table 3:
Binarity data for Sco OB2, showing the number of companion stars
found with the different techniques. Literature data and the new companion
stars described in this paper are included.
The terms "visual'', "astrometric'', and "spectroscopic'' pertain only to
available observations and not to in intrinsic properties of the systems.
Note that
each companion of a multiple system is included individually.
Type |
B1-B3 |
B4-B9 |
A |
F |
GKM |
Upper Scorpius |
Single stars |
3 |
13 |
20 |
17 |
10 |
Visual |
15 |
9 |
12 |
3 |
2 |
Astrometric |
0 |
3 |
1 |
2 |
3 |
Spectroscopic |
11 |
12 |
0 |
0 |
0 |
Upper Centaurus Lupus |
Single stars |
3 |
22 |
41 |
43 |
22 |
Visual |
15 |
23 |
29 |
7 |
8 |
Astrometric |
2 |
1 |
3 |
5 |
2 |
Spectroscopic |
11 |
6 |
1 |
1 |
0 |
Lower Centaurus Crux |
Single stars |
3 |
16 |
31 |
47 |
14 |
Visual |
7 |
13 |
24 |
10 |
4 |
Astrometric |
1 |
3 |
3 |
4 |
4 |
Spectroscopic |
3 |
3 |
1 |
0 |
0 |
Scorpius OB2 |
Single stars |
9 |
51 |
92 |
107 |
46 |
Visual |
37 |
45 |
65 |
20 |
14 |
Astrometric |
3 |
7 |
7 |
11 |
9 |
Spectroscopic |
25 |
21 |
2 |
1 |
0 |
Source LaTeX |
All tables |
In the text