Table 1
Sample of the investigated multiple systems.
| Target | mV | Spectral classification | Ref. | Multiplicity | Ref. | Notes | Ref. |
|---|---|---|---|---|---|---|---|
| γ Equ | 4.7 | A9 Vp SrEu | (1) | Single | Standard | ||
| 29 CMa | 5.0 | O9 Iabf+O9.7 Ib | (2) | SB2? | (2) | Contact? | (20) |
| V402 Pup | 9.2 | O6 V+O6 V, O9.5 V+O9.5 V | (3) | Quadruple | (3) | Contact | (3) |
| TU Mus | 9.3 | O7 V+O8 V | (4) | Quadruple? | (16) | Contact | (16) |
| SV Cen | 9.7 | B6.5III+B2V | (5) | SB2 | (5) | Semi-detached? | (21) |
| V606 Cen | 9.7 | B0.5 V+B3 V | (6) | Triple | (17) | Contact | (17) |
| V889 Cen | 11.7 | O4f++O6-7:(f): | (7) | SB2 | (7) | Contact | (7) |
| V918 Sco | 5.5 | O7.5 I(f)+ON9.7 | (8) | SB2 | (18) | BSG, CWB, post-RLOF | (18) |
| HR 6187 | 5.7 | O3-3.5 V+O5.5-6 V+O6.5-7 V | (9) | Triple | (9) | CWB, merger? | (9) |
| μ01 Sco | 3.0 | B1.5 V+B8-B3 | (10) | SB2 | (10) | Semi-detached | (10) |
| V1294 Sco | 7.6 | O9.5IV(n)+B0V | (11) | SB2 | (11) | Detached? | (22) |
| V701 Sco | 9.0 | B1-1.5 V+ B1-1.5 V | (12) | Triple? | (12) | Contact | (12) |
| MY Ser | 7.5 | O7.5III+O9.5III+O9.5I | (13) | SB3 | (19) | PACWB, contact | (23) |
| V356 Sgr | 7.0 | A2I+B3V | (14) | SB2 | (14) | Contact? | (14) |
| V337 Aql | 8.9 | B0+B3 | (15) | SB2 | (15) | Semi-detached | (15) |
Notes. The first column gives the target name and the second column the visual magnitude. In Columns 3 and 4, we present for each target the spectral classification and the corresponding reference. The multiplicity indicator and the corresponding reference are listed in Columns 5 and 6. Here, the entries SB2/3 correspond to spectroscopic binaries with double and triple line systems, and ’?’ to a multiplicity classification uncertainty. Columns 7 and 8 list notes concerning the interaction status of the system members and the corresponding reference. BSG stands for blue supergiants, CWB for colliding wind binaries, and PACWB for particle-accelerating colliding-wind binaries exhibiting synchrotron radio emission. References: (1) Bychkov et al. (2016); (2) Bagnuolo et al. (1994); (3) Lorenzo et al. (2017); (4) Penny et al. (2008); (5) Drechsel (1994); (6) Lorenz et al. (1999); (7) Raucq et al. (2017); (8) Sota et al. (2014); (9) Mahy et al. (2018); (10) van Antwerpen & Moon (2010); (11) Maíz-Apellániz et al. (2004); (12) Qian et al. (2006); (13) De Becker (2018); (14) van Rensbergen et al. (2011); (15) Tüysüz et al. (2014); (16) Qian et al. (2007); (17) Li et al. (2022); (18) Thaller (1998); (19) Ibanoglu et al. (2013); (20) Pablo et al. (2018); (21) Rucinski et al. (1992); (22) Rosu et al. (2022); (23) De Becker & Raucq (2013).
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