Table 6.
Positions and flux densities of the four massive star binaries as derived from the COBRaS L-band observations.
| CLASC | Source | RA | Dec | Spectral | Period |
|---|---|---|---|---|---|
| ID | name | (J2000) | (J2000) | type | (days) |
| 6a | Cyg 5 (SW) | 20 32 22.42 | 41 18 18.89 | (O6.5-7I + O5.5-6I)(1) + late O/early B(2) | 2445.5 ± 109.5(2) |
| 6b | Cyg 5 (NE) | 20 32 22.48 | 41 18 19.38 | + early B(3) | ∼9200(4),(⋆) yr |
| 8 | A11 | 20 32 31.53 | 41 14 08.14 | O7.5III-I + O/B(5) | 15.511 ± 0.056(5) |
| 21 | Cyg 9 | 20 33 10.73 | 41 15 08.14 | O5-5.5I + O3-4III(6) | 860 ± 3.7(6) |
| 22 | Cyg 8A | 20 33 15.07 | 41 18 50.43 | O6If + O5.5III(7) | 21.908(8) |
Notes. The positions listed are a weighted position calculated by SEAC and taken from the April 26 observations. Similarly, the fluxes listed across both observation epochs were calculated using SEAC with seed and flood threshold levels, σs and σf equal to 5.0 and 3.0, respectively. ( ⋆ )This has been estimated assuming a distance of 1.7 kpc to the object.
References. (1) Rauw et al. (1999), (2) Kennedy et al. (2010), (3) Contreras et al. (1997), (4) Linder et al. (2009), (5) Kobulnicky et al. (2012), (6) Blomme et al. (2013), (7) De Becker et al. (2006), (8) Blomme et al. (2010).
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