Free Access
Table 1
Parameters of the CD-30°11223 system.
| Visual magnitude† | mV | [mag] | 12.342 ± 0.003 |
| Proper motion‡ | μαcosδ | [mas/yr] | 9.5 ± 2.2 |
| μδ | [mas/yr] | − 5.6 ± 2.2 | |
|
|
|||
| Atmospheric parameters of the subdwarf | |||
| Effective temperature | T eff | [K] | 29 200 ± 400 |
| Surface gravity | log g | 5.66 ± 0.05 | |
| Helium abundance | log y | − 1.50 ± 0.07 | |
| Projected rotational velocity | vrotsini | [km s-1] | 177 ± 10 |
|
|
|||
| Orbital parameters | |||
| T 0 | [BJD UTC] | 2 455 113.205908 ± 0.000363 | |
| Orbital period | P | [d] | 0.0489790724 ± 0.0000000018 |
| RV semi-amplitude | K | [km s-1] | 376.6 ± 1.0 |
| System velocity | γ | [km s-1] | 19.5 ± 2.0 |
| Binary mass function | f(M) | [M⊙] | 0.271 ± 0.002 |
|
|
|||
| Derived parameters | |||
| Solution 1 | |||
| sdB mass | M sdB | [M⊙] | 0.47 ± 0.03 |
| sdB radius | R sdB | [R⊙] | 0.169 ± 0.005 |
| WD mass | M WD | [M⊙] | 0.74 ± 0.02 |
| WD radius | R WD | [R⊙] | 0.0100 ± 0.0004 |
| Orbital inclination | i | [°] | 83.8 ± 0.6 |
| Separation | a | [R⊙] | 0.599 ± 0.009 |
| Mass ratio | q | 0.63 ± 0.02 | |
|
|
|||
| Solution 2 | |||
| sdB mass | M sdB | [M⊙] | 0.54 ± 0.02 |
| sdB radius | R sdB | [R⊙] | 0.179 ± 0.003 |
| WD mass | M WD | [M⊙] | 0.79 ± 0.01 |
| WD radius | R WD | [R⊙] | 0.0106 ± 0.0002 |
| Orbital inclination | i | [°] | 82.9 ± 0.4 |
| Separation | a | [R⊙] | 0.619 ± 0.005 |
| Mass ratio | q | 0.68 ± 0.01 | |
Current usage metrics show cumulative count of Article Views (full-text article views including HTML views, PDF and ePub downloads, according to the available data) and Abstracts Views on Vision4Press platform.
Data correspond to usage on the plateform after 2015. The current usage metrics is available 48-96 hours after online publication and is updated daily on week days.
Initial download of the metrics may take a while.