Table 1
Important parameters of HD 149 404.
| Primary | Secondary | Binary | Ref. | |
|---|---|---|---|---|
| Porb (days) | 9.81475 ± 0.00084 | (1) | ||
| T0 (HJD–2 450 000) | 1680.279 ± 0.174 | (1) | ||
| a sin i (R⊙) | 30.7 ± 0.7 | (1) | ||
| RRL/a | 0.42 ± 0.01 | 0.34 ± 0.01 | (1) | |
| m sin3 i (M⊙) | 2.52 ± 0.21 | 1.52 ± 0.13 | (1) | |
| q = m2/m1 | 0.605 ± 0.027 | (1) | ||
| Teff (kK) | 34.0 ± 1.5 | 28.0 ± 1.5 | (2) | |
| l1/l2 | 0.70 ± 0.12 | (2) | ||
| BC (mag) | −3.17 | −2.67 | (2) | |
| v sin i (km s−1) | 93 ± 8 | 63 ± 8 | (2) |
Notes. RRL, m, and BC are the equivalent radius of the component’s Roche lobe, the mass of the star, and its bolometric correction in the V-band, respectively. The orbital separation of the system is given by a, and the optical brightness ratio of the primary star to the secondary is l1/l2.
References. (1) Rauw et al. (2001); (2) Raucq et al. (2016).
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.