Table 1
Properties of the stellar sample.
| Name | Sp. type | Ref. | [Fe/H] | N obs | Δt | ⟨ V ⟩ | σ | σ / ϵ | SB/ORB |
| (d) | (km s-1) | (km s-1) | |||||||
|
|
|||||||||
| HD 26 | CH | 10 | –1.3 | 110 | 11999 | –213.14 | 1.36 | 25 | ORB: |
| HD 76396 | CH | 6 | – | 68 | 13217 | –61.73 | 1.67 | 30 | ORB+jitter? |
| HD 145777 | CH | 3 | – | 32 | 2215 | 18.43 | 0.83 | 15 | SB |
| HD 187216 | CH | 8 | –2.5 | 41 | 12373 | –115.08 | 4.49 | 82 | SB |
| HIP 53522 | CH(-like) | 6, 9, 11 | –0.5 | 57 | 1816 | 32.49 | 5.54 | 100 | ORB |
| HIP 53832 | CH(-like) | 6, 7, 11 | –0.8 | 38 | 1151 | –2.28 | 7.36 | 134 | ORB |
| HE 0017+0055 | CEMP-rs | 1, 5, 12 | –2.4 | 25 | 1581 | –79.84 | 0.52 | 9.5 | SB+jitter? |
| HE 0111-1346 | CEMP-s | 1, 5 | –1.9 | 52 | 1542 | 44.71 | 6.45 | 117 | ORB |
| HE 0457-1805 | CEMP-s | 1, 5 | –1.5 | 29 | 1894 | 66.76 | 4.24 | 77 | ORB |
| HE 0507-1653 | CEMP-s | 2, 5 | –1.8 | 30 | 1495 | 348.41 | 4.90 | 89 | ORB |
| HE 1120-2122 | CEMP-s | 4 | – | 40 | 1948 | 108.6 | 3.79 | 69 | ORB+jitter? |
| HE 1429-0551 | CEMP-s | 1, 2 | –2.5 | 39 | 1930 | –44.51 | 0.19 | 3.4 | SB? |
| HE 2144-1832 | CEMP-s | 1 | – | 22 | 2170 | 141.79 | 0.60 | 11 | SB |
Notes. Nobs is the number of radial-velocity observations (including older measurements from McClure & Woodsworth 1990), Δt is their time span, ⟨ V ⟩ is the average velocity and σ its standard deviation, σ/ϵ is the ratio between the standard deviation and measurement error (estimated to be 55 m s-1). In column SB/ORB, the systems with close to 1 yr variations superimposed on the long-term orbit are flagged with the label “jitter?”.
Reference. (1) Goswami (2005); (2) Masseron et al. (2010); (3) Bidelman (1956); (4) Goswami et al. (2010); (5) Kennedy et al. (2011); (6) Hartwick & Cowley (1985); (7) Zamora et al. (2009); (8) Kipper & Jorgensen (1994); (9) this work; (10) Van Eck et al. (2003); (11) Sperauskas et al. (2015); (12) Jorissen 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.