Table B.3
The whole Galactic sample of nascent short-period (P < 10 d) binaries with early-type primaries and extreme mass ratios (sp. type ≤B3 and q < 0.2, see text for details).
| Name | Sp. Type | P (d) | q | e | v sin(i) (km s−1) | Age (Myr) | Ref |
|---|---|---|---|---|---|---|---|
| LS I+61 145 | B1V | 1.85 | 0.06 | 0 | 110* | 4.9 | a |
| HD 25631 | B3V | 5.24 | 0.13 | 0 | 221 | 9.6 | b |
| TYC 1881-933-1 | B2V | 1.02 | 0.11 | 0 | 143* | 29.3 | a |
| HD 254346 | B1.5V | 5.43 | 0.06 | 0.015 | 201 | 11.6 | a |
| HD 46485 | O7V | 6.94 | 0.04 | 0.03 | 334 | 2.5 | b |
| TYC 741-1565-1 | B2V | 2.26 | 0.03 | 0 | 149 | 3.9 | a |
| HD 62747 | B1.5III | 3.93 | 0.14 | 0 | 100* | 16.2 | c,d |
| HD 309317 | B2V | 2.26 | 0.08 | 0 | 203 | 11.8 | a |
| HD 120307 | B2IV | 2.63 | 0.12 | 0 | 65* | 11.1 | e |
| HD 138690A | B2IV | 2.85 | 0.17 | 0 | 236 | 16.7 | e |
| HD 145482 | B2.5V | 5.77 | 0.15 | 0.19 | 170 | 8.0 | c,d,f,g |
| HD 149834 | B2V | 4.60 | 0.09 | 0.04 | 216 | 5.9 | h |
| HD 152200 | B0V | 4.44 | 0.04 | 240 | 4.3 | i | |
| V1208Sco | B0.5V | 5.22 | 0.17 | 0 | 87 | 0.6 | a |
| HD 154407C | B1V | 2.56 | 0.04 | 0 | 145 | 4.8 | a |
| HD 158926A | B1.5IV | 5.95 | 0.17 | 0.26 | 125 | 11 | j |
| HD 350685 | B1.5V | 2.87 | 0.11 | 0 | 248 | 6.2 | a |
| HD 191495 | B0V | 3.64 | 0.10 | 0 | 201 | 7.6 | b |
| HD 163892 | O9.5IV | 7.84 | 0.18 | 0.04 | 212 | k | |
| HD 165246 | O8V | 4.59 | 0.16 | 0.03 | 253 | 3.3 | l |
| HD 210478 | B1V | 3.81 | 0.15 | 0 | 120* | 10 | m |
Notes. References: (a) this work, (b) Nazé et al. (2023), (c) Pigulski (2024), (d) Simón-Díaz et al. (2017), (e) Jerzykiewicz et al. (2021), (f) Levato et al. (1987), (g) Gullikson et al. (2016), (h) Stassun et al. (2021), (i) Banyard et al. (2023) - the quoted age is the cluster age, (j) Tango et al. (2006) and references therein, (k) Mahy et al. (2022), (l) Johnston et al. (2021), and (m) Çakirli et al. (2014). Asterisks* in the sixth column indicate the synchronized systems. The last three objects may be ZAMS systems rather than nascent ones (see text for details).
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