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Table 3
Orbital and physical parameters of AK For.
| AK For | Primary | Secondary | ||
| Parameter | Value | ± | Value | ± |
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| Radial velocity fit | ||||
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| P [d] | 3.9809913 ± 0.0000045 | |||
| T0 [JD] | 2 451 903.2681 ± 0.0045 | |||
| K [km s-1] | 70.471 | 0.031 | 77.136 | 0.051 |
| γ [km s-1] | 2.667 | 0.028 | 2.516 | 0.115 |
| Msin3(i) [M⊙ ] | 0.6937 | 0.0010 | 0.6336 | 0.0008 |
| 2F–EC [km s-1] | –0.037 | 0.032 | 0.133 | 0.073 |
| 2F–3H [km s-1] | 0.0 | – | 0.0 | – |
| rms [km s-1] | 0.082 | 0.096 | ||
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| SME spectral analysis | ||||
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| Teff [K] | 4690 | 100 | 4390 | 150 |
| [M/H] | –0.29 | 0.05 | –0.10 | –0.05 |
| v sin (i) [km s-1] | 9.52 | 0.22 | 8.27 | 0.42 |
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| Light curve fita | ||||
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| i [°] | 87.428 ± 0.080 | |||
| r [ R/a ] | 0.0591 | 0.0017 | 0.0524 | 0.0014 |
| JASAS | 0.528 ± 0.028 | |||
| JSW | 0.592 ± 0.030 | |||
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| Adopted physical parameters | ||||
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| a [R⊙] | 11.6318 ± 0.0047 | |||
| M [M⊙ ] | 0.6958 | 0.0010 | 0.6355 | 0.0007 |
| R [R⊙ ] | 0.687 | 0.020 | 0.609 | 0.016 |
| log g | 4.607 | 0.025 | 4.673 | 0.023 |
| vrot [km s-1]b | 8.72 | 0.25 | 7.73 | 0.21 |
| log (L/L⊙) | –0.687 | 0.045 | –0.908 | 0.064 |
| Mbol [mag] | 6.47 | 0.11 | 7.02 | 0.16 |
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| From and based on Hipparcos | ||||
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| d [pc] | 31.1 ± 1.1 | |||
| MV [mag] | 7.06 | 0.08 | 7.91 | 0.09 |
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| From JKTABSDIM | ||||
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| d [pc] | 32.4 ± 1.6 | |||
| MV [mag] | 6.91 | 0.17 | 7.68 | 0.27 |
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