Table 2.
Sine fits to narrow-line radial velocities using the (Hellier & Sproats 1992; HS92) linear orbital ephemeris as reference.
| Ion | λNIST |  |
ϕ0 | γ | χ2/d.o.f. |
|---|---|---|---|---|---|
| (@@@) | (km s−1 ) | (km s−1 ) | |||
| Ca II | 8498.020 | 357.2 ± 5.0 | 0.0091(26) | −57.8 ± 3.8 | 6.5/7 |
| Fe I | 4957.596 | 346.3 ± 4.2 | 0.0109(22) | −59.5 ± 3.2 | 6.5/7 |
| Si I | 3905.525 | 346.0 ± 5.0 | 0.0070(28) | −54.3 ± 4.2 | 8.5/8 |
Notes. The columns give the NIST wavelength, the velocity amplitude, the observed phase offset of the zero crossing from HS92 (see text), the systemic velocity, and χ2 for the quoted number of degrees of freedom.
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