Orbital periods of cataclysmic variables identified by the SDSS - VI. The 4.5-h period eclipsing system SDSS J100658.40+233724.4

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Table 3:

Best-fitting spectroscopic orbits found using SBOP.
Orbital period (d)	0.18591324 (fixed)
Eccentricity	0.0 (fixed)
Emission-line radial velocities:
Reference time (HJD)	2454497.6411 $\pm$ 0.0023
Velocity amplitude K₁ ( km s^-1)	127.1 $\pm$ 4.6
Systemic velocity ( km s^-1)	-20.2 $\pm$ 6.0
$\sigma _{\rm rms}$ ( km s^-1)	20.1
Absorption-line radial velocities:
Reference time (HJD)	2454497.63381 (fixed)
Measured K₂ ( km s^-1)	276 $\pm$ 7
Corrected $K_{\rm MD}$ ( km s^-1)	258 $\pm$ 12
Systemic velocity ( km s^-1)	-20 $\pm$ 10
$\sigma _{\rm rms}$ ( km s^-1)	20.8

The reference times are time of maximum negative rate of change of RV. The uncertainties include both random and systematic contributions.

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