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Table 6:

Spectroscopic orbital solutions for EW Ori determined from re-analyses of the radial velocity observations by Popper et al. (1986) and Imbert (2002).

Parameter: 		Popper et al. Imbert (adopted)
Adjusted quantities:    
$K_{\rm p}$ (km s-1) $ 73.18 \pm 0.41$ $72.26 \pm 0.24$
$K_{\rm s}$ (km s-1) $ 75.46 \pm 0.43$ $75.44 \pm 0.31$
$\gamma_{\rm p}$ (km s-1) $ -7.03 \pm 0.37$ $-6.00 \pm 0.18$
$\gamma_{\rm s}$ (km s-1) $ -7.21 \pm 0.39$ $-5.40 \pm 0.24$
Adopted quantities:    
P (days) 6.93684324 6.93684324
T (HJD-2 400 000)a 51877.8014 51877.8014
$T_{\rm p}$ (HJD-2 400 000)b 51875.1968 51875.1968
e 0.0758 0.0758
$\omega$  ($^\circ$) 309.1 309.1
Derived quantities:    
$M_{\rm p} \sin^3i~{(M_{\odot})}$ $1.188 \pm 0.015$ $1.173 \pm 0.010$
$M_{\rm s} \sin^3i~{(M_{\odot}})$ $1.152 \pm 0.014$ $1.123 \pm 0.009$
$q = M_{\rm s}/M_{\rm p}$ $0.970 \pm 0.008$ $0.958 \pm 0.005$
$a \sin i~{(R_{\odot})}$ $20.313 \pm 0.081$ $20.184 \pm 0.054$
Other quantities    
pertaining to the fit:    
Nobs (p/s) 17/17 25/24
Time span (days) 1897 1857
$\sigma_{\rm p}$c  (km s-1) 1.53 0.91
$\sigma_{\rm s}$c  (km s-1) 1.62 1.16

Notes. (a) Time of periastron; (b) time of central primary eclipse; (c) standard deviation of a single radial velocity.


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