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Table 1:

Main orbital elements of WR 22 from the two most recent solutions.
  Rauw et al. (1996) Schweickhardt et al. (1999)
Parameter Value Std Deviation Value Std Deviation
P (days) 80.325 0.010 80.336 0.0013
e 0.559 0.013 0.598 0.010
$\gamma_{{\rm WR}}$(km s-1) -29.8 1.0 0(adopted) 15.
$\gamma_{{\rm O}}$(km s-1) +21.3 10.4 0(adopted) 15.
$K_{{\rm WR}}$(km s-1) 72.3 1.48 70.6 0.8
$K_{{\rm O}}$(km s-1) 201.4 14.8 190.0 10.0
$\omega$(degree) 271.6 2.8 268.2 1.6
T0 (HJD 2400000+)1 49324.17 0.30 50127.47 0.14
$a_{{\rm WR}} \sin i$(106 km) 66.3 1.5 62.5 0.9
$a_{{\rm O}} \sin i$(106 km) 185.0 14.8 168.2 9.0
$q = M_{{\rm WR}}/M_{{\rm O}}$ 2.78 0.21 2.69 0.14
$M_{{\rm WR}} \sin^3 i$($M_{\odot}$) 71.7 11.0 55.3 7.3
$M_{{\rm O}} \sin^3 i$($M_{\odot}$) 25.7 2.3 20.6 1.7
$T_{\rm eclipse}$(HJD 2400000+) 49324.09 0.30 50127.55 0.14
1 The time of periastron passage.


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