Table 5: C18O ( $J=1\rightarrow 0$), and HC3N ( $J=12\rightarrow 11$) line and physical parameters toward the continuum peak position of OVRO 2 in L1206

Molecule &		 $V_{\rm LSR}$ FWHM $T_{\rm B}$ $\int{T_{\rm B}~{\rm d}V}$ $\theta^a$ $M_{\rm vir}^b$
transition (km s-1) (km s-1) (K) (K km s-1) (arcsec) ($M_{\odot}$)

C18O ( $J=1\rightarrow 0$)		 $-10.74\pm0.02$ $2.34\pm0.04$ $2.94\pm0.31$ $7.31\pm0.13$ 8.8 10.6-14.2
HC3N ( $J=12\rightarrow 11$) $-10.86\pm0.03$ $1.83\pm0.07$ $2.68\pm0.10$ $5.22\pm0.17$ 11.4 13.4-17.8
a Deconvolved geometrical mean of the major and minor axes of the half-peak intensity contour.
b Estimated from Eq. (5) for typical density distributions with p=2.0-1.5.

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