\begin{tikzpicture}[x=1ex,y=1ex,baseline={([yshift=-.5ex]current bounding box.center)}]
    \coordinate (v) ;
    \def \rad {1.5}
    \coordinate (s1) at ([shift=(0:1.2)]v);
    \coordinate (s2) at ([shift=(120:\rad)]v);
    \coordinate (s3) at ([shift=(240:\rad)]v);
    \coordinate [right=.7 of s1] (o);

    \draw (v) to[out=180,in=210] (s2) to[out=30,in=60] (v);
    \draw (v) to[out=300,in=330] (s3) to[out=150,in=180] (v);

    \draw (v) -- (s1);
    \filldraw (v) circle (1pt);
    \filldraw (s1) circle (1pt);
    \draw (o) circle(.7);
\end{tikzpicture}%
