All Figures

$\begin{figure} \par\includegraphics[height=9.5cm]{7810fig1.eps} \end{figure}$ Figure 1: a) Trailing and leading structures of spiral galaxies. Spiral arms can be distinguished according to their orientation relative to the direction of rotation of the galaxy. The outer tip of a leading arm galaxy points towards the direction of galactic rotation, whereas the trailing arm is one whose outer tip directs in the direction opposite to the galactic rotation. b) An example of ``S'' and ``Z'' arm pattern galaxies in our database. The name and the RV of the galaxies are given in the image.
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In the text

$\begin{figure} \par\includegraphics[height=4.2cm]{7810f02a.eps} \includegraphics... ...3.85cm]{7810f02b.eps} \includegraphics[height=4.1cm]{7810f02c.eps} \end{figure}$ Figure 2: All-sky distribution of the total a), LSC (RV < 3000 km s^-1) b), and nearby LSC galaxies (3000 $\leq$ RV (km s^-1) < 5000) c). The symbols `` $\times$ '' (``+'') and `` $\triangle$ '' (`` $\nabla$ '') represent the trailing (leading) patterns in the nearby LSC and LSC galaxies, respectively.
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In the text

$\begin{figure} \par\mbox{\includegraphics[height=4.1cm]{7810f03a.eps} \includegr... ...1cm]{7810f03g.eps} \includegraphics[height=4.1cm]{7810f03h.eps} } \end{figure}$ Figure 3: The RV a), b), inclination angle c), d), major diameter e), f) and the magnitude distribution g), h) of the leading and the trailing patterns in the LSC and nearby LSC galaxies. The statistical $\pm$ 1 $\sigma$ error bars are shown for the trailing ( $\bullet$ ) subsample. The solid line c), d) represents the expected distribution.
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In the text

$\begin{figure} \par\includegraphics[height=3.5cm]{7810fig4.eps} \end{figure}$ Figure 4: The basic statistics of the leading and trailing patterns in the subsamples. The X-axis represents the number corresponding to the subsample listed in the second column of Table 2. See Table 1 for the explanation of $\Delta$ . The grey-shaded region ( $\Delta$ $\leq$ $\pm$ 5%) represents the region of chiral symmetry.
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In the text

$\begin{figure} \par\includegraphics[height=3.9cm]{7810f05a.eps} \includegraphics[height=3.9cm]{7810f05b.eps} \end{figure}$ Figure 5: The expected polar ( $\theta$ ) a) and azimuthal angle ( $\phi$ ) distribution b). The solid and the dashed line represent the expected distribution curves for LSC (RV $\leq$ 3000 km s^-1) and nearby LSC (3000 < RV (km s^-1) $\leq$ 5000) galaxies. The dotted line represents expected distribution when there are no selections on inclination angle and positions.
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In the text

$\begin{figure} \par\mbox{\includegraphics[height=4cm]{7810f06a.eps} \includegrap... ...t=4cm]{7810f06e.eps} \includegraphics[height=4cm]{7810f06f.eps} } \end{figure}$ Figure 6: The polar ( $\theta$ ) and azimuthal angle ( $\phi$ ) distribution of leading and trailing patterns in the LSC (RV $\leq$ 3000 km s^-1) galaxies. The symbols `` $\bullet$ '' (solid circle) and `` $\circ$ '' (hollow circle) represent the observed distribution of the leading and trailing patterns, respectively. The statistical $\pm$ 1 $\sigma$ error bars are shown. The solid and dashed line represent the expected distribution for leading and trailing type galaxies, respectively. In the histogram, $\theta$ = 0 $^{\circ }$ (90 $^{\circ }$ ) means the SV of galaxies tend to be oriented parallel (perpendicular) with respect to the LSC. For azimuthal angle, $\phi$ = 0 $^{\circ }$ means the SV projections tend to direct towards the LSC center (or Virgo cluster center).
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In the text

$\begin{figure} \par\mbox{\includegraphics[height=4cm]{7810f07a.eps} \includegrap... ...t=4cm]{7810f07e.eps} \includegraphics[height=4cm]{7810f07f.eps} } \end{figure}$ Figure 7: The polar ( $\theta$ ) and azimuthal angle ( $\phi$ ) distributions of leading and trailing pattern in the nearby LSC (3000 < RV (km s^-1) $\leq$ 5000) galaxies. Symbols as in Fig. 6.
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In the text

$\begin{figure} \par\mbox{\includegraphics[height=4.1cm]{7810f08a.eps} \includegr... ...m]{7810f08g.eps} \includegraphics[height=4.1cm]{7810f08h.eps} } \end{figure}$ Figure 8: The polar ( $\theta$ ) and azimuthal angle ( $\phi$ ) distributions of leading and trailing pattern in the total (LSC + nearby LSC) galaxies. Symbols as in Fig. 6.
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In the text

$\begin{figure} \par\includegraphics[height=5cm]{7810f09a.eps} \includegraphics[height=5cm]{7810f09b.eps} \end{figure}$ Figure 9: A comparison between the chiral symmetry ( $\Delta$ %) and the preferred alignment ( $\Delta _{11}$ / $\sigma (\Delta _{11}$ )) in the polar ( $\theta$ ) and azimuthal ( $\phi$ ) angle distribution of leading and trailing samples and subsamples. Error bars as in Fig. 4.
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In the text

$\begin{figure} \par\includegraphics[height=4.2cm]{7810f02a.eps} \includegraphics... ...3.85cm]{7810f02b.eps} \includegraphics[height=4.1cm]{7810f02c.eps} \end{figure}$	Figure 2: All-sky distribution of the total a), LSC (RV < 3000 km s^-1) b), and nearby LSC galaxies (3000 $\leq$ RV (km s^-1) < 5000) c). The symbols `` $\times$ '' (``+'') and `` $\triangle$ '' (`` $\nabla$ '') represent the trailing (leading) patterns in the nearby LSC and LSC galaxies, respectively.
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$\begin{figure} \par\mbox{\includegraphics[height=4.1cm]{7810f03a.eps} \includegr... ...1cm]{7810f03g.eps} \includegraphics[height=4.1cm]{7810f03h.eps} } \end{figure}$	Figure 3: The RV a), b), inclination angle c), d), major diameter e), f) and the magnitude distribution g), h) of the leading and the trailing patterns in the LSC and nearby LSC galaxies. The statistical $\pm$ 1 $\sigma$ error bars are shown for the trailing ( $\bullet$ ) subsample. The solid line c), d) represents the expected distribution.
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$\begin{figure} \par\includegraphics[height=3.5cm]{7810fig4.eps} \end{figure}$	Figure 4: The basic statistics of the leading and trailing patterns in the subsamples. The X-axis represents the number corresponding to the subsample listed in the second column of Table 2. See Table 1 for the explanation of $\Delta$ . The grey-shaded region ( $\Delta$ $\leq$ $\pm$ 5%) represents the region of chiral symmetry.
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$\begin{figure} \par\includegraphics[height=3.9cm]{7810f05a.eps} \includegraphics[height=3.9cm]{7810f05b.eps} \end{figure}$	Figure 5: The expected polar ( $\theta$ ) a) and azimuthal angle ( $\phi$ ) distribution b). The solid and the dashed line represent the expected distribution curves for LSC (RV $\leq$ 3000 km s^-1) and nearby LSC (3000 < RV (km s^-1) $\leq$ 5000) galaxies. The dotted line represents expected distribution when there are no selections on inclination angle and positions.
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$\begin{figure} \par\mbox{\includegraphics[height=4cm]{7810f07a.eps} \includegrap... ...t=4cm]{7810f07e.eps} \includegraphics[height=4cm]{7810f07f.eps} } \end{figure}$	Figure 7: The polar ( $\theta$ ) and azimuthal angle ( $\phi$ ) distributions of leading and trailing pattern in the nearby LSC (3000 < RV (km s^-1) $\leq$ 5000) galaxies. Symbols as in Fig. 6.
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$\begin{figure} \par\mbox{\includegraphics[height=4.1cm]{7810f08a.eps} \includegr... ...m]{7810f08g.eps} \includegraphics[height=4.1cm]{7810f08h.eps} } \end{figure}$	Figure 8: The polar ( $\theta$ ) and azimuthal angle ( $\phi$ ) distributions of leading and trailing pattern in the total (LSC + nearby LSC) galaxies. Symbols as in Fig. 6.
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$\begin{figure} \par\includegraphics[height=5cm]{7810f09a.eps} \includegraphics[height=5cm]{7810f09b.eps} \end{figure}$	Figure 9: A comparison between the chiral symmetry ( $\Delta$ %) and the preferred alignment ( $\Delta _{11}$ / $\sigma (\Delta _{11}$ )) in the polar ( $\theta$ ) and azimuthal ( $\phi$ ) angle distribution of leading and trailing samples and subsamples. Error bars as in Fig. 4.
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