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$$\vbox{
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\tableno = 17
\tabl Properties of the Five SX~Phe Stars in NGC~5053 \par
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\hfil Property \hfil & NC7     & NC11     & NC13  &  NC14  & NC15   \cr
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\hfil (1) \hfil &"""(2)"""&"""(3)"""&"""(4)"""&"""(5)"""&"""(6)"""\cr
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Period, $P$ (min)          & 53.03   & 50.40     & 49.19   & 56.52  & 51.26  \cr
$P$ (day)                  & 0.03683 & 0.0350    & 0.03416 & 0.03925& 0.0356 \cr
log $P$ (day)              & --1.434 &--1.456    & --1.466 & --1.406& --1.449\cr
$\beta$=$dP/dt$ (10$^{-9}$ d/d)""& --4.39 & 0.0  & +0.42  & -     & -     \cr
Epoch($P$) (2,440,000+)    & 7823    & 8416      & 5678    & 8417  & 8417  \cr
$V_{min}$                  & 19.36   & 19.60:    & 19.50   & 19.44  & 19.60  \cr
$V_{max}$                  & 19.22   & 19.40:    & 19.37   & 19.36  & 19.48  \cr
Amplitude, A$_V$           & 0.14    & 0.15-0.25 & 0.13    & 0.08   & 0.12   \cr
$<$$B$$>$                  &"19.46:  & 19.76     & 19.79   & 19.71  & 19.85  \cr
$<$$B$$>$$_0$              & 19.21   & 19.51     & 19.54   & 19.46  & 19.60  \cr
$<$$V$$>$                  & 19.30   & 19.50     & 19.46   & 19.41  & 19.53  \cr
$<$$V$$>$$_0$              & 19.11   & 19.31     & 19.27   & 19.22  & 19.34  \cr
$<$$B$$>$--$<$$V$$>$       &"0.16:   & 0.26      & 0.33    & 0.30   & 0.32   \cr
$<$$B$$>$$_0$--$<$$V$$>$$_0$ &"0.10: & 0.20      & 0.27    & 0.24   & 0.26   \cr
$T_{\rm eff}$ (K)          & 8500    & 7870      & 7430    & 7605   & 7500   \cr
log $T_{\rm eff}$          & 3.930   & 3.896     & 3.871   & 3.881  & 3.875  \cr
$M_B$(obs)                 & 3.15    & 3.45      & 3.48    & 3.40   & 3.54   \cr
$M_B$(pred)                & 3.12    & 3.47      & 3.49    & 3.36   & 3.46   \cr
$M_V$(obs)                 & 3.07    & 3.27      & 3.23    & 3.18   & 3.30   \cr
$M_V$(pred)                & 2.98    & 3.27      & 3.29    & 3.16   & 3.25   \cr
B.C. (=$M_{bol}$--$M_V$)   & --0.05  & --0.05    & --0.05  & --0.05 & --0.05 \cr
$m_{bol}$                  & 19.06   & 19.26     & 19.22   & 19.17  & 19.29  \cr
$M_{bol}$                  & 2.93    & 3.22      & 3.24    & 3.11   & 3.20   \cr
log $L_{SX}$/$L_{\mathord\odot}$ & 0.732   & 0.616     & 0.608   & 0.660  & 0.624  \cr
$L_{SX}$/$L_{\mathord\odot}$& 5.40    & 4.13      & 4.06    & 4.57   & 4.21   \cr
Pulsation Mode             & 1st o/t & Fund.     & Fund.   & Fund.  & Fund.  \cr
${\cal M}_{SX}$(puls)/${\cal M}_{\mathord\odot}$  & 0.53 & 1.10 & 1.58 & 1.25 & 1.46 \cr
${\cal M}_{SX}$(rel RR)/${\cal M}_{\mathord\odot}$ & 0.64 & 1.18 & 1.85 & 1.30 & 1.46   \cr
${\cal M}_{SX}$(rel RR)/${\cal M}_{RR}$ & 0.85 & 1.57 & 2.46 & 1.74 & 1.95 \cr
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\multispan{6}{\hfil Notes to Table 17 \hfil} \cr
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\multispan{6}{The following general assumptions were made: $M_{bol}$(Sun)=+4.76; \hfil} \cr
\multispan{6}{ [Fe/H]=--2.41 dex for every star in NGC~5053; \hfil} \cr
\multispan{6}{$E$($B$--$V$)=0.06, $A_V$=3.1$\times$$E$($B$--$V$)=0.19,
         $A_B$=4.1$\times$$E$($B$--$V$)=0.25;\hfil} \cr
\multispan{6}{Note that the periods given by NNL for the SX~Phe stars were
 \hfil} \cr
\multispan{6}{preliminary estimates and differ slightly from those reported
here. \hfil} \cr
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