\begin{table}%t4
\caption{\label{tab:abundances}Abundances of SN 1987 A.}
\begin{tabular}{lrrrrrr}
\hline\hline\noalign{\smallskip}
\multicolumn{1}{c}{ } &
\multicolumn{1}{c}{2vpshock} &	
\multicolumn{1}{c}{sedov+po} &
\multicolumn{1}{c}{H08} &
\multicolumn{1}{c}{Z09} &	
\multicolumn{1}{c}{LF96} &
%\multicolumn{1}{c}{R92} &
\multicolumn{1}{c}{H98} \\
\noalign{\smallskip}\hline\noalign{\smallskip}   
N&	$\rm 1.385_{-0.057}^{+0.044}$ & $\rm	3.34_{-0.19}^{+0.34}$&	0.54	&	0.83	&	2.37	&		\vspace{1mm}\\	
O&	$\rm 0.128_{-0.002}^{+0.002}$ & $\rm	0.40_{-0.01}^{+0.01}$&	0.05	&	0.14	&	0.33	&	0.33	\vspace{1mm}\\	
Ne&	$\rm 0.338_{-0.006}^{+0.004}$ & $\rm 1.00_{-0.03}^{+0.03}$&  0.20	&	0.41	&	0.63	&	0.41	\vspace{1mm}\\  
 Mg&	$\rm0.291_{-0.007}^{+0.008}$ & $\rm 0.71_{-0.03}^{+0.04}$&  0.17	&	0.42	&		&	0.48	\vspace{1mm}\\  
 Si&	$\rm0.516_{-0.016}^{+0.018}$ & $\rm 1.01_{-0.04}^{+0.08}$&  0.48	&	0.63	&	0.91	&	0.59	\vspace{1mm}\\  
S  &	$\rm0.451_{-0.041}^{+0.039}$ & $\rm 1.56_{-0.19}^{+0.29}$&  0.59	&	0.40	&	0.46	&	0.48	\vspace{1mm}\\  
 Fe&	$\rm0.224_{-0.002}^{+0.003}$ & $\rm 0.46_{-0.01}^{+0.10}$&  0.09	&	0.33	&	1.12	&	0.38	\\	
\hline
\end{tabular}
\tablefoot{Abundances relative to \citet{2000ApJ...542..914W}.
2vpshock: two-component plane-parallel shock model fitted simultaneously to all 12 spectra (this study);
sedov+po: Sedov model with non-thermal component fitted to the 2009 data (this study);
H08:  EPIC-pn 2007 \citep{2008ApJ...676..361H} VPSHOCK+VPSHOCK W00 model;
Z09:  Chandra results \citep{2009ApJ...692.1190Z};
LF96: Inner ring \citep{1996ApJ...464..924L};
H98:  LMC-average \citep{1998ApJ...505..732H}.}
\end{table}