\begin{table}%t1
\caption{NGC~4636 basic data compiled from the literature 
(1)~NED,
(2)~Tonry et~al. (\cite{2001ApJ...546..681T}), 
(3)~this work,
(4)~R3C, 
(5)~Dirsch et~al. (\cite{boris}), 
(6)~Bender et~al. (\cite{1994MNRAS.269..785B}),  
(7)~Idiart et~al. ({\cite{2003AetA...398..949I}}),
(8)~Forman et~al. (\cite{1985ApJ...293..102F}), and
(9)~Loewenstein et~al. (\cite{2001ApJ...555L..21L}).} 
\label{properties}
%\centering
\small
\begin{tabular}{lll}
\hline
\hline
Other names &UGC~07878, VCC~1939&\\ \hline
Position (J2000) & $12~\fh~ 42~ \fm ~50~ \fs$  $+02~ \fdg 41
\farcm 17 \farcs$& (1)\\
Galactic coordinates  &     $ l=297.75^\circ$  $b = 65.47^\circ$& \\
\hline
SBF distance modulus &$(m-M)= 30.83\pm 0.13$&(2)\\ 
Distance & $D=15~{\rm Mpc}$&\\
Scale & 1\arcsec~= 73~pc$\quad$  1\arcmin~= 4.4~kpc&\\
GCLF distance modulus &$(m-M)= 31.24\pm 0.17$&(5)\\
\hline
Heliocentric velocity&$\varv_{{\rm helio}}= 906 \pm7~{\rm km~s}^{-1}$& (3)\\
Hubble type & E0+ & (4) \\
Ellipticity &$\epsilon = 0.15$ &(6)\\
Position angle  & $PA=145^\circ$& (5)  \\
Effective radius &${R_{{\rm e}}}=101\farcs~7~({=}7.5~{\rm kpc})$ & (7)\\
\hline
Blue magnitude & $B_{\rm{T}}=10.43 $ & (4)\\
Total apparent magnitude &T1 $=8.70\pm 0.05$  & (5)\\
\hline
Metallicity&$[{\rm Fe/H} ] = -0.01$~dex & (7)\\
X-ray luminosity&$L_{{\rm X}}=1.78\pm 0.10\times\!10^{~41}~{\rm erg/s}$&  (8)\\
Nuclear X-ray emission & $\leq$$2.7\times 10^{~38}~{\rm erg/s}$ &(9)\\
\hline
\end{tabular}
\end{table}