\begin{table}%t1 \caption{\label{Tab:obs}Properties of IC~10.} %\centerline {\small \begin{tabular}{lll} \hline \hline \noalign{\smallskip} Hubble type & Irr~IV & 1\\ Distance & 740 kpc & 2\\ Dynamical mass & $\sim$$1.7\times10^{9}~M_{\odot}$ & 3 \\ Stellar mass & $\sim$$(4{-}6)\times10^{8}~M_{\odot}$ & 4, 5, 6 \\ \hi\ mass & $\sim$$(1.7{-}2.3)\times10^{8}~M_{\odot}$ & 6, 7, 8, 9, 10 \\ H$_2$ mass & $1\times10^7~M_{\odot}$ & 1\\ gas fraction & $\sim$$0.22{-}0.36$ & \\ $\log$(O/H) + 12 & $8.2{-}8.3$ &11, 12, 13, 14, 15\\ $[$Fe/H$]_{\rm RGB}$ & $-1.1$ &16 \\ {SFR}$_{\rm H\alpha }$ & $0.2~M_{\odot }$ yr$^{-1}$ &7, 17\\ {SFR}$_{\rm FIR}$ & $0.05~M_{\odot }$ yr$^{-1}$ &18, 19\\ {SFR}$_{1.4~\rm GHz}$ &$0.07~M_{\odot }$ yr$^{-1}$ &19, 20\\ {SFR}$_{\rm PNe}$ & $0.02{-}0.04~M_{\odot }$ yr$^{-1}$ &14\\ \hline \end{tabular}} \tablebib{(1) van den Bergh (\cite{vdb00}); (2) Demers et~al. (\cite{demers04}); (3) Mateo (\cite{mateo98}); (4) Jarrett et~al. (\cite{jarrett03}); (5) Sakai et~al. (\cite{sakai99}); (6) Vaduvescu et~al. (\cite{vaduvescu07}); (7) Gil de Paz et~al. (\cite{gil03}); (8) Huchtmeier et~al. (\cite{huchtmeier79}); (9) Wilson et~al. (\cite{wilson96}); (10) Garnett (\cite{garnett02}); (11) Lequeux et~al. (\cite{lequeux79}); (12) Garnett (\cite{garnett90}); (13) Richer et~al. (\cite{richer01}); (14) MG09; (15) Lozinskaya et~al. (\cite{loz09}); (16) Kim et~al. (\cite{kim09}); (17) Kennicutt et~al. (\cite{kennicutt94}); (18) Melisse \& Israel (\cite{melisse94}); (19) Bell (\cite{bell03}); (20) White \& Becker (\cite{white92}).}\vspace*{-1.5mm} \end{table}