\def\cr{\crcr\noalign{\maybeskip}}

\begin{table}[ht]
\fontfamily{ppl}\selectfont
\begin{tabular}{llll}
\toprule
    Band number & Sentinel-2A & Sentinel-2B & Spatial resolution \\
\midrule
  1&         442.7 nm & 442.2 nm & 60 m & \cr
  2&         492.4 nm & 492.1 nm & 10 m & \cr
  3&         559.8 nm & 559.0 nm & 10 m & \cr
  4&         664.6 nm & 664.9 nm & 10 m & \cr
  5&         704.1 nm & 703.8 nm & 20 m & \cr
  6&         740.5 nm & 739.1 nm & 20 m & \cr
  7&         782.8 nm & 779.7 nm & 20 m & \cr
  8&         832.8 nm & 832.9 nm & 10 m & \cr
  8a&        864.7 nm & 864.0 nm & 20 m & \cr
  9&         945.1 nm & 943.2 nm & 60 m & \cr
  10&        1373.5 nm & 1376.9 nm & 60 m & \cr
  11&        1613.7 nm & 1610.4 nm & 20 m & \cr
  12&        2202.4 nm & 2185.7 nm & 20 m & \cr
\bottomrule
\end{tabular}
\caption{The various band numbers and their respective central wavelength (nm).}
\label{tab:S2_wavelength}
\end{table}