TableColumn column = _table.getColumn(_tableQueryResult.getColumnName(col));
// linked fields are displayed as buttons that download and display the item behind the link
if (field.hasLink()) {
// Add SAMP/PLASTIC features to download
column.setCellRenderer(new UrlTableCellRenderer(field, _tableQueryResult, _queryResultDisplay));
column.setCellEditor(new UrlTableCellRenderer(field, _tableQueryResult, _queryResultDisplay));
} else if (field.isRA()) {
// RA,DEC coordinates are displayed in sexagesimal (hh:mm:ss.sss) notation
column.setCellRenderer(new SexagesimalTableCellRenderer(true));
column.setCellEditor(new SexagesimalTableCellEditor(true));
} else if (field.isDec()) {