All Tables

Table 1: Observations.
Table 2: Journal of the optical spectroscopic observations.
Table 3: Comparison of basic VLA and Arecibo H I observational data.
Table 4: Basic properties of the sample galaxies.
Table 5: Absolute magnitudes and colours.
Table 6: Extinction-corrected emission line flux ratios with respect to H $\beta$ $^\dagger$ .
Table 7: Photometric results and structural properties of the galaxies with definite optical counterparts^a.
Table 8: Oxygen abundances ( $12 + \log$ O/H).