Fig. 3
The HI 21 cm line profiles of the 30 Local Void galaxies detected with Nançay radiotelescope and of the possibly detected one (UGC 11198). The horizontal axis is the radial velocity in km s-1 and the vertical axis is the flux density in mJy. The hanning and boxcar smoothing are applied and the subtraction of the polynomial fitted baseline is made.
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