Fig. 4
21-cm absorption spectra of zabs = 1.2753 Mg ii absorber towards J1408 − 0752. Top panel shows the higher resolution (1.9 km s-1) spectrum taken on 22/1/2010 and bottom panel shows the lower resolution (3.8 km s-1) spectrum taken on 21/6/2009. The 22/1/2010 spectrum smoothed to the resolution of 21/6/2009 spectrum is also plotted (dashed line) in the bottom panel. The shaded region corresponds to the RFI affected spectral range in the higher resolution spectrum.
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