Fig. 3.
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FUV−NUV and NUV−r colour colour map plotted with integrated colours (green points) of final sample (18 galaxies) upto R25 scale length (radii at which surface brightness reaches 25 mag arcsec−2 in the B-band). The median value for the sample is shown in purple. This UV-Optical colour-colour map is used to distinguish UV emission coming from both young stellar population and horizontal branch old stellar population. Out of 18 galaxies, 1 galaxy lies in UV weak and close to UV upturn, while the other 17 galaxies lie in star-forming region. This signifies that the galaxies of our sample are indeed star-forming.
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