![Star formation density as a function of redshift Star formation density as a function of log(z+ 1). Our results are the black dots and only for low-mass galaxies. Blue circles are data from the literature for high-mass galaxies.](/sites/default/files/styles/crop_square_2_2_to_320px/public/images/news/fig4.png?h=1ed05f0b&itok=vmWWUx9y)
We present the analysis of a sample of Halpha, Hbeta and [OII] emission line galaxies from the OTELO survey, with masses typically below log(M */Msun) = 9.4 and redshifts between 0.4
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