Fig. 2.

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Spectra of two galaxies (G2 and G3) in xclass1365 as observed with MISTRAL. The redshift measurements are based on the main absorption lines detected and identified using the template spectrum of an early-type galaxy (in orange, redshifted to z = 0.1554 for G2 and z = 0.1593 for G3 as measured with the cross-correlation tool fxcor). The intensities are in arbitrary units, and neither spectrum is flux calibrated. The shaded areas correspond to atmospheric absorption lines except around 5700 Å, where there is a defect in the MISTRAL optics. Both spectra have been graded with a confidence level of 3 for the redshift measurement.
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