Spatially resolved maps of the Brγ emission line of J1140-0024. Left: Brγ intensity map with as contours the K_s band continuum flux created by convolving the datacube with the 2MASS K_s response curve. The grey circle represents the FWHM of the observed PSF as derived in Sect. 5.1. The 1 kpc scale bar at the top is derived using the observed redshift and the cosmological parameters of Planck Collaboration XIII (2016). Middle: Brγ velocity map constructed from a single Gaussian fit. Right: Observed velocity dispersion map corrected for the instrumental resolution. This map is not corrected for beam smearing (Sect. 5.1). As the beam smearing correction only has a minor effect on the velocity dispersion maps we have chosen to show the observed maps before correction.