SkyMapper Southern Survey: Second data release (DR2)
SkyMapper Southern Survey: Second data release (DR2)
Abstract We present the second data release (DR2) of the SkyMapper Southern Survey, a hemispheric survey carried out with the SkyMapper Telescope at Siding Spring Observatory in Australia, using six optical filters: u, v, g, r, i, z . DR2 is the first release to go beyond the $\sim\!18$ mag …