XXL Survey Data Release II

XXL Survey, the largest observational program that has been carried out with the ESA’s XMM-Newton satellite, has released it’s second data release. Associated Press Release can be found in ESA’s website.

XMM-Newton_XXLS_Optical_600w XMM-Newton_XXLS_Xray_600w

With the current release there are 20 associated papers published in a special issue of Astronomy & Astrophysics. Based on the analyses obtained cosmological parameters are in good agreement with the standart model of cosmology which implies an acceleration due to Einstein’s gravitational constant.