Probing cosmic isotropy with a new X-ray galaxy cluster sample through the LX–T scaling relation K. Migkas, G. Schellenberger, T. H. Reiprich, F. Pacaud, M. E. Ramos-Ceja and L. Lovisari A&A, 636 (2020) A15 Published online: 08 April 2020 DOI: 10.1051/0004-6361/201936602