Cosmography by orthogonalized logarithmic polynomials G. Bargiacchi, G. Risaliti, M. Benetti, S. Capozziello, E. Lusso, A. Saccardi and M. Signorini A&A, 649 (2021) A65 Published online: 13 May 2021 DOI: 10.1051/0004-6361/202140386