Unveiling the power spectra of δ Scuti stars with TESS - The temperature, gravity, and frequency scaling relationS. Barceló Forteza, A. Moya, D. Barrado, E. Solano, S. Martín-Ruiz, J. C. Suárez and A. García HernándezA&A, 638 (2020) A59DOI: https://doi.org/10.1051/0004-6361/201937262