Amplitude and lifetime of radial modes in red giant star spectra observed by KeplerM. Vrard, T. Kallinger, B. Mosser, C. Barban, F. Baudin, K. Belkacem and M. S. CunhaA&A, 616 (2018) A94DOI: https://doi.org/10.1051/0004-6361/201732477