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Lares-Martiz, M. S. Cunha, M. Skarka, O. Kochukhov, P. A. Ko{\\l}aczek-Szyma\\'nski, P. De Cat, P. Quitral-Manosalva, R. Szab\\'o, S. Seager, T. Richey-Yowell, V. Antoci, W. W. Weiss, Z. Guo, Zs. Bogn\\'ar","submitted_at":"2019-06-03T22:44:55Z","abstract_excerpt":"We present the first results from the Transiting Exoplanet Survey Satellite (TESS) on the rotational and pulsational variability of magnetic chemically peculiar A-type stars. We analyse TESS 2-min cadence data from sectors 1 and 2 on a sample of 83 stars. Five new rapidly oscillating Ap (roAp) stars are announced. One of these pulsates with periods around 4.7 min, making it the shortest period roAp star known to date. Four out of the five new roAp stars are multiperiodic. Three of these, and the singly-periodic one show the presence of rotational mode splitting. 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