Blar i forfatter Fakultet for naturvitenskap og teknologi "Østensen, Roy"

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    • K2 Campaign 5 observations of pulsating subdwarf B stars: Binaries and super-Nyquist frequencies 

      Reed, Michael D; Armbrecht, EL; Telting, John H; Baran, Andrzej S; Østensen, Roy; Blay, Pere; Kvammen, Andreas; Kuutma, Teet; Pursimo, Tapio; Ketzer, Laura; Jeffery, C. Simon (Journal article; Tidsskriftartikkel; Peer reviewed, 2017-12-05)
      We report the discovery of three pulsating subdwarf B stars in binary systems observed with the <i>Kepler</i> space telescope during Campaign 5 of K2. EPIC 211696659 (SDSS J083603.98+155216.4) is a g-mode pulsator with a white dwarf companion and a binary period of 3.16 d. EPICs 211823779 (SDSS J082003.35+173914.2) and 211938328 (LB 378) are both p-mode pulsators with main-sequence F companions. The ...