KIC 4768731: a bright long-period roAp star in theKeplerfield | Zendy

B. Smalley | Zendy; E. Niemczura | Zendy; Simon J. Murphy | Zendy; H. Lehmann | Zendy; D. W. Kurtz | Zendy; Daniel L. Holdsworth | Zendy; M. S. Cunha | Zendy; L. A. Balona | Zendy; M. Briquet | Zendy; H. Bruntt | Zendy; P. De Cat | Zendy; P. Lampens | Zendy; A. O. Thygesen | Zendy; K. Uytterhoeven | Zendy

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KIC 4768731: a bright long-period roAp star in theKeplerfield

Author(s) -

B. Smalley,

E. Niemczura,

Simon J. Murphy,

H. Lehmann,

D. W. Kurtz,

Daniel L. Holdsworth,

M. S. Cunha,

L. A. Balona,

M. Briquet,

H. Bruntt,

P. De Cat,

P. Lampens,

A. O. Thygesen,

K. Uytterhoeven

Publication year - 2015

Publication title -

monthly notices of the royal astronomical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 2.058

H-Index - 383

eISSN - 1365-8711

pISSN - 0035-8711

DOI - 10.1093/mnras/stv1515

Subject(s) - physics , astrophysics , rotation period , photometry (optics) , amplitude , spectral line , stars , asteroseismology , stellar rotation , astronomy , optics

We report the identification of 61.45 d−1 (711.2 μHz) oscillations, with amplitudes of 62.6 μmag, in KIC 4768731 (HD 225914) using Kepler photometry. This relatively bright (V = 9.17) chemically peculiar star with spectral type A5 Vp SrCr(Eu) has previously been found to exhibit rotational modulation with a period of 5.21 d. Fourier analysis reveals a simple dipole pulsator with an amplitude that ...

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