Discovery of p-mode oscillations in the AP star HD 213637

Details Discovery of p-mode oscillations in the AP star HD 213637 Discovery of p-mode oscillations in the AP star HD 213637

Jun 1998

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1998a%26a...334..606m&link_type=abstract

Astronomy and Astrophysics, v.334, p.606-608 (1998)

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4

Stars: Chemically Peculiar, Stars: Individual: Hd 213637, Stars: Oscillations, Stars: Variables: Other

Scientific paper

We announce the discovery of rapid p-mode oscillations in the A (p EuSrCr) star HD 213637. These variations are modulated in amplitude, which is consistent with rotational modulation, multi-mode oscillations or intrinsic mode growth/decay. A frequency analysis reveals that our data may be described by the combination of two oscillations with frequencies of 1411 and 1452 mu Hz. However, these frequency values suffer from 1 d(-1) alias ambiguities, and require confirmation in a more detailed follow-up study.

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