EPJ Web of Conferences
Volume 101, 2015The Space Photometry Revolution – CoRoT Symposium 3, Kepler KASC-7 Joint Meeting
|Number of page(s)||2|
|Section||Session 6 – Posters|
|Published online||23 September 2015|
Influence of helium ionisation on red giant oscillation spectra
LESIA, CNRS, Université Pierre et Marie Curie, Université Denis Diderot, Observatoire de Paris, 92195 Meudon cedex, France
a e-mail: firstname.lastname@example.org
Published online: 23 September 2015
Since its launch in 2009, the space mission Kepler has provided an amount of data of unprecedented quality. In particular, red giants exhibit an oscillation spectrum arranged in a regular pattern called the universal oscillation pattern. Here we analyse and characterize the departures observed from this universal pattern. We measured the deviation for more than one hundred red giants and attribute it to glitches related to the region of second ionisation of helium.
© Owned by the authors, published by EDP Sciences, 2015
This is an Open Access article distributed under the terms of the Creative Commons Attribution License 4.0, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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