CoRoT对O型星的观测：多样性的变率起源
太阳与恒星天体物理
2011-09-12 v1 星系天体物理
摘要
六颗O型星被CoRoT卫星在34.3天的运行期间连续观测。数据前所未有的质量使我们能够探测到其中一些恒星（HD 46202以及双星HD 46149和Plaskett星）中甚至低振幅的恒星脉动。这些脉动涵盖了不透明度驱动模式和类太阳随机振荡，两者对O型星的星震学建模都至关重要。在CoRoT光变曲线中还可以看到其他效应，例如双星性和自转调制。一些最热的O型星（HD 46223、HD 46150和HD 46966）以红噪声的存在为主导：我们推测这与次表面对流区有关。
引用
@article{arxiv.1109.1999,
title = {CoRoT observations of O stars: diverse origins of variability},
author = {R. Blomme and M. Briquet and P. Degroote and L. Mahy and C. Aerts and J. Cuypers and M. Godart and E. Gosset and M. Hareter and J. Montalban and T. Morel and M. F. Nieva and A. Noels and R. Oreiro and E. Poretti and N. Przybilla and M. Rainer and G. Rauw and F. Schiller and S. Simon-Diaz and K. Smolders and P. Ventura and M. Vuckovic and M. Auvergne and A. Baglin and F. Baudin and C. Catala and E. Michel and R. Samadi},
journal= {arXiv preprint arXiv:1109.1999},
year = {2011}
}
备注
5 pages, 3 figures, conference paper. To be published in "Four decades of Research on Massive Stars", Astronomical Society of the Pacific. Eds. C. Robert, N. St-Louis and L. Drissen