The Sun as a Star: 13 years of SoHO

Details The Sun as a Star: 13 years of SoHO The Sun as a Star: 13 years of SoHO

2009-07-25

arxiv.org/abs/0907.4439v1

Astronomy and Astrophysics

Astrophysics

Solar and Stellar Astrophysics

Proceedings of the Stellar Pulsation Conference. Santa Fe. 6 pages, 4 figures

Scientific paper

The best known Solar oscillation-like star is the Sun. During the last 14 years, the ESA/NASA Solar and Heliospheric Observatory (SoHO) has been continuously observing this star from the Lagrange point L1 with an enormous success. Among the 11 instruments placed onboard, 3 of them are dedicated to helioseismology: GOLF, VIRGO and MDI. The first two observe the Sun as a star by integrating the velocity or intensity signal of the visible solar disk into a single point. They are thus similar to any other observation done in asteroseismology. During this review I will present the most important results obtained during the mission concerning the Sun seen as a star and how this results have evolved our thoughts of the inside of our star.

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