Probing the size of a magnetosphere of a young solar-like star

Details Probing the size of a magnetosphere of a young solar-like star Probing the size of a magnetosphere of a young solar-like star

Apr 2009

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2009iaus..259..413h&link_type=abstract

Cosmic Magnetic Fields: From Planets, to Stars and Galaxies, Proceedings of the International Astronomical Union, IAU Symposium,

Astronomy and Astrophysics

Astronomy

Line: Profiles, Stars: Individual (Kh 15D, V582 Mon), Stars: Pre-Main-Sequence

Scientific paper

We have obtained high resolution spectra of the pre-main sequence binary system KH 15D (V582 Mon) while the star is fully visible, fully occulted, and during several ingress and egress events over the course of five contiguous observing seasons. The Hα line profile is a standard probe of the magnetospheric accretion flows on young stars such as KH 15D. We use these time series data to map out the size of the magnetosphere and find that it changes size from one observing season to the next.

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