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Trends in Torques Acting on the Star During a Star-disk Magnetospheric Interaction by Čemeljić, M.; Brun, A. S. is a scholarly article available to read on EtoBox.

What is Trends in Torques Acting on the Star During a Star-disk Magnetospheric Interaction about?

We assess the modification of angular momentum transport in various configurations of star-disk accreting systems based on numerical simulations with different parameters. We quantify the torques exerted on a star by the various components of the flow in our simulations of a star-disk magnetospheric interaction. We obtained results using different stellar rotation rates, dipole magnetic field strengths, and resistivities. We probed a part of the parameter space with slowly rotating central objects, up to 20% of the Keplerian rotation rate at the equator. Different components of the flow in star-disk magnetospheric interaction were considered in the study: a magnetospheric wind (i.e., the ``stellar wind'') ejected outwards from the stellar vicinity, matter infalling onto the star through the accretion column, and a magnetospheric ejection launched from the magnetosphere. We also took account of trends in the total torque in the system and in each component individually. We find that for all the stellar magnetic field strengths, B$_\star$, the anchoring radius of the stellar magnetic field in the disk is extended with increasing disk resistivity. The torque exerted on the star is ind

Author

Čemeljić, M.; Brun, A. S.

Published

2023

Language

EN