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X-rays from stars.

Manuel Güdel¹

¹Paul Scherrer Institut, CH-5232 Villigen PSI, Switzerland.

Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences

|June 14, 2003

Summary

This summary is machine-generated.

Chandra and XMM-Newton observations reveal new insights into stellar coronae and winds. High-resolution X-ray spectroscopy enhances our understanding of stellar atmospheres, including brown dwarfs and protostars.

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Area of Science:

X-ray Astronomy
Stellar Physics
Astrophysics

Background:

Chandra and XMM-Newton have provided extensive observational data on stellar phenomena.
Understanding stellar coronae and winds is crucial for stellar evolution and astrophysics.

Purpose of the Study:

To present selected results from recent observations of stellar coronae and winds.
To summarize new findings on the physics of hot and cool stars, brown dwarfs, and star formation.

Main Methods:

Utilizing over two years of observational data from Chandra and XMM-Newton.
Employing high-resolution X-ray spectroscopy to analyze stellar atmospheres.

Main Results:

New views on thermal structure and energy release in stellar coronae.

Related Experiment Videos

Observations of magnetically active brown dwarfs and the structure of hot star winds.

Insights into colliding-wind binary systems and X-rays from protostars and jets.

Conclusions:

High-resolution X-ray spectroscopy offers unprecedented detail on stellar atmospheres.
Observations have significantly advanced our understanding of stellar coronae, winds, and related phenomena.