X-ray coronae and stellar magnetospheres

Details X-ray coronae and stellar magnetospheres X-ray coronae and stellar magnetospheres

Jul 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1248...19h&link_type=abstract

X-RAY ASTRONOMY 2009; PRESENT STATUS, MULTI-WAVELENGTH APPROACH AND FUTURE PERSPECTIVES: Proceedings of the International Confer

Astronomy and Astrophysics

Astronomy

X-Ray Spectroscopy, Stellar Structure, Magnetosphere, Spectroscopic Binaries, X-Ray, Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages, Magnetosphere Interactions, Spectroscopic Binaries, Close Binaries

Scientific paper

Chandra's spectroscopic resolving power allows us to measure velocity shifts down to ~30 km/s in line profiles. Observations covering >2Prot are needed to disentangle flaring and quiescent coronal emission. The rotational modulation in X-ray lightcurves and spectra enable us to estimate the size and location of non-flaring X-ray emitting regions stellar coronae. We probe the coronal structure in systems covering a range of parameters (e.g., spectral type and rotation rate), and summarise results from new studies.

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