The Coronal Properties of the High-Metallicity Late-G Dwarf 11 LMi

Details The Coronal Properties of the High-Metallicity Late-G Dwarf 11 LMi The Coronal Properties of the High-Metallicity Late-G Dwarf 11 LMi

Jul 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010aipc.1248...13d&link_type=abstract

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

Astronomy and Astrophysics

Astronomy

Star Formation, Stellar Structure, Astrophysical Plasma, X-Ray Sources (Astronomical), Star Formation, Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages, Magnetohydrodynamics And Plasmas, X-Ray Sources, X-Ray Bursts

Scientific paper

The influence of stellar metallicity on stellar coronal properties is still unclear, since most of the stars with well-studied coronal spectra have photospheric abundances similar to (or assumed to be) the solar photospheric values. We have used XMM-Newton to observe 11 LMi, a known X-ray source, which has supersolar (2.0-2.5 times solar) photospheric abundances, in order to study the effect of the high underlying intrinsic metallicity on the temperature structure and abundances of its coronal plasma. We present and discuss the EPIC spectra of 11 LMi that we have obtained, and compare the properties of its coronal emission with those of similar stars of solar metallicity.

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