An Analysis of the Condensation Temperature of Elements of Extrasolar Planetary Systems

Details An Analysis of the Condensation Temperature of Elements of Extrasolar Planetary Systems An Analysis of the Condensation Temperature of Elements of Extrasolar Planetary Systems

Dec 2005

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2005chjaa...5..619h&link_type=abstract

Chinese Journal of Astronomy and Astrophysics, Volume 5, Issue 6, pp. 619-626 (2005).

Astronomy and Astrophysics

Astrophysics

5

Scientific paper

Using high signal-to-noise ratio spectra of extrasolar planet-hosting stars, we obtained the atmospheric parameters, accurate metallicities and the differential abundance for 15 elements (C, O, Na, Mg, Al, Si, S, Ca, Sc, Ti, V, Cr, Mn, Ni and Ba). In a search for possible signatures of metal-rich material accreting onto the parent stars, we found that , for a given element, there is no significant trend of increasing [X/H] with increasing condensation temperature Tc. In our sample of planet-harboring stars, the volatile and refractory elements behave similarly, and we can not confirm if there exists any significant dependence on the condensation temperature Tc.

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