Metallicities of Stars with Planets from the NStars Program

Details Metallicities of Stars with Planets from the NStars Program Metallicities of Stars with Planets from the NStars Program

Jan 2004

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2004iaus..219..793g&link_type=abstract

Stars as suns : activity, evolution and planets, Proceedings of the 219th symposium of the International Astronomical Union held

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Scientific paper

The Nearby Stars (NStars) project carried out jointly during the past three years at Appalachian State University the Vatican Observatory and the David Dunlap Observatory is now entering its final phases. The goals of this project are to obtain spectra spectral types and basic physical parameters (including chromospheric activity measures) for the 3600 dwarf and giant stars earlier than M0 within 40 parsecs of the sun. These data including the calibrated spectra are available to the public through the project website (stellar.phys.appstate.edu). This website permits individual queries for single stars and multiple star queries through an SQL interface. It is hoped that this database will prove useful for target selection not only for the Space Interferometry Mission (the source of our funding) but for the Terrestrial Planet Finder mission as well as other nearby star surveys. The accuracy and homogeneity of our basic physical parameters makes possible a number of interesting astrophysical investigations. In a particular we will consider whether stars with planets have a significantly higher mean metallicity than nearby solar-type stars in general.

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