Polarization statistics of extra-solar systems

Details Polarization statistics of extra-solar systems Polarization statistics of extra-solar systems

2002-04-19

arxiv.org/abs/astro-ph/0204352v2

Astron.Astrophys. 394 (2002) 675-678

Astronomy and Astrophysics

Astrophysics

4 pages, 5 postscript figures, 1 table; Accepted for publication in Astronomy and Astrophysics

Scientific paper

10.1051/0004-6361:20021151

We have analysed the optical polarimetric properties of nearby intermediate-late type MS stars and examined in some detail the pecularities displayed by those known to have planets. We find that: i) the polarization degree is not strictly correlated with the presence of planets; ii) there is a lack of high eccentricity planets at high optical linear polarization levels; iii) no clear correlation is seen between metallicity and polarization amongst extra-solar systems; iv) the contribution to the polarization by the interstellar medium seems to become effective only after ~70 pc.

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