I have been researching what we know, so far, about planetary systems within 10 parsecs. It is easy to find out what has been found, but much harder to find out what has been eliminated (for instance: I did read that there are no planets down to a couple of earth masses in the habitable zone of 61 Virginis). I am particularly interested in the stars that Tartar and Turnbull have listed as most likely to harbor life. Does anybody have any ideas where I can find the information I am looking for? I would also like to know how much we will be able to learn with the new generation of telescopes (ie. E-ELT using the CODEX spectrograph). I understand the logistical problem of detecting "far out" planets due to long orbits (monitoring the same star for many years) so am wondering about what we can hope for in "direct detection" over the next 40 years or so.
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