Mathematics – Probability
Scientific paper
Mar 2008
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2008aas...21115904p&link_type=abstract
American Astronomical Society, AAS Meeting #211, #159.04
Mathematics
Probability
Scientific paper
Many space missions have been proposed to detect Earth-like planets. The false detection probability of such exoplanets depends not only on instrument errors, thermal drift, stellar activity jitter etc., and also depends on observing windows and observation techniques. Because of limited life time of a space mission, in particular limited observing windows for each target star, it is necessary to investigate the possibility of wrong determination of orbits of exoplanets in details. This work analyzed the possible candidate stars for detection of Earth-like planets. For some of space missions analytical results of impact of limited window sizes on searching for exoplanets are presented. It is interesting to notice that the most difficult detection of exoplanets is those planets with periods close to one year, or half year. In addition false detection of multiple exoplanets due to small number and duration of the observations are analyzed. Three preliminary criterions are proposed in order to detect true Earth-like planets.
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