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Detectability of Earth-like Planets in Multi-Planet Systems: Preliminary Report

  • K. Goździewski, A. Niedzielski, J. Schneider, W. A. Traub (a1), C. Beichman (a2), A. F. Boden (a2), A. P. Boss (a3), S. Casertano (a4), J. Catanzarite (a1), D. Fischer (a5), E. B. Ford (a6), A. Gould (a7), S. Halverson (a8), A. Howard (a8), S. Ida (a9), N. J. Kasdin (a10), G. P. Laughlin (a11), H. F. Levison (a12), D. Lin (a11), V. Makarov (a2), J. Marr (a1), M. Muterspaugh (a13), S. N. Raymond (a14), D. Savransky (a10), M. Shao (a1), A. Sozzetti (a15) and C. Zhai (a1)...


We ask if Earth-like planets (terrestrial mass and habitable-zone orbit) can be detected in multi-planet systems, using astrometric and radial velocity observations. We report here the preliminary results of double-blind calculations designed to answer this question.



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[1] Cumming, A., Butler, R.P., Marcy, G.W., et al., 2008, PASP, 120, 531
[2] Gould, A., 2008 [arXiv:0807.4323], ApJ, submitted
[3] Scargle, J.D., 1982, ApJ, 263, 835


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