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

¹ Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USA
² NASA Exoplanet Science Institute, Pasadena, CA, USA
³ Carnegie Institution of Washington, Washington, DC, USA
⁴ Space Telescope Science Institute, Baltimore, MD, USA
⁵ San Francisco State University, San Francisco, CA, USA
⁶ University of Florida, Gainesville, FL, USA
⁷ Ohio State University, Columbus, OH, USA
⁸ University of California at Berkeley, Berkeley, CA, USA
⁹ University of Tokyo, Tokyo, Japan
¹⁰ Princeton University, Princeton, NJ, USA
¹¹ University of California at Santa Cruz, Santa Cruz, CA, USA
¹² Southwest Research Institute, Boulder, CA, USA
¹³ Tennessee State University, Nashville, TN, USA
¹⁴ University of Colorado, Boulder, CO, USA
¹⁵ INAF – Osservatorio Astronomioco di Torino, Pino Torinese, Italy

Abstract


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.