n 2011, our team was selected to carry out an 890-hour exoplanet survey campaign from 2013-2015 named GPIES (for GPI Exoplanet Survey). We will observe ~600 stars spanning spectral types A-M. We will use published young association catalogs and a proprietary list that adds several hundred new young (<100 Myr, <75 pc) and adolescent (<300 Myr, <35 pc) stars. The latter, older but closer than the known young associations, allow our survey to probe into the 5 AU ice line, where it is cold enough for hydrogen compounds such as water, ammonia, and methane to condense into solid ice grains
Simulations predict this survey will discover approximately 50 exoplanets, increasing the number of exoplanet images by an order of magnitude, enough for statistical investigation.
An ultimate goal of the maturing exoplanet field is images and spectra showing an Earthlike planet. Although that is a decade or more away, GPI will be using the advanced technology developed for such future missions, and exercising those technologies in a systematic and scientifically motivated giant- planet imaging campaign is a crucial step on the road to that transformative image of a blue dot, or an Earth 2.0.
GPI: A scientific partnership between institutions from the U.S.A., U.K., Canada, Australia, Argentina, Brazil and Chile.