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SIM Lite detection of habitable planets in P-type binary-planetary systems

Show simple item record Pan, Xiaopei Shao, Michael Shaklan, Stuart Goullioud, Renaud 2014-09-18T21:33:32Z 2014-09-18T21:33:32Z 2010-06-27
dc.identifier.citation SPIE Astronomical Telescopes and Instrumentation 2010, San Diego, California, June 27 - July 2, 2010 en_US
dc.identifier.clearanceno 10-2299
dc.description.abstract Close binary stars like spectroscopic binaries create a completely different environment than single stars for the evolution of a protoplanetary disk. Dynamical interactions between one star and protoplanets in such systems provide more challenges for theorists to model giant planet migration and formation of multiple planets. For habitable planets the majority of host stars are in binary star systems. So far only a small amount of Jupiter-size planets have been discovered in binary stars, whose minimum separations are 20 AU and the median value is about 1000 AU (because of difficulties in radial velocity measurements). The SIM Lite mission, a space-based astrometric observatory, has a unique capability to detect habitable planets in binary star systems. This work analyzed responses of the optical system to the field stop for companion stars and demonstrated that SIM Lite can observe exoplanets in visual binaries with small angular separations. In particular we investigated the issues for the search for terrestrial planets in P-type binary-planetary systems, where the planets move around both stars in a relatively distant orbit. en_US
dc.description.sponsorship NASA/JPL en_US
dc.language.iso en_US en_US
dc.publisher Pasadena, CA : Jet Propulsion Laboratory, National Aeronautics and Space Administration, 2010 en_US
dc.title SIM Lite detection of habitable planets in P-type binary-planetary systems en_US
dc.type Preprint en_US

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