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PLANET II : a microlensing and transit search for extrasolar planets

  • Due to their extremely small luminosity compared to the stars they orbit, planets outside our own Solar System are extraordinarily difficult to detect directly in optical light. Careful photometric monitoring of distant stars, however, can reveal the presence of exoplanets via the microlensing or eclipsing effects they induce. The international PLANET collaboration is performing such monitoring using a cadre of semi-dedicated telescopes around the world. Their results constrain the number of gas giants orbiting 1-7 AU from the most typical stars in the Galaxy. Upgrades in the program are opening regions of ''exoplanet discovery space'' - toward smaller masses and larger orbital radii - that are inaccessible to the Doppler velocity technique.

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Author:Penny D. Sackett, Michael D. Albrow, Jean-Philippe Beaulieu, John A. R. Caldwell, C. Coutures, M. Dominik, John Greenhill, K. Hill, Keith Horne, Uffe Grae Jorgensen, Stephen R. Kane, Daniel Kubas, Ralph Martin, J. W. Menzies, K. R. Pollard, K. C. Sahu, Joachim Wambsganß, R. Watson, A. Williams
URL:http://arxiv.org/pdf/astro-ph/0211098
Document Type:Article
Language:English
Year of first Publication:2003
Year of Completion:2003
Release Date:2017/03/24
Source:Bioastronomy 2002: Life Among the Stars, IAU Symposium 213 / ed. by R. Norris ; C. Oliver ; F. Stootman. - San Francisco, Calif.: Astronomical Soc. of the Pacific, 2003. - (Astronomical Society of the Pacific conference series ; TBD)
Organizational units:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik und Astronomie
Institution name at the time of publication:Mathematisch-Naturwissenschaftliche Fakultät / Institut für Physik