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News Release 86 of 217

January 25, 2006 01:00 PM (EST)

News Release Number: STScI-2006-06

Astronomers Find Smallest Extrasolar Planet Yet Around Normal Star

Technical facts about this news release:

About the Object
Object Name: OGLE-2005-BLG-390Lb
Object Description: Extrasolar Planet
Position (J2000): R.A. 17h 54 m 19s.2
Dec. -30° 22' 38 "
Constellation: Scorpius
Distance: 20,000 light-years (6,100 parsecs) away
About the Data
Instrument: OGLE, PLANET
Discovery Date: OGLE: July 11, 2005; PLANET: August 9, 2005
Data Description:

The science team is composed of the following collaborations:

PLANET/RoboNet Collaboration: J.-P. Beaulieu (Institut d'Astrophysique de Paris, France), D. P. Bennett (University of Notre Dame, Indiana), P. Fouque (Observatoire Midi-Pyrenees, France), A. Williams (Perth Observatory, Australia), M. Dominik (University of St Andrews, UK), U. G. Jorgensen (Niels Bohr Institutet, Denmark), D. Kubas (European Southern Observatory, Chile), A. Cassan (Institut d'Astrophysique de Paris, France), C. Coutures (CEA DAPNIA/SPP, France), J. Greenhill and K. Hill (University of Tasmania, Australia), J. Menzies (South African Astronomical Observatory), P.D. Sackett (Mt Stromlo Observatory, Australia), M. Albrow (University of Canterbury, New Zealand), S. Brillant (European Southern Observatory, Chile), J.A.R. Caldwell (McDonald Observatory, Texas), J.J. Calitz (Boyden Observatory, South Africa), K. H. Cook (Lawrence Livermore National Laboratory), E. Corrales and M. Desort (Institut d'Astrophysique de Paris, France), S. Dieters (University of Tasmania, Australia), D. Dominis (Universitat Potsdam, Germany), J. Donatowicz (Technische Universitat Wien, Austria), M. Hoffman (Universitat Potsdam, Germany), S. Kane (Technische Universitat Wien, Austria), J.-B. Marquette (Institut d'Astrophysique de Paris, France), R. Martin (Perth Observatory, Australia), P. Meintjes (Boyden Observatory, South Africa), K. Pollard (University of Canterbury, New Zealand), K. Sahu (Space Telescope Science Institute), C. Vinter (Niels Bohr Institutet, Denmark), J. Wambsganss (University of Heidelberg, Germany), K. Woller (Niels Bohr Institutet, Denmark), K. Horne (University of St Andrews, UK), I. Steele (Liverpool John Moores University, UK), D.M. Bramich (University of St Andrews/ Liverpool John Moores University, UK), M. Burgdorf (Liverpool John Moores University, UK), C. Snodgrass (Queen's University Belfast, UK), and M. Bode (Liverpool John Moores University, UK);

OGLE Collaboration: A. Udalski, M.K. Szymanski, M. Kubiak, and T. Wieckowski (Uniwersytetu Warszawskiego, Poland), G. Pietrzynski and I. Soszynski (Uniwersytetu Warszawskiego, Poland/ Universidad de Concepcion, Chile), O. Szewczyk (Uniwersytetu Warszawskiego, Poland), L. Wyrzykowski (Uniwersytetu Warszawskiego, Poland/ Jodrell Bank Observatory, UK), and B. Paczynski (Princeton University Observatory, NJ);

MOA Collaboration: D.P. Bennett (University of Notre Dame, Indiana), F. Abe (Solar-Terrestrial Environment Lab, Nagoya University, Japan), I.A. Bond (Massey University, New Zealand), T.R. Britton (University of Canterbury, New Zealand/ University of Auckland, New Zealand), A.C. Gilmore and J.B. Hearnshaw (University of Canterbury, New Zealand), Y. Itow and K. Kamiya (Solar-Terrestrial Environment Lab, Nagoya University, Japan), P.M. Kilmartin (University of Canterbury, New Zealand), A.V. Korpela (Victoria University, New Zealand), K. Masuda, Y. Matsubara, M. Motomura, Y. Muraki, S. Nakamura, and C. Okada (Solar-Terrestrial Environment Lab, Nagoya University, Japan), K. Ohnishi (Nagano National College of Technology, Japan), N.J. Rattenbury (Princeton University Observatory, NJ), T. Sako (Solar-Terrestrial Environment Lab, Nagoya University, Japan), S. Sato (Department of Astrophysics, Nagoya University, Japan), M. Sasaki and T. Sekiguchi (Solar-Terrestrial Environment Lab, Nagoya University, Japan), D.J. Sullivan (Victoria University, New Zealand), P.J. Tristram and P.C.M. Yock (University of Auckland, New Zealand), and T. Yoshioka (Solar-Terrestrial Environment Lab, Nagoya University, Japan).