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GQ Lupi
GQ Lupi is a T Tauri variable star approximately 500 light-years away in the constellation of Lupus.〔 The star is young and has about 70% of the Sun's mass.〔 == Possible planetary system ==
In 2005, Ralph Neuhäuser and his colleagues reported a substellar object, GQ Lupi b, orbiting the star. Along with 2M1207b, this was one of the first extrasolar planet candidates to be directly imaged. The image was made with the VLT telescope at Paranal Observatory, Chile, on June 25, 2004. Depending on its mass and the definition of a planet, GQ Lupi b may or may not be considered a planet.〔( Is this a Brown Dwarf or an Exoplanet? New Young Sub-stellar Companion Imaged with the VLT ), ESO Press Release 09/05, April 7, 2005. Accessed on line June 13, 2008.〕 As of 2006, the International Astronomical Union Working Group on Extrasolar Planets described GQ Lupi b as a "possible planetary-mass companion to a young star."〔(Lists of Extrasolar Planets ), IAU Working Group on Extrasolar Planets, August 28, 2006. Accessed on line June 13, 2008.〕
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