行星TRAPPIST-1嘅想像圖

TRAPPIST-1,又嗌 2MASS J23062928-0502285[1],係粒超低溫紅矮星[2],離開地球 39.13光年(12.0秒差距),喺水瓶座

馬西矯倫(Michaël Gillon)為首嘅天文研究小組,屬於比利時列日大學天文物理與地球物理研究所[3],用喺智利喇莎娜天文台TRAPPIST (Transiting Planets and Planetesimals Small Telescope) 望遠鏡,以 transit photometry,發現三個地球大細嘅行星。最裏頭嘅兩粒星係喺宜居帶裏面,或者啱啱喺外面[4][5]。研究小組喺2016年5月號 Nature 雜誌嘅發表;2015年9月至12月嘅觀察嘅研究結果[6]

2017年2月22號,天文學家宣布圍繞 TRAPPIST-1 嘅外行星加多四個。 而令圍繞星球運行嘅行星總數有七個,其中至少兩個,亦可能全部,喺宜居帶[7][8]


  1. 2MASS J23062928-0502285
  2. Temperate Earth-sized planets transiting a nearby ultracool dwarf star. eso.org. (pdf)
  3. "AGO - Department of Astrophysics, Geophysics and Oceanography". 
  4. "Three Potentially Habitable Worlds Found Around Nearby Ultracool Dwarf Star - Currently the best place to search for life beyond the Solar System". European Southern Observatory (用英文寫). 喺2016-05-02搵到. 
  5. "Three New Planets Are the Best Bets for Life". Popular Mechanics. 2016-05-02. 喺2 May 2016搵到. 
  6. Gillon, Michaël; Jehin, Emmanuël; Lederer, Susan M.; Delrez, Laetitia; De Wit, Julien; Burdanov, Artem; Van Grootel, Valérie; Burgasser, Adam J.; Triaud, Amaury H. M. J.; Opitom, Cyrielle; Demory, Brice-Olivier; Sahu, Devendra K.; Bardalez Gagliuffi, Daniella; Magain, Pierre; Queloz, Didier (2016). "Temperate Earth-sized planets transiting a nearby ultracool dwarf star". Nature. 533 (7602): 221–224. doi:10.1038/nature17448. 
  7. "Temperate Earth-Sized Planets Found in Extraordinarily Rich Planetary System TRAPPIST-1". SpaceRef. 22 February 2017. 喺11 February 2017搵到. 
  8. "NASA telescope reveals largest batch of Earth-size, habitable-zone planets around single star". Exoplanet Exploration: Planets Beyond our Solar System (Press release). 喺22 February 2017搵到.