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Articles tagged: SOPHIE spectograph

  • HD 158259, NASA's Transiting Exoplanet Survey Satellite (TESS), six planet system, SOPHIE spectograph, TRAPPIST-1 17 April 2020 A six-planet system is discovered and more could be hiding say astronomers

    ... super-Earths in the Northern Hemisphere since 2011. Although SOPHIE might be relatively new, the observatory it is housed...of HD 158259, astronomers took 209 radial velocity measurements using SOPHIE – a method which measures the change in light that ...

    • HD 158259
    • NASA's Transiting Exoplanet Survey Satellite (TESS)
    • six planet system
    • SOPHIE spectograph
    • TRAPPIST-1

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