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    Third aquatic exoplanet discovered to transit from “surprise” star Nu2 Lupi


    At a distance of 48 light-years from Earth, the star Nu2 Lupi belongs to the constellation Lobo (Lupi) and is bright enough to be visible to the naked eye.

    An international study, in which researchers from the Institute of Astrophysics and Space Sciences (IA) participated, found, through the Cheops satellite, of the European Space Agency (ESA), a third “aquatic” exoplanet transiting the star Nu2 from “surprise”. Lupi.

    In a statement, the IA claims today that by studying the star Nu2 Lupi and its two innermost planets, the Cheops satellite found a “unique exoplanet”.

    “An aquatic planet with an orbit of more than 100 days appeared by surprise in the Cheops data, also transiting the star” of a planetary system close to Earth's, the statement said.

    At a distance of 48 light-years from Earth, the star Nu2 Lupi belongs to the constellation Lobo (Lupi) and is bright enough to be visible to the naked eye.

    Its three known planets (Nu2 Lupi b, Nu2 Lupi c and Nu2 Lupi d) were detected in 2019 by the HARPS spectrograph, which is installed on the 3.6-meter telescope of the European Southern Observatory (ESO).

    Later observations, using NASA's TESS satellite, showed that the two innermost planets (with orbits of 11.6 and 27.6 days, respectively) were transiting the star, “but it was unknown that planet “d” with an orbit of about 107 days, it also passed in front of its star”.

    “If it orbited the Sun, Nu2 Lupi d would be located between the orbits of Mercury and Venus,” says the IA.

    Read more at TSF


    Source: Futuro – Plataforma Media by plataformamedia.com.

    The article has been translated based on the content of Futuro – Plataforma Media by plataformamedia.com.

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