EPIC 204376071 GudangMovies21 Rebahinxxi LK21

    EPIC 204376071 is an M-type star in the constellation of Scorpius. Parallax measurements by the Gaia space observatory put the star at a distance of about 440 light-years (130 parsecs) from Earth. It is likely a member of the Upper Sco association, and is young enough that it has not yet become a main-sequence star.

    Unusual light fluctuations of the star, including up to an 80% dimming in brightness (i.e., "single 80% deep occultation of 1-day duration"), were observed by astronomers. The unusual dimming was not only extremely deep, but also substantially asymmetric, with an egress about twice as long as the ingress. Nonetheless, such an unusual dimming for EPIC 204376071 is much greater than the 22% dimming observed for Tabby's star. Several explanations have been presented to explain the unusual dimming of the EPIC 204376071 star: one, orbiting dust or small particles; or two, a "transient accretion event of dusty material near the corotation radius of the star". The unusual light curve of the star is similar to the light curve of a candidate exoplanet, KIC 10403228 b, which may have been caused by a "tilted ring system" orbiting the planet. In the case of EPIC 204376071, an orbiting brown dwarf or large planet, with a ring system, could cause a similar light curve, according to the researchers.


    See also


    Disrupted planet
    List of stars that have unusual dimming periods


    References




    External links


    EPIC Catalog at MAST
    Video (00:13) – EPIC 204376071 on YouTube, up to 80% dimming.

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EPIC 204376071 - Wikipedia

EPIC 204376071 - Wikipedia

EPIC 204376071 - Wikipedia

EPIC 204376071 - Wikipedia

Properties of the EPIC 204376071 System | Download Table

Properties of the EPIC 204376071 System | Download Table

Je EPIC 204376071 další Tabbyina hvězda? Červený trpaslík na den téměř ...

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