畢宿星團更多系外行星 ZEIT (Zodiacal Exoplanets in Time) Survey

[peter]

http://www.skyandtelescope.com/astronomy-news/exoplanets/more-planets-in-hyades-cluster/
畢宿星團發現更多系外行星   類似海王星大小




 K2 mission

ZEIT (Zodiacal Exoplanets in Time) Survey. Using these data, they identified the presence of three planets in the EPIC 247589423 system:

    a roughly Earth-sized planet (~1.0 Earth radii) with a period of ~8.0 days,
    the mini-Neptune identified in the other study, with a size of ~2.9 Earth radii and period of ~17 days, and
    a super-Earth, with a size of ~1.5 Earth radii and period of ~26 days.