Planet Hunters Talk

What is this periodic signal in the curve ?

  • Luxorion by Luxorion

    ref Zooniverse Id APH000170r, Kepler Id 7269843

    Hi,

    What is this periodic signal in the curve ? It appears is several stars. How can astronomers explain it ? Is it natural or an artifact, and in this casde from what instrument ?

    Thanks in advance,

    Thierry

    Posted