Light curve of TRAPPIST-1 — showing the dimming events caused by transits of planets

This diagram shows the changing brightness of the ultra cool dwarf star TRAPPIST-1 over a period of 20 days in September and October 2016 as measured by NASA’s Spitzer Space Telescope and many other telescopes on the ground. On many occasions the brightness of the star drops for a short period and then returns to normal. These events, called transits, are due to one or more of the star’s seven planets passing in front of the star and blocking some of its light.

The lower part of the diagram shows which of the system’s planets are responsible for the transits.

Forrás:

ESO/M. Gillon et al.

About the Image

Id:eso1706e
Típus:Chart
Közzététel napja:2017. február 22. 19.00
Related releases:eso1706
Size:20000 x 10000 px

About the Object

Név:TRAPPIST-1
Típus:Milky Way : Star : Circumstellar Material : Planetary System
Category:Illustrations

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