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Moon Fase

GJ 1214 Transit

June 21th, This session was aimed at the first exoplanet detected by the MEarth project. The parent star is a red dwarf and the planet is a super Earth with 6.55 Earth mass.

It's a difficult target because of the magnitude of the star V 14.67. I decide to use a Blue Blocking filter to have higher transmission and keep the signal at a reasonable level.

click HERE for the map finder.
If you are interested in the data from this observation, please, drop me a line joao . gregorio & atalaia . org

Transit signature

Below we can see the same plot with the error bars.