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CHEOPS
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CHEOPS

CHEOPS (CHaracterising ExOPlanets Satellite) es una misión conjunta de la ESA y Suiza centrada en medir con precisión el tamaño de exoplanetas conocidos. Imagine el Sistema Solar donde CHEOPS observa desde lejos cómo los planetas pasan como pequeñas canicas frente a una lámpara, "marcando" momentáneamente su brillo. Este pequeño telescopio de 32 cm utiliza el método de tránsito: mide la pequeña disminución de la luz de una estrella cuando un planeta pasa por delante. Esto permite determinar el radio del planeta con extrema precisión. Durante su misión de 3,5 años, ayuda a revelar si estos mundos distantes son densos y rocosos como la Tierra o gaseosos como Júpiter.
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Latest news from CHEOPS

Low density super earth TOI-2211 b characterized as a potential hot water world
icon9. 10. 2026
iconEstrellas | Exoplanetas | Enana naranja | TESS | CHEOPS | Supertierr
Image: Low density super earth TOI-2211 b characterized as a potential hot water world
The exoplanet TOI-2211 b is a super-Earth located on a close orbit around an orange dwarf star, completing one revolution every 3.09 days. Because it is positioned so close to its host star, it is subjected to intense radiation that often strips away light primordial atmospheres made of hydrogen and helium. The current analysis indicates that the mass and radius of the planet are not consistent with a simple bare rocky interior, nor with an atmosphere dominated by hydrogen. Instead, it is likely...
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CHEOPS observations reveal planetary densities and atmospheric evolution in V1298 Tau system
icon5. 7. 2026
iconEstrellas | Exoplanetas | CHEOPS | Objetos estelares jóvene
Image: CHEOPS observations reveal planetary densities and atmospheric evolution in V1298 Tau system
CHEOPS observations of the young V1298 Tau system provide refined measurements of its innermost planets. The findings reveal distinct bulk densities, suggesting diverse atmospheric evolution for these young worlds. No past dynamical excitation is required....
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CHEOPS telescope helped precisely measure two-planet system TOI 1130
icon9. 7. 2024
iconEstrellas | Exoplanetas | CHEOPS
Image: CHEOPS telescope helped precisely measure two-planet system TOI 1130
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Sub-Neptune and super-Earth discovered orbiting a star HIP 113103 150 light years away
icon8. 9. 2023 (aceptado)
iconEstrellas | TESS | CHEOPS | Exoplane
Image: Sub-Neptune and super-Earth discovered orbiting a star HIP 113103 150 light years away
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Two warm sub-Neptunes discovered transiting nearby K-type star HD 15906
icon7. 6. 2023 (aceptado)
iconEstrellas | TESS | CHEOPS | Exoplane
Image: Two warm sub-Neptunes discovered transiting nearby K-type star HD 15906
...
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