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An independent photometric estimate of the metallicity can be made based on the star's position on a color—magnitude diagram. If a star hosting a planet candidate has a closely bound stellar companion or companions , the companion can create a false-positive exoplanet detection if it is a stellar eclipsing binary. The ternary diagram shows the degeneracy associated with the determination of the composition of exoplanets with measured mass and radius. The K2 campaigns observed target fields in the ecliptic plane for 80 days at a time, making USP planets easily detectable within this observing window Adams et al. Wikimedia Commons. AU - Zapatero Osorio, M. The NAFF computes precisely, for each planet, the average mean motion over the two halves of the integration and compares these two estimations. We use precise radial velocity observations from HARPS to confirm and characterize these two planets. We determine the planetary parameters using the publicly available software juliet e. Udry Mostrar 35 otros Mostrar menos. Acceder al documento AU - Rebolo, R.

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