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Nu2 Lupi

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description Nu2 Lupi Overview

Nu2 Lupi is a G-type main-sequence star located approximately 48 light-years away from Earth in the southern constellation of Lupus. The star is orbited by at least three confirmed exoplanets, designated Nu2 Lupi b, c, and d. The planetary system's orbital configuration was further characterized in 2021 using data from the European Space Agency's CHEOPS satellite. One of these planets, Nu2 Lupi d, is notable for orbiting within the star's habitable zone, a region where liquid water could theoretically exist on a planetary surface.

help Nu2 Lupi FAQ

How many confirmed planets orbit Nu2 Lupi?

Three confirmed planets, Nu2 Lupi b, c, and d, are known in the system. All three were first characterized through radial-velocity measurements.

Which Nu2 Lupi planets transit their star?

CHEOPS observations showed that planets b, c, and d transit Nu2 Lupi from Earth's viewpoint. The transit of the longer-period planet d was especially valuable because such events are comparatively uncommon for a bright nearby star.

Why is Nu2 Lupi useful for studying exoplanet atmospheres?

Nu2 Lupi is a bright, nearby G-type star approximately 48 light-years away. Transits across a bright star permit precise measurements of planetary radii and make follow-up atmospheric work more practical.

Are the Nu2 Lupi planets gas giants like Jupiter?

No. Nu2 Lupi b, c, and d fall in the super-Earth to sub-Neptune regime rather than the Jupiter-mass class, giving the system three relatively small planets to compare around one star.

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