Just wait 12 years to look at Alpha Centauri

Credit: P. Kervella et al. (CNRS / U. de Chile / Observatoire de Paris / LESIA)/ESO

A very rare gravitational lensing event, set to occur in 2028, has been predicted by a team of French astronomers led by Pierre Kervella of the CNRS/Universidad de Chile. It will provide an ideal opportunity to look for evidence of a planet around a nearby star.

Using both new and archive data obtained with a range of ESO telescopes, the team has predicted the trajectories of the fast-moving stellar duo known as the Alpha Centauri A and B, with negligible error. That has allowed them to predict every close alignment until 2050 between the Alpha Centauri pair and the stars which lie close to them on the sky — but which are in fact a great deal further away in space. … (ESO)

Credit: P. Kervella et al. (CNRS / U. de Chile / Observatoire de Paris / LESIA)/ESO

Credit:
P. Kervella et al. (CNRS / U. de Chile / Observatoire de Paris / LESIA)/ESO

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