Astronomers found that the star system dubbed AF Leporis, in which the two planets are found shares similar features to our Solar System.
Two images of a Jupiter-like planet that orbits the star AF Leporis. (Photo: ESO)
By India Today Web Desk: Researchers studying star catalogues from the European Space Agency’s Hipparcos and Gaia satellites have discovered two Jupiter-like planets orbiting a star in a system that is like our Solar System. The exoplanet has been captured using the SPHERE instrument on ESO’s Very Large Telescope (VLT) in Chile.
Astronomers found that the star system dubbed AF Leporis, in which the two planets are found shares similar features to our Solar System.
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The alien world was spotted by two independent groups of astronomers led by Dino Mesa (INAF, Italy) and Robert De Rosa (ESO, Chile). Astronomers used the two space missions to delve into the details of the exoplanets, which have been previously used to accurately pinpoint the position and motion of stars in our galaxy using astrometry.
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Researchers said that the planets exert a gravitational tug on their host stars, perturbing their trajectory in the sky. Researchers discovered that the two planets were orbiting a star named AF Leporis.
They were able to confirm the two planets by looking at the gravitational tug exerted by the planet on their host star. They found that this gravitational tug had perturbed their trajectory in the sky. The two teams found that the star AF Leporis exhibited such a disturbed trajectory, a telltale sign that a planet could be hiding there.
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They were then able to directly image the planet that orbits AF Leporis as they looked closer at the system. The team used the SPHERE instrument, which corrects the blurring caused by atmospheric turbulence using adaptive optics, and also blocks the light from the star with a special mask, revealing the planet next to it.
"They found that the planet is just a few times more massive than Jupiter, making it the lightest exoplanet detected with the combined use of astrometric measurements and direct imaging," the European Southern Observatory, said in a statement.
The star system AF Leporishas roughly the same mass, size, and temperature as the Sun, and the planet orbits it at a distance similar to that between Saturn and the Sun. Astronomers also have confirmed that the system also has an asteroid debris belt with similar characteristics as the Kuiper belt in our Solar System.
"Since the AF Leporis system is only 24 million years old ––about 200 times younger than the Sun–– further studies of this system can shed light on how our own Solar System was formed," ESO added.
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2023-02-21 06:09:00Z
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