A group of Scientists led by Matias Jones of the Pontifical Catholic University of Chile have discovered four enormous planets with masses from 2.4 to 5.5 times that of Jupiter, orbiting stars much bigger than our Sun.
Key Points
- The newly detected worlds have very long orbital periods ranging from nearly two to slightly more than four Earth years
- They used the 5 m telescope at the Cerro Tololo Inter-American Observatory and the 2.2 m telescope at La Silla observatory in Chile, and the 3.9 m Anglo-Australian telescope in Australia.
- The study was published in the journal arXiv.org.
The newly found planets are:
- HIP8541b
- HIP74890b
- HIP84056b
- HIP95124b
Some Specialities about them:
HIP8541b
- It is the most massive of the newly found planets
- With a mass of about 5.5 Jupiter masses, this exoplanet also has a much longer orbital period than the other three worlds, equal to 1,560 days
- HIP74890b and HIP84056b are very similar in terms of mass and orbital period.
- The mass of HIP74890b is estimated to be 2.4 Jupiter masses.
- HIP84056b has an orbital period lasting nearly 819 days
- HIP95124b has the shortest orbital period of 562 days. It has a mass of 2.9 Jupiter masses and orbits a star nearly two times more massive than the Sun, with a radius of 5.12 solar radii.
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