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Jupiter-sized extraterrestrial discovery .. details are known

Date:

Saturday March 26, 2022 02:35 AM

University of Pennsylvania astronomers have discovered an extraterrestrial TOI-3757 bIts size is slightly larger ThursdayBut its mass is three times lower, according to a report RT .

Pointing site arXiv.org, Scientists discovered the planet in “transit” mode, which includes searching for stars whose brightness curve decreases as a large object passes behind them. The planetary nature of the signal detected in the star has been confirmed TOI-3757 It belongs to the red dwarfs of the spectrum type MBy subsequent follow-up.

The radius of the planet TOI-3757 b It is 1.09 times larger than Jupiter’s radius, and its mass is 0.268 larger than Jupiter’s.

That is, its density is 0.27 grams per cubic centimeter, making it the smallest dense planet orbiting a spectral type star. MThe planet orbits the original star once every 3.44 days at a distance of about 0.038 astronomical units, and the planet’s equilibrium temperature is estimated at 759 K.


The mother star is located TOI-3757 The planet is about 578 light-years from Earth, with an estimated age of 7.1 billion years and an effective temperature of 3913 Kelvin. It is 37 percent lighter than the Sun and has the lowest metal content (heavier elements than hydrogen) in all known red dwarfs with gas giants.

Source: Technology: Jupiter-sized Exoplanet Discovery .. Details known

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Stuart Wagner
Stuart Wagner
"Professional coffee fan. Total beer nerd. Hardcore reader. Alcohol fanatic. Evil twitter buff. Friendly tv scholar."

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