51 Pegasi b (51 Peg b) was the first discovered exoplanet around a main-sequence star. It orbits very close to the star, experiences estimated temperatures around 1,200 °C (1,500 K; 2,200 °F) and has a mass at least half that of Jupiter.

Oct 24, 2024 · 51 Pegasi b is a gas giant exoplanet that orbits a G-type star. Its mass is 0.46 Jupiters, it takes 4.2 days to complete one orbit of its star, and is 0.0527 AU from its star. Its discovery was announced in 1995.

Oct 8, 2019 · 51 Pegasi b, also called "Dimidium," was the first exoplanet discovered orbiting a Sun-like star in 1995. In 2019, its discoverers, Michel Mayor and Didier Queloz, shared the Nobel Prize in Physics.

51 Pegasi b, officially named Dimidium (/ dɪˈmɪdiəm /), is an extrasolar planet approximately 50 light-years (15 parsecs) away in the constellation of Pegasus.

51 Pegasi b, the first extrasolar planet confirmed to orbit a sunlike star. It was the first planet found through the wobble it induced in its parent star, and its discovery led to that of thousands more extrasolar planets.

Helvetios, also designated as 51 Pegasi, is a variable sub-giant star of magnitude 5.49 in the constellation of Pegasus. Find complete information about Helvetios on TheSkyLive.com.

51 Pegasi, fifth-magnitude star located 48 light-years away from Earth in the constellation Pegasus, the first sunlike star confirmed to possess a planet. 51 Pegasi became the focus of attention in 1995 when Swiss astronomers Michel Mayor and Didier Queloz announced the detection of a planet, 51 Pegasi b, orbiting it.

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Subgiant 51 Pegasi is located 51 light years away from the Sun. It is a single star of spectral class G2IV B, that has 111 % of solar mass. There is at least one exoplanet in this system.

Oct 25, 2024 · The first exoplanet discovered around a sun-like star, 51 Pegasi b made us question what we knew of our universe and launched the search for new worlds.