HD 209458 b is an exoplanet that orbits the solar analog HD 209458 in the constellation Pegasus, some 157 light-years (48 parsecs) from the Solar System...

HD 209458 is a star with an orbiting exoplanet in the constellation Pegasus. It has an apparent visual magnitude of 7.65 and an absolute magnitude of...

stars: HD 189733 b, HD 209458 b, and WASP-12b. On October 6, 2005, a team of astronomers announced the discovery of transiting planet HD 189733 b. The planet...

fluxes could have had their envelopes stripped by photoevaporation. HD 209458 b is an example of a gas giant that is in the process of having its atmosphere...

(992 °C; 1,817 °F). This is between the predicted temperatures of HD 189733 b and HD 209458 b (1,180 K (910 °C; 1,660 °F)–1,392 K (1,119 °C; 2,046 °F)), before...

a process has actually been detected on the famous transiting planet HD 209458 b. In December 1999, a group led by A. C. Cameron had announced that they...

about 1,540 K (2,310 °F; 1,270 °C) above the predicted temperature of HD 209458 b (1,400 K (2,100 °F; 1,100 °C)), which had inaugurated the category of...

Nicolas B. Cowan; Adam P. Showman; Curtis S. Cooper; S. Thomas Megeath (10 May 2007). "A map of the day–night contrast of the extrasolar planet HD 189733b"...

"Zarmina's World" or "Zarmina's Planet"; and HD 209458 b, occasionally referred to as "Osiris." 51 Pegasi b PSR 1257+12 Pulsar planet List of exoplanets...

to: 1923 Osiris, an asteroid Osiris (lunar crater) Osiris (planet) or HD 209458 b, an extrasolar planet Osiris (Ganymede crater), a crater on Ganymede...

inflated the planet's radius. Trans-Atlantic Exoplanet Survey 51 Pegasi b HD 209458 b Hot Jupiter TrES-2b "Keck confirms transit planet" (Press release)....

This is, like Tau Boötis b, hotter than the predicted temperature of HD 209458 b (1392K), and close to that of HD 149026 b, before they were measured...

tiny amount every three days. The transit lightcurve resembles that of HD 209458 b, the first transiting extrasolar planet. However, the mass of the object...

3847/1538-4357/abc0ef. ISSN 0004-637X. Bailey, Vanessa; et al. (January 2014). "HD 106906 b: A planetary-mass companion outside a massive debris disk". The Astrophysical...

March 2017. "HD 209458 b". Extrasolar Planets Encyclopaedia. Archived from the original on 2010-01-16. Retrieved 2010-02-16. "Planet CoRoT-7 b". Extrasolar...

discoveries did not come until the 2010s. In 2014, a magnetic field around HD 209458 b was inferred from the way hydrogen was evaporating from the planet. In...

optical and near-infrared wavelengths. In 2014, a magnetic field around HD 209458 b was inferred from the way hydrogen was evaporating from the planet. It...

suggests that Mars had liquid on its surface in the past. Atmosphere of HD 209458 b The circulation of the atmosphere occurs due to thermal differences when...

HD 189733 A that were alleged to be caused by interactions between the magnetic fields of the star and its "hot Jupiter" exoplanet. Procyon HD 209458...

Jonathan (2014-07-02). "The 4.5 μm full-orbit phase curve of the hot Jupiter HD 209458b". The Astrophysical Journal. 790 (1): 53. arXiv:1405.5923. Bibcode:2014ApJ...

uplifted in the wake of the meteorite impact 9.8 billion years (4 Gya): HD 209458 b, first planet detected through its transit, forms. Messier 85, lenticular...

HD 209458 b, XO-1b, WASP-12b, WASP-17b, and WASP-19b. In July 2014, NASA announced finding very dry atmospheres on three exoplanets (HD 189733b, HD 209458b...

dwarfs. For example, the extrasolar planet HD 209458 b has a mass of 0.69 MJ, while the brown dwarf Gliese 229 b has a mass of 60.4 MJ. Theoretical models...

atmosphere effects. The actual temperature from spectroscopic analysis for HD 209458 b (Osiris) is 1,130 K, but the effective temperature is 1,359 K.[citation...

also been confirmed outside the Solar System. Spectroscopic analysis of HD 209458 b, an extrasolar planet in the constellation Pegasus, provides the first...

layers Extrasolar planet atmospheres: including those of HD 189733 b and HD 209458 b, Tau Boötis b, HAT-P-11b, XO-1b, WASP-12b, WASP-17b, and WASP-19b. Stellar...

November 27 – A hydrogen atmosphere is discovered on the extrasolar planet HD 209458 b, nicknamed Osiris, by the Hubble Space Telescope. It is the first atmosphere...

satellites The first Trojan of Neptune Evidence that the atmosphere of HD 209458 b contains water vapor List of astronomical observatories List of largest...

star, completing an orbit every four days. Spectroscopic analysis of HD 209458 b, an extrasolar planet in this constellation, has provided the first evidence...

substantial, approximately 500 K (500 °C; 900 °F) for a model based on HD 209458 b. They appear to be more common around F- and G-type stars and less so...