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Sun-like stars
Sun-like stars are yellow dwarfs on the main sequence. Imagine our solar system as a standard model: these stars have similar mass, temperature, and luminosity to our Sun. In their cores, thermonuclear fusion of hydrogen into helium occurs, providing stability for billions of years. They are ideal candidates for seeking habitable planets because they provide a steady source of energy and heat, much like the engine at the center of our own home. Their surface temperature ranges from about 5,000 to 6,000 degrees Celsius, giving them their characteristic yellowish glow.
- Percentage of Sun-like stars within 98.5 light years: 4.11 % (391 from 9520 stars)
- Average mass of Sun-like stars: 80-120% solar mass
- Average radius of Sun-like stars: 80-120% solar radius
- Average temperature of Sun-like stars: 5200-6000 K
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Thick-disk stars identified as hosts to ancient hot jupiter planets
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Stars | Exoplanets | Sun-like stars | Hot Jupiter | Planet formatioLarge gas giant planets that orbit very close to their parent stars are known as hot Jupiters. By analyzing a sample of 268 stars, researchers have identified several hot Jupiters orbiting stars belonging to the high-alpha thick disk of our galaxy. The thick disk represents a component of the Milky Way containing older stars with specific chemical signatures, particularly higher amounts of alpha elements like magnesium, silicon, and calcium relative to iron. These systems are significantly older...
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12. 10. 2026Stars | Exoplanets | Sun-like stars | Hot Jupiter | Planetary atmosphereObservations of the hot Jupiter WASP-39 b reveal significant differences between its morning and evening atmospheres. Climate models successfully match temperature patterns but still struggle to explain the observed asymmetry in carbon dioxide levels....
9. 10. 2026Stars | Exoplanets | Sun-like stars | Planetary atmosphereNew observations of the ultrahot Neptune LTT 9779 b reveal the presence of water vapor on its dayside. The planet shows no signs of thermal inversion or significant atmospheric escape, supporting the theory that it is a tidally locked world....
7. 10. 2026Stars | Exoplanets | Sun-like starNew statistical analysis refines planetary data. By checking the influence of individual measurements, researchers revised the mass of HD 119130 b, clarified the orbit of Gliese 4276, and confirmed the three-planet system orbiting Gliese 357....
5. 10. 2026Stars | Exoplanets | Sun-like starNew research shows that the atmospheric analysis of WASP-39 b was limited by missing radius data. By incorporating the planet's radius into models, researchers have achieved a highly accurate fit for James Webb Space Telescope data. #Exoplanets #WASP39b #JWST...
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Browse the latest scientific studies on stars and exoplanets in our galaxy. Stellar Catalog provides access to scientific data from astrophysics and stellar or planetary astronomy. It's a resource for anyone interested in the newest discoveries about what lies beyond our solar system.
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