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Stellar Brief: 22. 10. 2026
A young, planet-hosting star called V1298 Tauri is showing how fiercely active infant planetary systems can be: radio emissions appeared in 90 percent of monitoring visits, while its X-ray brightness also changed and showed a stellar flare.
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Latest astronomy Новости
9. 10. 2026
Звезды | Экзопланеты | Оранжевый карлик | TESS | CHEOPS | СуперземляResearchers have performed a detailed characterization of the exoplanet TOI-2211 b, a super-Earth orbiting an orange dwarf star. By combining data from multiple telescopes, the study identified the planet as a promising candidate for a hot water world. Additionally, the team detected a second, non-transiting planetary candidate within the same system, providing new insights into the architecture of this distant star system....
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8. 10. 2026Звезды | ЭкзопланетыResearchers have measured the orbital alignment of a Neptune-mass planet around the hot star WASP-195. By observing the Rossiter-McLaughlin effect, the study confirms that the planet maintains a spin-orbit alignment, providing insight into the migration history of this specific planetary system and helping to fill a data gap regarding smaller planets orbiting stars hotter than the sun....
Read article 7. 10. 2026Звезды | Экзопланеты | TESS | СубгигантыA new warm Jupiter named HD 715 b has been confirmed orbiting the bright subgiant star HD 715. Identified initially through a single transit event captured by the TESS mission, follow-up observations have revealed the planet's orbital characteristics. This system is particularly notable because the host star is among the most massive known to harbor a transiting warm Jupiter, providing new data on orbital diversity....
Read article 7. 10. 2026Звезды | Экзопланеты | Солнцеподобные звёздыAdvanced statistical methods help clarify planetary signals hidden within precise radial velocity data. By systematically testing how individual measurements influence a model, researchers have refined the mass estimate of HD 119130 b, clarified the orbital architecture of the Gliese 4276 system, and confirmed the three-planet structure orbiting Gliese 357 by testing for predictive consistency....
Read article 6. 10. 2026Звезды | Экзопланеты | Оранжевый карликObservations of the disintegrating rocky planet BD+05 4868 b reveal potential signatures of oxygen escaping from its surface. By analyzing the planet during transit, the recorded data suggest the presence of a mineral-vapor outflow. This finding provides insights into how intensely irradiated rocky worlds lose their material through evaporation processes....
Read article 6. 10. 2026Звезды | Экзопланеты | Красные карлики | Космический телескоп имени Джеймса Уэбба | Атмосферы планет | Планеты-океаныResearchers have analyzed the atmospheres of eight sub-Neptune planets orbiting Red dwarf stars using the James Webb Space Telescope. By studying the mean molecular weight of their gaseous envelopes, the team identified a new category of intermediate planets, dubbed hybrid worlds, which do not fit the traditional definitions of simple gas-enveloped rocks or water-rich worlds formed in the outer solar system....
Read article 6. 10. 2026Звезды | Экзопланеты | Молодые звездные объектыObservations of the protoplanetary disc surrounding the star HD 139614 reveal complex light patterns caused by an inclined planet. By analyzing scattered-light images, researchers identified shifting brightness in the inner ring and a distinct spiral structure. A physical model suggests that a tilted planet forces inner parts of the disc to warp and precess, casting long-lasting shadows across the outer regions....
Read article 6. 10. 2026Звезды | Экзопланеты | | Горячий юпитерMagnetic fields play a vital role in shaping the atmospheres of planets, yet measuring them around close-in worlds remains difficult. A recent analysis of the ultra-hot Jupiter KELT-9 b sought to detect a magnetic field using the Zeeman effect in atomic lines. While a marginal signal was observed in 2025, subsequent observations failed to replicate the result, leaving the presence of the field unconfirmed....
Read article 5. 10. 2026Звезды | Экзопланеты | TESS | ГигантыA large-scale analysis of TESS mission data has confirmed 29 new hot and warm Jupiter-sized planets orbiting bright stars. By using space-based transits and ground-based observations, the study provides a consistent dataset of these massive worlds, revealing new details about their orbits, masses, and stellar environments, including the identification of three new bound stellar companions in these systems....
Read article 5. 10. 2026Звезды | Экзопланеты | ГигантыResearchers have identified 29 potential outer giant planets orbiting within existing exoplanetary systems by analyzing stellar motion data. By utilizing measurements from the Hipparcos and Gaia space missions, the team detected the subtle gravitational tugs these distant companions exert on their host stars, providing new targets for future observations to understand how these planets shape their systems....
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Недавно обнаруженные экзопланеты
| EK Chamaeleontis b | 10 / 2026 | 2702.2 M⊕ | 321.3 ly | |
| HD 715 b | 10 / 2026 | 201.9 M⊕ | 542.8 ly | |
| DENIS J1253-5709 b | 10 / 2026 | 244.8 M⊕ | 54.4 ly | |
| L 115-21 b | 10 / 2026 | 0.4 M⊕ | 41.9 ly | |
| TIC 219893931 b | 09 / 2026 | 8.9 M⊕ | 1319.5 ly | |
| TOI-6417 b | 09 / 2026 | 349.7 M⊕ | 1903.9 ly | |
| TOI-6443 b | 09 / 2026 | 1605.4 M⊕ | 2051.6 ly | |
| TOI-7219 b | 09 / 2026 | 661 M⊕ | 1074.2 ly | |
| TOI-4079 B b | 09 / 2026 | 1646.8 M⊕ | 1185.6 ly | |
| HD 45652 b | 09 / 2026 | 1557.7 M⊕ | 113.9 ly | |
| LSPM J0804+1116 b | 09 / 2026 | 6.4 M⊕ | 82.6 ly | |
| HR 8799 f | 09 / 2026 | 524.5 M⊕ | 133.3 ly | |
| 61 Cygni A b | 09 / 2026 | 2543.3 M⊕ | 11.4 ly | |
| TOI-5646 b | 08 / 2026 | 45.9 M⊕ | 1352.3 ly | |
| TOI-4468 c | 08 / 2026 | 11.1 M⊕ | 1233.1 ly |
Newly discovered exoplanets
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