Stellar Brief: 21. 10. 2026
Tau Ceti remains a high-interest target for enthusiasts, with new research exploring how volatile substances behave within planetary interiors. Understanding these processes is key to decoding the complex evolution of worlds far beyond our own solar system.
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Latest astronomy nouvelles
14. 6. 2023 (accepté)
Étoiles | Naines brunes | Naines blancheThanks to a tight orbit around a hot white dwarf, the secondary brown dwarf is the hottest known substellar object....
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13. 6. 2023 (accepté)
Étoiles | ExoplanèteIt is a second planet discovered in this star system....
12. 6. 2023 (accepté)
Étoiles | ExoplanèteThe new detections include a temperate Neptune planet (min 20 Earth masses) in a 281.4-day orbit and a hot super-Earth (3.7 Earth masses) in a 12.95-day orbit. The system was already known to have one hot Jupiter in a 39-day orbit and a warm super-Neptune in a 102-day orbit....
9. 6. 2023 (accepté)
ÉtoileCentral pair of Epsilon Lupi is the first known high-mass, main sequence binary embedded in an interacting magnetosphere....
8. 6. 2023 (accepté)
Étoiles | Exoplanètes | TESSTOI-4010 is one of the few systems with multiple short-period sub-Saturns to be discovered so far. The system also contains a super-Jupiter further away from the star....
7. 6. 2023 (accepté)
Étoiles | ExoplanèteIt is a second planet discovered in this star system. ...
7. 6. 2023 (accepté)
Étoiles | TESS | CHEOPS | ExoplanèteThe HD 15906 system is one of only six multi-planet systems with two warm (< 700 K) sub-Neptune sized planets transiting a bright star (G < 10 mag). It is an excellent target for detailed characterisation studies to constrain the composition of sub-Neptune planets and test theories of planet formation and evolution....
6. 6. 2023 (accepté)
| Étoiles | Naines blancheSix new runaway white dwarfs, including four stars with radial velocities > 1000 km/s....
5. 6. 2023 (accepté)
Étoiles | Naines blancheEstimated age of the system is 3.9 +- 1.9 billion years....
1. 6. 2023 (accepté)
Étoiles | Exoplanètes | TESS85 stellar systems with 108 exoplanet candidates were analyzed with data from TESS, Gaia and Keck telescopes. ...
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Exoplanètes nouvellement découvertes
| 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 | |
| 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 | |
| TOI-4468 b | 08 / 2026 | 170.1 M⊕ | 1233.1 ly | |
| TOI-4468 d | 08 / 2026 | 311 M⊕ | 1233.1 ly |
Newly discovered exoplanets
Latest scientific studies
Parcourez les dernières études scientifiques sur les étoiles et les exoplanètes de notre galaxie. Découvrez les dernières recherches en astrophysique et en astronomie stellaire.
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