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 noticias
9. 7. 2024
Estrellas | Exoplanetas | CHEOPSJupiter-like giant is orbiting close to the star with a smaller Neptune-sized companion. The data also hint at a possible third, much farther out, planet....
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29. 6. 2024
EstreThe study suggest a mass transfer from other star, but no companion was detected so far...
13. 6. 2024
Estrellas | ExoplaneThe metallicity of the planet is similar to our Sun....
11. 6. 2024
Estrellas | Exoplanetas | Supertierras | Planetas océanoAstronomers used combinined high-precision data from TESS space telescope for transits and ESPRESSO instrument on VLT in Chile for radial velocity, that allowed them to measure mass and radius....
8. 6. 2024
Estrellas | ExoplaneRadius and temperature measured for stars in binary system EBLM J0608-59 (TOI-1338, BEBOP-1). Both stars in this system are orbited by at least two exoplanets....
5. 6. 2024
Estrellas | ExoplaneMagnetized winds play a crucial role in shaping the disc and its interaction with the planet. DM Tauri is a young forming star 470 light years away. It still has an accretion disc in which there is an exoplanet with mass around 53 Earths....
5. 6. 2024
Estrellas | ExoplaneA new machine learning method used to better separate the faint planet signal from the noisy starlight in images....
3. 6. 2024
Estrellas | ExoplaneExoplanet HIP 41378 d was previously observed transiting its star twice, three years apart. Astronomers now aimed the CHEOPS telescope for another observation, but surprisingly, no transit was detected...
30. 5. 2024
Estrellas | Exoplanetas | TESSIts density suggests a significant amount of volatile materials surrounding a rocky core....
27. 5. 2024 (aceptado)
Estrellas | ExoplaneAdditionally, another signal hints at the presence of a previously undetected planet orbiting farther from the star.
HD 73344 is an F-type star approximately 115 light-years away. At roughly 20% larger than our Sun, it hosts a sub-Neptune exoplanet with a density similar to Saturns. The possible second planet has been detected with a minimum mass around one-third that of Jupiter...
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Exoplanetas recién descubiertos
| 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 |
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