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Stellar Brief: 20. 10. 2026
Today’s standout finding changes the story of PDS 70: the young star is estimated to be 12 to 16 million years old, about three times older than previously thought. Alpha Centauri was the leading Stellarcatalog search query, with 1,537 impressions on October 19. Read today's Stellar Brief

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Second brown dwarf has been found in the LP 261-75 system
icon18. 11. 2024
iconSterne
Image: Second brown dwarf has been found in the LP 261-75 system
Its unusually small radius hints at a unique origin, unlike other young brown dwarfs....
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Discovery of NGTS-33 b: a young super-Jupiter orbiting a fast-spinning A-type star every 2.83 days
icon15. 11. 2024
iconSterne | Exoplanete
Image: Discovery of NGTS-33 b: a young super-Jupiter orbiting a fast-spinning A-type star every 2.83 days
With a mass of 3.6 Jupiters and low density, it’s an ideal JWST target for atmospheric study....
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Observations hint at a potential close companion to known ultra-hot Jupiter TOI-2109 b
icon13. 11. 2024
iconSterne | Exoplanete
Image: Observations hint at a potential close companion to known ultra-hot Jupiter TOI-2109 b
If confirmed, the system may join the rare few with exoplanets near hot Jupiters....
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Sub-Neptune HD 119130 b previously believed to be ultra-dense is much lighter
icon6. 11. 2024
iconSterne | Exoplanete
Image: Sub-Neptune HD 119130 b previously believed to be ultra-dense is much lighter
Sub-Neptune HD 119130 b was once believed to be ultra-dense. New data however show a much lower mass of about 9 Earths instead of previous estimated of 24.5 Earths, making it much less dense....
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Observations of the massive star systems HD 168112 and HD 167971 reveal emissions from wind collisions
icon23. 10. 2024
iconSterne
Image: Observations of the massive star systems HD 168112 and HD 167971 reveal emissions from wind collisions
These collisions produce shocks and accelerating electrons, leading to varying X-ray intensity based on the stars' orbits....
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Despite being twins, M dwarf stars in wide binaries show surprising differences in magnetic activity
icon8. 10. 2024
iconSterne
Image: Despite being twins, M dwarf stars in wide binaries show surprising differences in magnetic activity
For instance, in Gliese 1183, star A has stronger X-ray and Hα emissions than B, despite similar rotation speeds....
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A new exoplanet discovered orbiting Barnard's star, the second closest star to our Solar system
icon2. 10. 2024
iconSterne | Exoplanete
Image: A new exoplanet discovered orbiting Barnard
This planet is smaller than Earth and orbits its star in just 3.15 days....
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Newly discovered super-Neptune TOI-5005 b orbits its star near the ridge between the Neptunian desert and savanna regions
icon27. 9. 2024
iconSterne | Exoplanete
Image: Newly discovered super-Neptune TOI-5005 b orbits its star near the ridge between the Neptunian desert and savanna regions
The star TOI-5005 is bright, making it ideal for further study. The ridge is densely populated with Neptune-sized exoplanets, unlike the desert and savanna regions, where only few were found....
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First detection of a distinct silicate clouds on the day side of hot Jupiter
icon18. 9. 2024
iconSterne | Exoplanete
Image: First detection of a distinct silicate clouds on the day side of hot Jupiter
James Webb detected quartz in the atmosphere of exoplanet HD 189733 b. Hot Jupiter HD 189733 b orbits a nearby star HD 189733 that is smaller than the Sun and lies only 64 light years away. The planet orbits close to the star with period only 2.2 days. The temperature in its atmosphere rises to scorching 1000 °C....
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Simulations suggest that rare Neptune-like planets orbiting close to their stars can form through a series of collisions between smaller planets
icon15. 9. 2024
iconSterne | Exoplanete
Image: Simulations suggest that rare Neptune-like planets orbiting close to their stars can form through a series of collisions between smaller planets
This process could explain the existence of LHS 3154 b....
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Neu entdeckte Exoplaneten

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
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