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23. 2. 2026
Stars | ExoplaneResearchers have discovered that the magnetic field of the giant planet WASP-18 b plays a dramatic role in controlling its weather. Because the planet is so close to its star, its atmosphere becomes 'ionized' or electrically charged.
This allows the planet's magnetic field to act like a physical brake on high-altitude winds, creating a 'stop and go' effect in the atmospheric flow. This magnetic drag, combined with frictional heating, creates unusual temperature patterns, including two distin...
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23. 2. 2026Stars | Exoplanets | TESS | Orange dwarfAstronomers have confirmed the existence of TOI-5734b, a 'hot sub-Neptune' planet orbiting a star slightly smaller and cooler than our Sun. Despite being about twice the size of Earth and nine times its mass, the planet has a density remarkably similar to our home world. This suggests that TOI-5734b is likely a rocky planet that has lost most of its original atmosphere due to the heat of its nearby young star.
Located in a system only about 5...
Read article 22. 2. 2026Stars | Gaia | Massive main-sequence starMost massive stars are born within crowded clusters in the flat disk of our Milky Way, yet some are found drifting far above or below this plane. By tracing the movements of 39 high-latitude B-type stars and nearly 450 star clusters using Gaia satellite data, researchers have successfully linked five of these 'orphaned' stars to their original birthplaces.
These stars were likely kicked out of their home clusters millions of years ago at high...
Read article 22. 2. 2026Stars | Chandra | Sun-like starAstronomers using the Chandra X-ray Observatory have achieved a scientific first by resolving the 'astrosphere'—a protective bubble created by stellar winds—around a young, Sun-like star named HD 61005. Located about 119 light-years away, this star is a much more active version of our own Sun as it appeared in its youth.
The study revealed a glowing halo of X-rays extending 220 astronomical units wide, caused by the star's wind crashing into t...
Read article 21. 2. 2026Stars | ExoplaneA new study using the ESPRESSO spectrograph has provided a precise look at the giant exoplanet WASP-31 b. Researchers confirmed that the planet’s orbit is nearly perfectly aligned with its star's rotation. While attempting to scan the planet's atmosphere for chemical elements, the team found that the signal was heavily obscured by distortions caused by the planet passing in front of its star. Although previously suggested elements like potassium ...
Read article 21. 2. 2026Stars | Exoplanets | TESSResearchers have discovered two new gas giant planets, TOI-883 b and TOI-899 b, which are similar in mass to a 'light' Saturn. These 'warm' giants orbit stars very much like our own Sun with orbital periods of approximately 10 and 11 days.
Despite their similar sizes and environments, the two planets appear to have different internal compositions. This suggests they may have followed different evolutionary paths, providing a unique opportunit...
Read article 16. 2. 2026Stars | Exoplanets | Young Stellar Objects | Planet formatioAstronomers using the ALMA telescope have detected rare molecules of silicon sulfide (SiS) in the dusty disk surrounding the young star PDS 66. This chemical signature is highly unusual because these molecules normally freeze onto dust grains in the cold reaches of a planetary system.
The detection of a warm, compact source of SiS gas about 60 astronomical units from the star suggests the presence of a 'protoplanet'—a planet still in the proc...
Read article 16. 2. 2026Stars | Exoplanets | Hot Jupiter | TESSAstronomers have discovered a massive gas giant planet, NGTS-38 b, orbiting a bright, metal-rich star similar to our Sun but slightly hotter. This 'warm super-Jupiter' stands out due to its unusually long orbital period of 180.5 days, which is much longer than most planets discovered by the transit method.
Unlike the scorched 'hot Jupiters' that orbit their stars in just a few days, NGTS-38 b maintains a relatively cool equilibrium temperatur...
Read article 15. 2. 2026StarScientists are testing a specialized method called intensity interferometry to measure the precise physical dimensions of 'Red Clump' stars, such as HD 17652. These aging stars are vital benchmarks used to calculate distances across the universe, including the gap between us and the Large Magellanic Cloud.
By analyzing how light interferes at different wavelengths, researchers can map the stellar surface and account for 'limb darkening'—the e...
Read article 15. 2. 2026Stars | NuSTAR | Supergiants | Neutron starUsing the NuSTAR space telescope, researchers have performed a deep analysis of the X-ray binary 4U 1700-37, a system where a compact object—likely a neutron star—is pulling material from a massive supergiant star HD 153919.
By studying the high-energy light emitted as this material falls toward the object, the team looked for 'cyclotron lines,' which act as a direct probe of a star's magnetic strength. While no rhythmic pulses were found, th...
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Recently discovered exoplanets
| 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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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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