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29. 9. 2026
Stars | Exoplanets | Red dwarfs | TESSThe red dwarf star TOI-210 hosts a temperate sub-Neptune exoplanet, confirmed through a combination of transit observations and precise velocity measurements. This planet, designated TOI-210 b, orbits its host star every 9.01 days and maintains an equilibrium temperature of approximately 368 Kelvin. The system serves as a valuable laboratory for studying the composition and atmospheric retention of small, volatile-rich worlds orbiting small, cool stars.
TOI-210 b has a mass 6.75 times that of...
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29. 9. 2026Stars | Exoplanets | Planetary atmosphereTransmission spectroscopy is a primary method used to study the atmospheres of planets outside our solar system as they pass in front of their host stars. However, star spots and other surface features on a host star can mimic or hide the signal of a planet's atmosphere, causing errors in data gathered by telescopes like the James Webb Space Telescope. A new method has been developed to accurately measure and remove this stellar interference.
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Read article 29. 9. 2026Stars | Exoplanets | James Webb Space Telescope | Planetary atmosphereThe James Webb Space Telescope has provided detailed data on the atmospheres of two sub-Neptune planets orbiting the sun-like star TOI-125. By studying these two planets, TOI-125 b and TOI-125 c, within the same star system, researchers can compare how their atmospheres formed and evolved under similar conditions. Both planets show signs of dense, cloud-covered atmospheres or high levels of heavy elements, often referred to as metal enrichment, w...
Read article 29. 9. 2026Stars | Exoplanets | Planet formatioThe TW Hydrae protoplanetary disk, a swirling cloud of gas and dust surrounding a young star where planets are currently forming, contains a prominent localized accumulation of dust located at a distance of 52 astronomical units from the star. New observations provide a high-resolution look at the internal structure and movement of this feature, which is commonly referred to as a dust blob. The study clarifies how this material moves and its poss...
Read article 29. 9. 2026Stars | Exoplanets | Sun-like starA new low-mass planet, HD 126053 b, has been confirmed orbiting a solar-type star located within 25 parsecs (approximately 81.5 light-years) of the Sun. This planet completes an orbit around its host star every 10.91 days. The discovery was made using extreme precision radial velocity instruments, which detect the tiny wobbles in a star's position caused by the gravitational pull of orbiting planets. This method allows for the identification of s...
Read article 29. 9. 2026Stars | Exoplanets | Hubble | Orange dwarfThe rocky exoplanet TOI-2431 b, which orbits its host star in just 5.4 hours, has been studied using the Hubble Space Telescope to analyze its thermal characteristics. This planet is characterized by an extreme surface environment where day-night heat redistribution appears highly inefficient, preventing the transport of heat from the dayside to the nightside. This finding offers new insights into the nature of ultra-short-period planets.
Rese...
Read article 26. 9. 2026Stars | Exoplanets | Young Stellar ObjeThe infant star V1298 Tau, only about 20 million years old, hosts a system of four transiting planets. Determining the masses of these young worlds is essential for understanding how planetary systems form and evolve. Recent observations have provided updated mass constraints for these planets by monitoring the star over four and a half years to detect the subtle gravitational wobbles they induce on their host.
Researchers analyzed over 380 hi...
Read article 25. 9. 2026Stars | Exoplanets | Planet formatioThe Beta Pictoris debris disk—a massive ring of dust and rocky material surrounding a young star—contains a distinct structure called the Cat's Tail. By combining years of observations from the Hubble Space Telescope, researchers have captured the first visible and near-infrared light from this feature, allowing for a detailed study of the materials and origins of this unique dust formation.
Data gathered between 2012 and 2025 enabled the iden...
Read article 25. 9. 2026Stars | ExoplaneBeta Pictoris is a young, well-studied star system already known to host planets and a vast outer debris disk. New observations have provided a clearer look at the hot, fine dust orbiting very close to the star, known as exozodiacal dust. This material represents the fine, pulverized remains of collisions within the system and offers clues into the complex environment where planets and comets interact.
Using the MATISSE instrument at the Very ...
Read article 25. 9. 2026Stars | Brown dwarfs | James Webb Space Telescope | GaiThe brown dwarf WISEA J155349.96+693355.2 is a low-temperature, metal-poor object identified as the first of its kind to be associated with the Gaia-Enceladus substructure. This group of stars was once part of a separate dwarf galaxy that collided with our Milky Way billions of years ago. Observations have confirmed that this brown dwarf follows a distinct, highly eccentric orbit consistent with objects that originated outside the Milky Way and w...
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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
Latest scientific studies
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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