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Stellar Brief: 20. 10. 2026
The planet-forming disk around HD 100546 contains an unexpectedly high amount of methyl formate: ALMA measured a methyl-formate-to-methanol ratio of about 2, hinting that active chemistry is reshaping the ingredients from which planets form. Read today's Stellar Brief

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Latest astronomy zprávy

Newly discovered planet candidate HD 104067 d could be exposed to extreme tidal forces from its neighbors
icon25. 3. 2024 (přijato)
iconHvězdy | Exoplanety
Image: Newly discovered planet candidate HD 104067 d could be exposed to extreme tidal forces from its neighbors
Temperatures on this world would make its surface glow with lava....
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Disc surrounding close binary FO Tauri is aligned with the orbit of stars
icon19. 3. 2024 (přijato)
iconHvězdy
Image: Disc surrounding close binary FO Tauri is aligned with the orbit of stars
It could be evidence for a stable system which might allow for exoplanet formation...
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Brown dwarf / giant exoplanet BD-14 3065 b has double the radius of Jupiter and is the largest object detected around post-main sequence star
icon18. 3. 2024 (přijato)
iconHvězdy | Exoplanety | Hnědí trpaslíci
Image: Brown dwarf / giant exoplanet BD-14 3065 b has double the radius of Jupiter and is the largest object detected around post-main sequence star
The inflated size could be sign of deuterium burning....
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Newly discovered Neptune-sized planet TOI 4438 b orbits a nearby star every 7.44 days
icon14. 3. 2024 (přijato)
iconHvězdy | Exoplanety
Image: Newly discovered Neptune-sized planet TOI 4438 b orbits a nearby star every 7.44 days
It is likely rich in volatile elements like water and may have a thick atmosphere, which makes it great target for further study....
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Third planet confirmed orbiting red dwarf LHS 1678 A
icon29. 2. 2024 (přijato)
iconHvězdy | Exoplanety
Image: Third planet confirmed orbiting red dwarf LHS 1678 A
It is similar in size to Earth and to another planet in the system which makes it a great target for comparing evolution of planets in different orbits around star....
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Astronomers investigated 6 young stars with protoplanetary discs in nearby Taurus stellar nursery
icon28. 2. 2024 (přijato)
iconHvězdy
Image: Astronomers investigated 6 young stars with protoplanetary discs in nearby Taurus stellar nursery
Most disks show complex structures like rings and cavities, hinting at planet formation...
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Observations of WASP 77 A b show water vapor, carbon monoxide, and titanium oxide in the atmosphere
icon28. 2. 2024 (přijato)
iconHvězdy | Exoplanety
Image: Observations of WASP 77 A b show water vapor, carbon monoxide, and titanium oxide in the atmosphere
The ratio of carbon to oxygen suggests the planet formed close to its star...
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Fourth planetary system with nodal precession identified. TOI 1518 b grazes the disk of its parent star
icon27. 2. 2024 (přijato)
iconHvězdy | Exoplanety
Image: Fourth planetary system with nodal precession identified. TOI 1518 b grazes the disk of its parent star
The planets orbit is not perfectly aligned with the stars equator, but tilted at a sharp angle. This tilt, combined with the stars rapid rotation, causes the planets trajectory to slowly wobble over time, a phenomenon called nodal precession....
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Second sub-Neptune exoplanet discovered around orange dwarf star TOI 238
icon6. 2. 2024 (přijato)
iconHvězdy | Exoplanety
Image: Second sub-Neptune exoplanet discovered around orange dwarf star TOI 238
The first planet TOI 238 b is a super-Earth with 1.4 Earth radii and was discovered just last year. Newly discovered TOI 238 c with 2.2 radii could be a water-rich world....
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New ultra-short-period exoplanet slightly bigger than Earth discovered orbiting the nearby star Wolf 327
icon22. 1. 2024 (přijato)
iconHvězdy
Image: New ultra-short-period exoplanet slightly bigger than Earth discovered orbiting the nearby star Wolf 327
The planet has a radius of 1.24 Earth radii, a mass of 2.53 Earth masses, and an equilibrium temperature of 996 degrees Kelvin. It is likely composed of a large iron core, a small rocky mantle, and a negligible atmosphere....
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Nově objevené exoplanety

 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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Latest scientific studies

Projděte si nejnovější vědecké studie o hvězdách a exoplanetách v naší galaxii. Objevte nejnovější výzkumy astrofyziky a hvězdné astronomie.

 TIC 402710280
218 ly
 study icon A 36.34-day Sub-Neptune Candidate Transiting the Nearby K Dwarf TIC 402710280
today

LTT 9779
264 ly
 study icon Granulation in Color: The Chromatic Stellar Flicker of LTT-9779 and WASP-121
today

HD 112485
5881 ly
 study icon Ensemble pulsational characteristics of eclipsing binaries containing β Cep stars observed by the TESS mission
yesterday

HD 100546
359 ly
 study icon An ALMA view on molecular complexity: water, methanol, and methyl formate in the HD 100546 and IRS 48 disks
yesterday

HD 120678
5829 ly
 study icon HD 120678: a classical Be star with a tilting heartbeat disk
18. 10. 2026

33 G. Librae
19.2 ly
 +1 study icon EPRV Asteroseismology of the K dwarfs GJ 570 A and GJ 783 A with ESPRESSO. Empirical mode-amplitude scaling in tension with 3D convection simulations
18. 10. 2026

WISE 0855-0714
7.3 ly
 study icon Water Cloud and Chemical Modulations in the Coldest Brown Dwarf
17. 10. 2026

TOI-5322
1560 ly
 +1 study icon A Sample of Thick-Disk Stars Hosting Hot Jupiters
17. 10. 2026

WD J1330+6435
282 ly
 study icon Any colour you like: the diverse chromaticities of white dwarfs
17. 10. 2026

WASP-33
378 ly
 study icon Identifying deformed exoplanets with JWST and Ariel: A target selection metric for phase curve observations
16. 10. 2026
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