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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

New observations of a warm Neptune GJ 436 b didn't find any signs of water vapor, methane, or carbon monoxide in its atmosphere
icon10. 7. 2024
iconHvězdy | Exoplanety
Image: New observations of a warm Neptune GJ 436 b didn
The planet may be shrouded in very high clouds, or its atmosphere has an unexpected abundance of metals...
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Hydrogen sulfide (H2S) discovered in the atmosphere of nearby giant planet HD 189733 A b
icon9. 7. 2024
iconHvězdy | Exoplanety
Image: Hydrogen sulfide (H2S) discovered in the atmosphere of nearby giant planet HD 189733 A b
This and other elements like water and carbon monoxide suggest the planet formed from icy materials...
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CHEOPS telescope helped precisely measure two-planet system TOI 1130
icon9. 7. 2024
iconHvězdy | Exoplanety | CHEOPS
Image: CHEOPS telescope helped precisely measure two-planet system TOI 1130
Jupiter-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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Rare metal-poor star rich in lithium HE0057-5959 has an unclear origin
icon29. 6. 2024
iconHvězdy
Image: Rare metal-poor star rich in lithium HE0057-5959 has an unclear origin
The study suggest a mass transfer from other star, but no companion was detected so far...
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Water vapor and carbon monoxide detected in the atmosphere of ultra-hot Jupiter WASP 178 b
icon13. 6. 2024
iconHvězdy | Exoplanety
Image: Water vapor and carbon monoxide detected in the atmosphere of ultra-hot Jupiter WASP 178 b
The metallicity of the planet is similar to our Sun....
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Three super-Earths TOI-260 b, TOI-286 b, and TOI-286 c confirmed
icon11. 6. 2024
iconHvězdy | Exoplanety | Superzemě | Oceánské planety
Image: Three super-Earths TOI-260 b, TOI-286 b, and TOI-286 c confirmed
Astronomers 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....
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icon8. 6. 2024
iconHvězdy | Exoplanety
Image:
Radius 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....
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Exoplanet hidden in DM Tauri disc might be less massive than previously thought
icon5. 6. 2024
iconHvězdy | Exoplanety
Image: Exoplanet hidden in DM Tauri disc might be less massive than previously thought
Magnetized 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....
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By analyzing images taken years ago astronomers successfully revealed the presence of a giant exoplanet AF Leporis b
icon5. 6. 2024
iconHvězdy | Exoplanety
Image: By analyzing images taken years ago astronomers successfully revealed the presence of a giant exoplanet AF Leporis b
A new machine learning method used to better separate the faint planet signal from the noisy starlight in images....
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icon3. 6. 2024
iconHvězdy | Exoplanety
Image:
Exoplanet 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...
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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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