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Stellar Brief: 22. 10. 2026

A young, planet-hosting star called V1298 Tauri is showing how fiercely active infant planetary systems can be: radio emissions appeared in 90 percent of monitoring visits, while its X-ray brightness also changed and showed a stellar flare. Read today's Stellar Brief

Latest astronomy noticias

Discovery of TOI 6038 A b - a dense sub-Saturn in the transition between the Neptunian ridge and savanna

7. 1. 2025

Estrellas | TESS | Exoplane

Image: Discovery of TOI 6038 A b - a dense sub-Saturn in the transition between the Neptunian ridge and savanna

Its high-density core suggests tidal or disk migration to its current orbit....

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JWST observations of the disk around CX Tauri reveal unexpectedly bright CO₂ emission that dominates over H₂O

18. 12. 2024

Estrellas | Telescopio espacial James Webb

Image: JWST observations of the disk around CX Tauri reveal unexpectedly bright CO₂ emission that dominates over H₂O

This may mean that CO₂-rich gas is replacing previously accreted H₂O-rich material, influenced by low accretion luminosity....

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Simulations of TRAPPIST-1 e, f, and g reveal how CO2 and H2O shape atmospheres during magma ocean stages

16. 12. 2024

Estrellas | Exoplanetas | Atmósferas planetarias | Enanas rojas | Planetas de lav

Image: Simulations of TRAPPIST-1 e, f, and g reveal how CO2 and H2O shape atmospheres during magma ocean stages

CO2 slows water loss and extends mantle solidification, affecting habitability. TRAPPIST-1 e may end with a thick CO2 layer or desiccate like inner planets....

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Two Earth-sized planets and a similar-sized candidate found to orbit a nearby star HD 101581

13. 12. 2024

Estre

Image: Two Earth-sized planets and a similar-sized candidate found to orbit a nearby star HD 101581

The two inner planets orbit near a 4:3 resonance....

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The OrCAS survey targets 26 sub-Neptune systems to refine their masses, radii, and densities

27. 11. 2024

Estrellas | Exoplane

Image: The OrCAS survey targets 26 sub-Neptune systems to refine their masses, radii, and densities

Aiming to uncover their atmospheric compositions and formation histories....

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JWST observations of the nearby cool Y-dwarf WISE 0855-0714 reveal deuterated methane

25. 11. 2024

Estrellas | Enanas marrones | Objetos estelares jóvene

Image: JWST observations of the nearby cool Y-dwarf WISE 0855-0714 reveal deuterated methane

Phosphine was also detected at a part-per-billion level, hinting at complex chemistry....

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A powerful stellar prominence eruption was observed on red dwarf LAMOST J0444+2356

19. 11. 2024

Estre

Image: A powerful stellar prominence eruption was observed on red dwarf LAMOST J0444+2356

The prominence mass is the highest recorded for any star relative to its size....

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Second brown dwarf has been found in the LP 261-75 system

18. 11. 2024

Estre

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

15. 11. 2024

Estrellas | Exoplane

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

13. 11. 2024

Estrellas | Exoplane

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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Exoplanetas recién descubiertos

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
L 115-21 b	10 / 2026	0.4 M_⊕	41.9 ly
TIC 219893931 b	09 / 2026	8.9 M_⊕	1319.5 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

Newly discovered exoplanets

Latest scientific studies

Explore los últimos estudios científicos sobre estrellas y exoplanetas en nuestra galaxia. Descubra las últimas investigaciones sobre astrofísica y astronomía estelar.

V1298 Tauri 352 ly		Radio and high-energy variable emission from a multi-wavelength follow-up of the infant planet-hosting star V1298 Tau today
TYC 5709-354-1 437 ly		Predictions for an unseen third planet in the WISPIT 2 system today
TIC 220432308 1129 ly	+1	Two Validated Planets and 179 Candidates From a TESS Faint Star Transit Search in the ULTRASAT Fields yesterday
TOI 431 106 ly	+4	Thermal Evolution of Lava Planets Across System Ages: Predictions for Hell of a Survey yesterday
L 115-21 41.9 ly		A sub-Earth-sized TESS planet candidate in the nearby M-dwarf binary GJ 774, most likely orbiting GJ 774 A (TIC 351339274) yesterday
TOI-3686 841 ly		TOI-3686: A Hot Jupiter and Sub-Neptune In A 2:1 Mean-Motion Resonance yesterday
TOI-270 73.3 ly		Ammonia-Hydrogen Phase Equilibria in Planetary Envelopes from First-Principles-Based Machine-Learning Molecular Dynamics yesterday
PDS 70 370 ly		Kinematic structure and age of a Scorpius--Centaurus subcomponent: implications for PDS 70 planetary system 20. 10. 2026
TIC 402710280 218 ly		A 36.34-day Sub-Neptune Candidate Transiting the Nearby K Dwarf TIC 402710280 20. 10. 2026
LTT 9779 264 ly	+1	Granulation in Color: The Chromatic Stellar Flicker of LTT-9779 and WASP-121 20. 10. 2026

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