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Stellar Brief: 20. 10. 2026

Today’s standout finding changes the story of PDS 70: the young star is estimated to be 12 to 16 million years old, about three times older than previously thought. Alpha Centauri was the leading Stellarcatalog search query, with 1,537 impressions on October 19. Read today's Stellar Brief

Latest astronomy noticias

Rapidly rotating magnetic star HR 5907 emits unusual low-frequency radio signals

23. 1. 2025

Estrellas | Estrellas masivas de la secuencia princi

Image: Rapidly rotating magnetic star HR 5907 emits unusual low-frequency radio signals

Its circular polarization suggests persistent auroral activity via electron cyclotron maser emission...

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Three extremely metal-poor RR Lyrae stars were analyzed using high-resolution spectra

14. 1. 2025

Estre

Image: Three extremely metal-poor RR Lyrae stars were analyzed using high-resolution spectra

Their movement suggests mixed origins - in galactic disk and halo....

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A disintegrating rocky planet discovered orbiting a bright K-dwarf BD+05 4868 A

10. 1. 2025

Estrellas | Exoplane

Image: A disintegrating rocky planet discovered orbiting a bright K-dwarf BD+05 4868 A

When transiting in front of the star, comet-like tails both leading and trailing are visible, indicating large dust grains and rapid mass loss...

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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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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
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

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

PDS 70 370 ly		Kinematic structure and age of a Scorpius--Centaurus subcomponent: implications for PDS 70 planetary system today
TIC 402710280 218 ly		A 36.34-day Sub-Neptune Candidate Transiting the Nearby K Dwarf TIC 402710280 today
LTT 9779 264 ly	+1	Granulation in Color: The Chromatic Stellar Flicker of LTT-9779 and WASP-121 today
HD 112485 5881 ly		Ensemble pulsational characteristics of eclipsing binaries containing β Cep stars observed by the TESS mission yesterday
HD 100546 359 ly		An ALMA view on molecular complexity: water, methanol, and methyl formate in the HD 100546 and IRS 48 disks yesterday
HD 120678 5829 ly		HD 120678: a classical Be star with a tilting heartbeat disk 18. 10. 2026
33 G. Librae 19.2 ly	+1	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		Water Cloud and Chemical Modulations in the Coldest Brown Dwarf 17. 10. 2026
TOI-5322 1560 ly	+1	A Sample of Thick-Disk Stars Hosting Hot Jupiters 17. 10. 2026
WD J1330+6435 282 ly		Any colour you like: the diverse chromaticities of white dwarfs 17. 10. 2026

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