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Liste des Naines brunes

        
    
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Etoile 161-180
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Nom de l étoile Mass Distance

CFBDS J003402-005206
T8+/Y? - 41 ly

SIPS J0921-2104
L1 - 41 ly

SIPS J0539-0059
2MASS J05395200-0059019, SDSS J053951.99-005902.0, WISEA J053952.11-005858.1
L5V - 41.3 ly

2MASS J0523-1403
2MASS J05233822−1403022, 2MUCD 10390, B2006 J052338.2−140302, 2MASSI J0523382−140302, USNO-B1.0 0759−00062850, TIC 442929628, WISEA J052338.30-140300.3
L2.5V 0.06 M☉ 41.5 ly

2MASS J0144-0716
2MASS J01443536-0716142
L6.5 - 41.5 ly

UCAC4 317-104829
- 42.5 ly

2MASS J16291840+0335371
T2 - 42.6 ly

2MASS J08300825+4828482
L9.5 - 42.7 ly

LP 12-382
2MASS J00304867+7742338, NLTT 1619, TIC 428740087, USNO-B1.0 1677-00004985, LSPM J0030+7742
- 42.7 ly

Gaia EDR3 2021981409373336448
- 42.8 ly

2MASS J0500+0330
2MASS J05002100+0330501
L4pec - 43.1 ly

2MASS J11220826-3512363
TIC 57183112, WISEP J112208.14-351239.7
T2 0 M☉ 43.2 ly

2MASS J1225-2739
2MASS J12255432-2739466, 2MASSI J12255432-2739466, 2MASSW J1225543-273947, TIC 443626421, WDS J12259-2740AB
T5.5+T8 - 43.4 ly

2MASS J16283855+2308241
SDSS J162838.77+230821.1, TIC 345664442, WISE J162838.09+230822.7
T7.0 - 43.4 ly

2MASS J15530228+1532369
BUG 11, SDSS J155302.09+153237.8, TIC 172607100, WISE J155301.95+153238.8, EQ J1553+1532
T6.5+T7.5 - 43.4 ly

2MASSI J2356-1553
2MASSI J2356547-155310
T5.8 - 43.8 ly

2MASS J1600-4543
2MASS J16001853-4543248
- 43.9 ly

2MASS J1254-0122
2MASS J12545393-0122474
T2e: - 44 ly

2MASS J1555-0956
2MASS J15551573-0956055
L1.6V - 44.1 ly

SDSS J1758+4633
SDSS J175805.46+463311.9
T7 - 44.2 ly
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Naines brunes nouvelles

Patchy water clouds and chemical changes observed on brown dwarf WISE 0855
icon17. 10. 2026
iconÉtoiles | Naines brunes | Atmosphères planétaire
Image: Patchy water clouds and chemical changes observed on brown dwarf WISE 0855
WISE 0855 represents the coldest known brown dwarf, an object too large to be a planet but too small to sustain the nuclear fusion that powers stars. With a temperature of roughly 265 Kelvin, it is cold enough to host complex atmospheric phenomena similar to those seen on gas giant planets in our solar system. Observations reveal that this object is not uniform but features patchy water clouds distributed throughout its atmosphere, which influence its light patterns over time. To study this, ...
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Massive brown dwarf HD 203771 b confirmed in eccentric orbit around orange dwarf
icon14. 10. 2026
iconÉtoiles | Exoplanètes | Naine orange | Naines brune
Image: Massive brown dwarf HD 203771 b confirmed in eccentric orbit around orange dwarf
Massive brown dwarf HD 203771 b confirmed in an eccentric orbit around an orange dwarf star. New mass measurements place the companion at approximately 70 times the mass of Jupiter, revealing insights into how brown dwarfs migrate inward over time....
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Silicate clouds and gaseous silicon monoxide identified in three early L-dwarf objects
icon9. 10. 2026
iconÉtoiles | Naines brunes | Atmosphères planétaire
Image: Silicate clouds and gaseous silicon monoxide identified in three early L-dwarf objects
Analysis of three early L-dwarfs, HD 89744 B, Gliese 1048 B, and LSPM J0632+5053 B, reveals gaseous silicon monoxide and silicate clouds in their atmospheres. JWST data confirms these mineral clouds form as silicon gas condenses, mimicking processes in giant planets....
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study iconResearch in Naines brunes

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Frequently Asked Questions about nearby stars

What is the nearest star?

Nearest star is Proxima Centauri, located approximately 4.24 light-years (1.30 parsecs) from the Sun. It is part of the Alpha Centauri star system, which also includes Alpha Centauri A and Alpha Centauri B.

What are the nearest stars to Earth?

Nearest stars to Earth include the Alpha Centauri system (Alpha Centauri A, Alpha Centauri B, and Proxima Centauri), Barnard's Star, and Wolf 359. There are also brown dwarfs Luhman 16 and WISE 0855−0714.

What is the solar neighborhood?

Solar neighborhood (also Local Interstellar Cloud) is the region of interstellar space that surrounds the Sun with diameter about 15 light years. Stellar Catalog database includes all stars contained within this region.

How do astronomers measure distances to stars?

Astronomers use methods like parallax, standard candles, and redshift to measure distances to stars. Parallax is especially useful for nearby stars in our solar neighborhood, while other techniques help map the universe beyond.

Are there any exoplanets orbiting the nearest stars?

Yes, several exoplanets have been discovered orbiting the nearest stars. For example, Proxima Centauri has an exoplanet called Proxima Centauri b, which is located in the star's habitable zone and is the closest known exoplanet to Earth.

Why are the nearest stars important for astronomy and physics?

The nearest stars provide valuable laboratories for studying stellar evolution, space environments, and the fundamental physics of stars. Observing these stars helps astronomers understand the structure of our galaxy and the broader universe.
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exoplanet iconStellarGuide: Étoiles

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Étoiles
Les étoiles sont d’immenses sphères de gaz chaud qui brillent en produisant de l’énergie grâce à la fusion nucléaire dans leur noyau. La plupart des étoiles sont composées principalement d’hydrogène et d’hélium. Au centre d’une étoile, la pression et la température élevées provoquent la fusion des atomes d’hydrogène en hélium, libérant ainsi une énorme quantité d’énergie sous forme de lumière et de chaleur.
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