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Catalogue étoile
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Liste des etoile

        Notre galaxie, la Voie lactée, abrite des milliards d'étoiles, des plus massives et brillantes aux plus faibles vestiges stellaires. Certaines étoiles sont isolées, tandis que beaucoup font partie de systèmes binaires ou multiples. Cette page présente une liste des étoiles les plus proches du Système solaire, permettant de cartographier notre voisinage stellaire et de comprendre la diversité des étoiles qui nous sont les plus proches.

La liste peut être filtrée par catégorie stellaire, ce qui vous permet d'explorer des types d'étoiles spécifiques comme les naines rouges, les étoiles semblables au Soleil, les naines blanches ou les naines brunes. Cette vue flexible facilite la comparaison de différentes populations stellaires et la concentration sur les objets d'intérêt. Bien que l'accent soit mis principalement sur les étoiles proches, le catalogue s'étend également au-delà de notre voisinage immédiat, offrant une perspective plus large sur les types d'étoiles au sein de notre galaxie.
    
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Etoile 5941-5960
>
Nom de l étoile Mass Distance

Gaia DR2 6734417258848246400
- 84.4 ly

LSPM J2329+4626
- 84.4 ly

2MASS J11165022-2823226
- 84.4 ly

Gliese 160.2
GJ 160.2, Gliese 9144, GJ 9144, LHS 1628, BD-21 784, HIC 19165, HIP 19165, LFT 330, L 661-29, LTT 1866, NLTT 12573, 2MASS J04063483-2051103, SAO 169128, TIC 178351350, TYC 5889-644-1, WISEA J040634.88-205119.1
K7V C 0.69 M☉ 84.4 ly

SIPS J0227-6447
- 84.4 ly

PM J17007+1044
M3.33 - 84.4 ly

RX J091950.0+622710
M1e - 84.4 ly

MACHO 311.38229.12
- 84.4 ly

UCAC4 334-060542
- 84.4 ly

Gaia DR3 4124226716675734528
- 84.4 ly

PM J03245-5220
- 84.4 ly

Gaia DR3 4043831113576923520
- 84.4 ly

G 235-25
M4.0V - 84.4 ly

BD+39 1860
2MASS J07080936+3853293, TIC 156786411, TYC 2943-624-1
A2 D - 84.4 ly

LP 895-25
- 84.4 ly

WT 818
- 84.4 ly

2MASS J17094464-7226593
- 84.4 ly

G 75-27
- 84.4 ly

UCAC4 409-021682
- 84.5 ly

Ross 415
M3.0 - 84.5 ly
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Etoile 5941-5960
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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.
More about Étoiles tag icon

Stellar categories

A comparison of spectral classes and typical stellar properties across the catalog categories.
Category Classe spectrale Typical mass (% of solar mass) Typical size (% of solar radius) Typical temperature (K)
, , 10-200% 50-300% 2000-10000 K
L, T, Y 1.2-8.0% 9-11% 600-2500 K
M 7.5-50% 10-60% 2400-3900 K
K 50-80% 60-90% 3900-5200 K
G 80-120% 80-120% 5200-6000 K
A, F, B, O 200-3000% 200-5000% 7000-40000 K
K|G|F|A|B 80-150% 120-300% 4500-6000 K
A|B|O, G|F|A, M|G|F|A, K|M|S 50-300% 500-20000% 3000-5000 K
K|M|C, G|F, B|O 500-10000% 10000-100000% 3000-35000 K
A|B, G|F, K|M 2000-20000% 50000-200000% 3000-40000 K
WC|WN|WO 1000-10000% 50-500% 30000-200000 K
DA|DC|DQ|DZ 20-140% 0.7-1.5% 5000-150000 K
100-300% 0.001-0.002% 600000-1000000 K
, , 300-10000000% 0.000001-1% 0-10000000 K

Évolution stellaire

Stars are born and die in various ways depending on their mass, composition, and other factors. The most common life cycle for stars like our Sun involves several key stages.
Stellar evolution visualisation

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