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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 3561-3580
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Nom de l étoile Mass Distance

UCAC3 111-13461
- 71.4 ly

HD 45184
LTT 2547, HD 45184, SAO 171711, UCAC3 123-24555, CD-28 2981, HIC 30503, SKY# 10971, uvby98 100045184, CPD-28 1279, HIP 30503, SPOCS 311, WISEA J062443.79-284649.6, DENIS J062443.8-284648, HR 2318, TD1 7076, YZ 118 2962, GC 8299, IRAS 06227-2845, TIC 49831913, Gaia DR1 2898239464575224320, GEN# +1.00045184, 2MASS J06244387-2846483, TYC 6518-2342-1, Gaia DR2 2898239468873596800, GJ 3394, Gliese 3394, NLTT 16502, UBV 6421, GSC 06518-02342, PPM 250356, UBV M 12080
G2Va 1 M☉ 71.4 ly

2MASS J15371278-3954097
- 71.4 ly

G 263-10
M1V - 71.4 ly

WOH S 112
M - 71.4 ly

Gaia DR2 4101469261156164992
- 71.5 ly

BD+11 514
K4/5V - 71.5 ly

RX J1529.0+4646
M4.5V - 71.5 ly

BD+13 2721
K7V - 71.5 ly

G 106-45
M4.5 - 71.5 ly

CD-36 171
- 71.5 ly

2MASS J07161063-2011232
- 71.5 ly

PM J18453-3253
M1 - 71.5 ly

LSPM J2111+6553
M2.0V - 71.5 ly

UPM J0530+3217
- 71.5 ly

LSPM J2210+4250
- 71.5 ly

HD 211472
G 232-61, GJ 4268, Gliese 4268, 2MASS J22155413+5440224, V447 Lac, HIP 109926
K1V - 71.5 ly

G 262-29
M1V - 71.5 ly

LP 355-32
M3.0 - 71.6 ly

HD 71148
TYC 3415-2484-1, HIP 41484, HR 3309, BD+46 1398, Gliese 307.1
G1V - 71.6 ly
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Etoile 3561-3580
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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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