Liste des Supergéantes

Plus à propos Supergéantes

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Etoile 21-40

		Mass	Distance
UY Scuti UY Sct, BD−12°5055, IRC −10422, RAFGL 2162, HV 3805, 2MASS J18273652-1227589, WISE J182736.57-122800.7, TIC 177198220, BD-12 5055, JP11 293, TIC 177198220, GEN# -0.01205055, 2MASS J18273652-1227589, TYC 5698-5176-1, GSC 05698-05176, PPM 234561, UBV M 5387, IRAS 18248-1229, RAFGL 2162, UCAC3 156-208543, IRC -10422, SV* HV 3805	M2-M4Ia-Iab	8 M☉	6314 ly
Eta Carinae Foramen, Tseen She, 231 G Carinae, HR 4210, HD 93308, CD−59°2620, IRAS 10431-5925, GC 14799, AAVSO 1041–59, Eta Argus		0 M☉	7500 ly
HD 187885 IRAS 19500-1709	F0Ie	1.2 M☉	8170 ly
HD 345439 2MASS J19584848+2305215, TIC 424048289, TYC 2141-2475-1, UCAC3 227-211416	B2V	8 M☉	8723 ly

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Etoile 21-40

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Research in Supergéantes

Parcourez les dernières études scientifiques sur les étoiles et les exoplanètes de notre galaxie. Découvrez les dernières recherches en astrophysique et en astronomie stellaire.

Les recherches en cours

	HD 153919 5155 ly			Constraints on cyclotron features and accretion regime in the high-mass X-ray binary 4U 1700--37 from NuSTAR 15. 2. 2026
	UY Scuti 6314 ly			Red Supergiant Candidates for Multimessenger Monitoring of the Next Galactic Supernova 20. 12. 2025
	Alpha Leporis 2219 ly			Magnetic field monitoring of four massive A-F supergiants 2. 7. 2025
	HD 179821 17234 ly			Dense Molecular Environments of B[e] Supergiants and Yellow Hypergiants 19. 6. 2023 (accepté)

Publications plus anciennes

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.

StellarGuide: Étoiles

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

Random terms

Position de la étoile Luminosité Température des étoiles Masse stellaire Taille de l´étoile L´âge des étoiles