Liste des Naines blanches

Plus à propos Naines blanches

	Mass	Distance
UCAC4 237-054895		-	77.7 ly
LEHPM 3726		-	77.8 ly
SCR J1927-0355 WD J1927-0355	DZA	-	77.8 ly
L 40-109	DA8.5	-	78.2 ly
EGGR 353	DA9	-	78.3 ly
GD 31	DA2.9	-	78.3 ly
G 105-30	DA8.5	-	78.4 ly
LAWD 4	DA5	-	78.5 ly
UCAC4 841-008563	DA	-	78.6 ly
GD 1072	DC	-	78.6 ly
SCR J2016-7945	DA8.5	-	78.8 ly
EGGR 200	DA4.9	-	78.8 ly
UCAC4 321-042755		-	78.9 ly
UCAC4 318-057456		-	78.9 ly
LP 577-36	DA9	-	79 ly
UCAC4 495-085664		-	79.1 ly
LSPM J0433+0414	DA	-	79.2 ly
GD 1192	DA3.7	-	79.4 ly
EGGR 51	DQ8	-	79.5 ly
G 272-60	DA6	-	79.5 ly

Naines blanches nouvelles

White dwarf stars reveal a diverse range of unusual visible colors

17. 10. 2026

Étoiles | Naines blanche

Image: White dwarf stars reveal a diverse range of unusual visible colors

White dwarf stars are the remnants of stars like the Sun that have exhausted their nuclear fuel. While typical stars follow a predictable color pattern based on their temperature, white dwarfs can develop extremely dense atmospheres. These high-density environments create conditions where specific chemical elements, such as carbon, calcium, or sodium, significantly alter the light emitted by the star. This effect causes their appearance to deviate from the standard colors observed in other stars...

Read article

Evaporating planet explains gaseous disk formation around white dwarf WD J0914+1914

9. 8. 2026

Étoiles | Exoplanètes | Naines blanche

Image: Evaporating planet explains gaseous disk formation around white dwarf WD J0914+1914

A gas-rich planet orbiting white dwarf WD J0914+1914 is evaporating under intense stellar radiation. New 3D simulations confirm this process forms a gaseous disk that extends beyond the planet's orbit, matching observed light signatures from the system....

Read article

Wide-orbit stellar companions influence formation of giant planets around Red dwarf stars

1. 8. 2026

Image: Wide-orbit stellar companions influence formation of giant planets around Red dwarf stars

The giant planet TOI-5628Ab orbits a Red dwarf star every 4.34 days. Observations reveal that Red dwarfs with close-in giant planets are 6 times more likely to have a distant stellar companion, suggesting these neighbors influence planetary migration....

Read article

Research in Naines blanches

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

	WD J1330+6435 282 ly			Any colour you like: the diverse chromaticities of white dwarfs 17. 10. 2026
	WD J0914+1914 1393 ly			Planetary atmospheric escape and disk formation around WDJ0914+1914 9. 8. 2026
	TOI-5628 360 ly			Stellar Multiplicity of M Dwarfs with Short-period Giant Planets, and the Characterization of TOI-5628Ab 1. 8. 2026
	WD 1856+534 80.7 ly			Aerosols and hydrocarbons in the atmosphere of a white dwarf planet 5. 7. 2026
	RS Ophiuchi 7381 ly			Near-infrared spectroscopy of RS Ophiuchi in 2021: the calm, the storm, and the abatement 8. 3. 2026

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