Catalogue des étoiles à proximité

Etoile

Catalogue étoile

8986 systèmes stellaires

Base de données des étoiles proches de la Voie lactée. Cartographiés sont toutes les étoiles à moins d

Les systèmes stellaires les plus proches

Last added

1568 systèmes planétaires

Planetary bodies discovered orbiting nearby stars. In this database are mapped all exoplanets within 100 light years and much more.

Systèmes planétaires les plus proches

Exoplanètes nouvellement découvertes

Substellar types - brown dwarfs

Sous-naine brune
Classe spectrale: Y
typical mass: 0.015
typical radius: 0.04
Température: 350 K
count: 21 in 40 ly

Nain brun
Classe spectrale: T
typical mass: 0.03
typical radius: 0.06
Température: 700 K
count: 73 in 40 ly

Nain brun
Classe spectrale: L
typical mass: 0.04
typical radius: 0.08
Température: 1500 K
count: 56 in 40 ly

Stellar types - main sequence

Nain rouge
Classe spectrale: M
typical mass: 0.25
typical radius: 0.3
Température: 3100 K
count: 500 in 40 ly

Étoile orange
Classe spectrale: K
typical mass: 0.7
typical radius: 0.7
Température: 4500 K
count: 67 in 40 ly

Étoile jaune
Classe spectrale: G
typical mass: 0.9
typical radius: 1
Température: 5600 K
count: 24 in 40 ly

Étoile jaune-blanche
Classe spectrale: F
typical mass: 1.3
typical radius: 1.5
Température: 6500 K
count: 15 in 40 ly

Étoile blanche-bleue
Classe spectrale: A
typical mass: 1.9
typical radius: 1.8
Température: 8300 K
count: 5 in 40 ly

Étoile bleu-blanc
Classe spectrale: B
typical mass: 5
typical radius: 4
Température: 20000 K
count: 0 in 40 ly

Étoile bleue
Classe spectrale: O
typical mass: 45
typical radius: 10
Température: 40000 K
count: 0 in 40 ly

Stellar types - giants

Sous-géante
Classe spectrale: K|G|F|A|B
typical mass: 3
typical radius: 3
Température: 4000 K
count: 8 in 40 ly

Géant bleu
Classe spectrale: A|B|O
typical mass: 8
typical radius: 4
Température: 15000 K
count: 2 in 40 ly

Géant jaune
Classe spectrale: G|F|A
typical mass: 3
typical radius: 7
Température: 6000 K
count: 0 in 40 ly

Géant lumineux
Classe spectrale: M|G|F|A
typical mass: 10
typical radius: 20
Température: 15000 K
count: 0 in 40 ly

Géant rouge
Classe spectrale: K|M|S
typical mass: 1.2
typical radius: 50
Température: 5000 K
count: 2 in 40 ly

	Alpha Centauri		11. 9. 2024 (accepté) Detectability Simulations of a NIR Surface Biosignature on Proxima Centauri b with Future Space Observatories
	HIP 67522		11. 9. 2024 (accepté) XUV irradiation of young planetary atmospheres. Results from a joint XMM-Newton and HST observation of HIP67522
	K2-2		11. 9. 2024 (accepté) The K2 and TESS Synergy III: search and rescue of the lost ephemeris for K2's first planet
	Kepler-51		10. 9. 2024 (accepté) Slow Rotation for the Super-Puff Planet Kepler-51d
	K2-18		10. 9. 2024 (accepté) Volatile-rich Sub-Neptunes as Hydrothermal Worlds: The Case of K2-18 b