Kepler-438
Kepler-438
| Ascension droite | 18h 46m 34,997 0s[1] |
|---|---|
| Déclinaison | +41° 57′ 03,923″[1] |
| Constellation | Lyre |
Localisation dans la constellation : Lyre | |
| Type spectral | M1V[2] |
|---|---|
| Variabilité | Éruptive[2] |
| Mouvement propre |
μα = −16,762 mas/a[1] μδ = −4,921 mas/a[1] |
|---|---|
| Parallaxe | 5,103 5 ± 0,123 2 mas[1] |
| Distance | 195,944 ± 4,730 pc (∼639 al)[1] |
Désignations
Kepler-438 est une naine rouge dans la constellation de la Lyre[3], à environ ∼ 640 a.l. (∼ 196 pc) de la Terre[1]. Son système planétaire comprend Kepler-438 b, une planète similaire à la Terre qui se situe dans la zone habitable de son étoile Kepler-438.
Références
- (en) A. G. A. Brown et al. (Gaia collaboration), « Gaia Data Release 2 : Summary of the contents and survey properties », Astronomy & Astrophysics, vol. 616, , article no A1 (DOI 10.1051/0004-6361/201833051, Bibcode 2018A&A...616A...1G, arXiv 1804.09365). Notice Gaia DR2 pour cette source sur VizieR.
- (en) Kepler-438 -- Eruptive variable Star sur la base de données Simbad du Centre de données astronomiques de Strasbourg.
- ↑ NASA's Kepler Marks 1,000th Exoplanet Discovery, Uncovers More Small Worlds in Habitable Zones
Liens externes
- (en) Kepler-438 sur la base de données Simbad du Centre de données astronomiques de Strasbourg.
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