|
Caractéristiques
des principales étoiles
Les
étoiles les plus brillantes et les plus proches de la Terre
Les 20 étoiles les plus brillantes
|
|
Nom
|
Mv
|
Distance
(a.l.)
|
Classe spectrale
|
Vitesse
radiale
(km/s)
|
Mouvement
propre
("/an)
|
Mv
|
Mabs
|
Luminosité
(Soleil = 1)
|
|
Sirius
|
a
CMa
|
-1.46
|
8.61
|
A1 V
|
-9
|
1.339
|
-1.46
|
+1.45
|
26.1
|
|
Canopus
|
a
Car
|
-0.62
|
313
|
F0 I
|
+21
|
0.031
|
-0.62
|
-5.53
|
14000
|
|
Arcturus
|
a
Boo
|
-0.05
|
36.7
|
K2 III
|
-5
|
2.279
|
-0.05
|
-0.31
|
190
|
|
α Centauri
|
a
Cen
|
-0.01
|
4.4
|
G2 V
|
-25
|
3.71
|
-0.01
|
+4.34
|
1.77
|
|
Véga
|
a
Lyr
|
+0.03
|
25.3
|
A0 V
|
-14
|
0.035
|
+0.03
|
+0.58
|
61.9
|
|
Capella
|
a
Aur
|
+0.08
|
42.2
|
G8 III
|
+30
|
0.434
|
+0.08
|
-0.48
|
180
|
|
Rigel
|
b
Ori
|
+0.18
|
773
|
B8 Ia
|
+21
|
0.002
|
+0.18
|
-6.69
|
700000
|
|
Procyon
|
a
CMi
|
+0.4
|
11.4
|
F5 IV-V
|
-4
|
1.259
|
+0.4
|
+2.68
|
7.73
|
|
Achernar
|
a
Eri
|
+0.45
|
144
|
B3 IV
|
+19
|
0.097
|
+0.45
|
-2.77
|
5250
|
|
Bételgeuse
|
a
Ori
|
+0.45
|
548
|
M2 Iab
|
+21
|
0.029
|
+0.45
|
-5.14
|
50000
|
|
Hadar
|
b Cen
|
+0.61
|
525
|
B1 II
|
-12
|
0.042
|
+0.61
|
-5.42
|
86000
|
|
Altair
|
a
Aql
|
+0.76
|
16.8
|
A7 IV-V
|
-26
|
0.661
|
+0.76
|
+2.2
|
11.8
|
|
Aldébaran
|
a
Tau
|
+0.87
|
65.1
|
K5 III
|
+54
|
0.199
|
+0.87
|
-0.63
|
370
|
|
Spica
|
a
Vir
|
+0.98
|
262
|
B1 V
|
+1
|
0.053
|
+0.98
|
-3.55
|
25000
|
|
Antarès
|
a
Sco
|
+1.06
|
604
|
M1 Ib
|
-3
|
0.025
|
+1.06
|
-5.28
|
37000
|
|
Pollux
|
b
Gem
|
+1.16
|
33.7
|
K0 III
|
+3
|
0.627
|
+1.16
|
+1.09
|
46.6
|
|
Fomalhaut
|
a
PsA
|
+1.17
|
25.1
|
A3 V
|
+7
|
0.368
|
+1.17
|
+1.74
|
18.9
|
|
Déneb
|
a
Cyg
|
+1.25
|
3230
|
A2 Ia
|
-5
|
0.002
|
+1.25
|
-8.73
|
320000
|
|
Becrux
|
b
Crux
|
+1.28
|
353
|
B0.5 III
|
+15.6
|
0.05
|
+1.28
|
-3.92
|
34000
|
|
Régulus
|
a
Leo
|
+1.36
|
77.5
|
B7 V
|
+4
|
0.249
|
+1.36
|
-0.52
|
331
|
|
Les étoiles les plus proches de la Terre (< 15 a.l.)
|
|
Parallax
(")
|
Distance
(a.l.)
|
Classe
spectrale
|
Vitesse
radiale
(km/s)
|
Mouvement
propre
("/an)
|
Mv
|
Mabs
|
Luminosité
(Soleil = 1)
|
|
Soleil
|
|
8.27 m.l.
|
G2 V
|
|
|
-26.7
|
+4.83
|
1.00
|
|
Proxima Centauri
|
0.772
|
4.22
|
M5.5 V
|
-22
|
3.853
|
+11.01
|
15.45
|
0.0082
|
|
α Centauri A
|
0.742
|
4.40
|
G2 V
|
-25
|
3.710
|
-0.01
|
+4.34
|
1.77
|
|
α Centauri B
|
0.742
|
4.40
|
K0 V
|
-21
|
3.724
|
+1.35
|
+5.70
|
0.55
|
|
Etoile de Barnbard
|
0.549
|
5.94
|
M4 V
|
-111
|
10.358
|
+9.54
|
+13.24
|
0.0036
|
|
Luhman 16
|
0.501
|
6.52
|
L7.5
|
23.1
|
2.79
|
+8.87
|
+12.37
|
0.0002
|
|
Wolf 359
|
0.418
|
7.80
|
M6 V
|
+13
|
4.689
|
+13.45
|
+16.6
|
0.0035
|
|
Lalande 21185
|
0.392
|
8.32
|
M2 V
|
-84
|
4.802
|
+7.49
|
+10.46
|
0.023
|
|
Luyten 726-8 A
|
0.381
|
8.56
|
M5.5 V
|
+29
|
3.366
|
+12.41
|
+15.3
|
0.0094
|
|
Luyten 726-8 B
|
0.381
|
8.56
|
M6 V
|
+32
|
3.366
|
+13.2
|
+16.1
|
0.0056
|
|
Sirius A
|
0.379
|
8.61
|
A1 V
|
-9
|
1.339
|
-1.44
|
+1.45
|
26.1
|
|
Sirius B
|
0.379
|
8.61
|
dA2
|
-9
|
1.339
|
+8.44
|
+11.3
|
0.0024
|
|
Ross 154
|
0.336
|
9.71
|
M3.5 V
|
-12
|
0.666
|
+10.37
|
+13.00
|
0.0041
|
|
Ross 248
|
0.316
|
10.32
|
M5.5 V
|
-78
|
1.626
|
+12.29
|
+14.8
|
0.0015
|
|
ε Eridani
|
0.311
|
10.49
|
K2 V
|
+17
|
0.977
|
+3.72
|
+6.18
|
0.40
|
|
Lacaille 9352
|
0.304
|
10.72
|
M1.5 V
|
+10
|
6.896
|
+7.35
|
+9.76
|
0.051
|
|
Ross 128
|
0.300
|
10.87
|
M4 V
|
-31
|
1.361
|
+11.12
|
+13.50
|
0.0029
|
|
Luyten 789-6
|
0.294
|
11.09
|
M5 V
|
-60
|
3.259
|
+12.33
|
+14.7
|
0.0013
|
|
61 Cygni A
|
0.287
|
11.36
|
K5 V
|
-65
|
5.281
|
+5.20
|
+7.49
|
0.16
|
|
61 Cygni B
|
0.285
|
11.44
|
K7 V
|
-64
|
5.172
|
+6.05
|
+8.33
|
0.095
|
|
Procyon A
|
0.286
|
11.40
|
F5 IV-V
|
-4
|
1.259
|
+0.40
|
+2.68
|
7.73
|
|
Procyon B
|
0.286
|
11.40
|
dZ (A4)
|
-4
|
1.259
|
+10.7
|
+13.0
|
0.00055
|
|
BD+59o1915 A
|
0.281
|
11.61
|
M3 V
|
-1
|
2.238
|
+8.94
|
+11.18
|
0.020
|
|
BD+59o1915 B
|
0.281
|
11.61
|
M3.5 V
|
+1
|
2.313
|
+9.70
|
+11.97
|
0.010
|
|
Van Maanen
|
0.232
|
14.13
|
dZ7 (F7)
|
+41.7
|
2.98
|
+12.38
|
+14.23
|
0.000182
|
|
Groombridge 34 A
|
0.280
|
11.65
|
M1.5 V
|
+12
|
2.918
|
+8.09
|
+10.33
|
0.030
|
|
Groombridge 34 B
|
0.280
|
11.65
|
M3.5 V
|
+11
|
2.918
|
+11.07
|
+13.3
|
0.0031
|
|
ε Indi
|
0.276
|
11.82
|
K5 V
|
-40
|
4.704
|
+4.69
|
+6.89
|
0.27
|
|
GJ 1111
|
0.276
|
11.82
|
M6.5 V
|
-5
|
1.288
|
+14.79
|
+17.0
|
0.00027
|
|
τ Ceti
|
0.274
|
11.90
|
G8 V
|
-17
|
1.922
|
+3.49
|
+5.68
|
0.62
|
|
Pour
plus d'informations
Sur
ce site
Catalogue
des principales étoiles (Bright Star Catalog) jusqu'à la Mv 6,
fichier CSV de 729 KB
Liste
d'étoiles variables facilement accessibles
Tableau
récapitulatif des étoiles d'Orion
Liste
des étoiles variables et des étoiles multiples d'Orion
Sur
Internet
E:D
Galactic Wiki
Catalogue stellaire VizieR V/50
Catalogue
stellaire Hipparcos
Livres
The
Cambridge Encyclopedia of Stars, J.Kaler, CUP, 2006
The
Hundred Greatest Stars, J.Kaler, Springer, 2002
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à l'Astrophysique
|
