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Constellations / Centaurus

Centaurus

Centauri

Southern 1060 sq° Cen

Étoile la plus brillante : Alpha Centauri

Mythologie

Représente Chiron, le centaure sage et bienveillant qui forma des héros comme Achille et Jason. Contrairement aux autres centaures, Chiron était renommé pour ses connaissances en médecine et en arts.

Points Forts de l'Observation

Contient Alpha Centauri, le système stellaire le plus proche du Soleil, et le magnifique amas globulaire Omega Centauri (NGC 5139), le plus grand amas globulaire de la Voie lactée.

Étoiles Principales

20

Rigil Kentaurus

HIP 71681; Alpha1 Cen

-0.01 mag 20.9″ B: 1.3 G2V

Agena

HIP 68702; Beta Cen

0.61 mag 0.2″ B: 4.0 B1II-III

Rigil Kentaurus

HIP 71681; Alpha2 Cen

1.33 mag 8.1″ B: 1.3 K1V

Menkent

HIP 68933; Theta Cen; 5 Cen

2.06 mag 3.0″ B: 14.0 K0III

HIP 61932; Gamma Cen

2.17 mag 0.6″ B: 2.9 A1IV+

HIP 66657; Epsilon Cen

2.30 mag 36.8″ B: 13.0 B1 III

HIP 71352; Eta Cen

2.31 mag 2.29 - 2.47 GCAS+LERI B1.5 VN

HIP 68002; Zeta Cen

2.55 mag B2.5 IV

HIP 59196; Delta Cen

2.60 mag 269.1″ B: 4.4 B2Vne

HIP 65109; Iota Cen

2.75 mag A2 V

HIP 67472; Mu Cen

3.04 mag 2.85 - 3.55 GCAS B2Vnep

HIP 56561; Lambda Cen

3.13 mag 14.8″ B: 11.5 A1III

HIP 73334; Kappa Cen

3.13 mag 4.0″ B: 11.5 B2 IV

HIP 67464; Nu Cen

3.41 mag 5.6″ B: 16.5 B2 IV

HIP 68245; Phi Cen

3.83 mag B2 V

HIP 61622; Tau Cen

3.86 mag A1IVnn

Upsilon Cen

HIP 68282; Upsilon1 Cen

3.87 mag B2 IV/V
3.88 mag 0.1″ B: 5.0 G8 II/III

HIP 55425; Pi Cen

3.89 mag 0.4″ B: 5.7 B5V

HIP 60823; Sigma Cen

3.91 mag 0.1″ B: 6.6 B2 V

Étoiles Doubles

15

Rigil Kentaurus

HIP 71681; Alpha2 Cen

1.33 mag 8.1″ B: 1.3 K1V

Rigil Kentaurus

HIP 71681; Alpha1 Cen

-0.01 mag 20.9″ B: 1.3 G2V
4.92 mag 9.1″ B: 7.6 G8III+F5V

HIP 67669; 3 Cen

4.56 mag 7.8″ B: 6.0 B5IIIp

HIP 67669; 3 Cen

6.06 mag 7.9″ B: 6.0 B8V
5.08 mag 13.2″ B: 7.4 B9V
5.25 mag 18.5″ B: 7.5 B9V

HIP 67786; 4 Cen

4.73 mag 14.8″ B: 8.5 B4IV
5.31 mag 2.7″ B: 7.0 K3III
5.01 mag 5.6″ B: 6.5 B8Vn
6.25 mag 10.0″ B: 8.4 K2-3III
6.53 mag 11.9″ B: 10.2 G3IV-V
6.18 mag 10.0″ B: 9.6 B2.5Vn
5.31 mag 22.0″ B: 10.9 F2III
4.91 mag 22.7″ B: 15.4 G3V

Étoiles Variables

9

HIP 66825

6.05 mag K0e-M4IIe

HIP 69491

6.11 mag B5Ve

HIP 66666

6.00 mag M5III

HIP 67472; Mu Cen

3.04 mag 2.85 - 3.55 GCAS B2Vnep

HIP 69754

6.39 mag M5IIe

HIP 59229

5.75 mag A2mA5-F2

HIP 71352; Eta Cen

2.31 mag 2.29 - 2.47 GCAS+LERI B1.5 VN

HIP 71116

6.93 mag F5Ia

HIP 56243

5.13 mag 5.14 - 5.36 SRD G30-Ia

Objets du Ciel Profond

30
Amas Ouvert (12)

NGC 3766

5.3 mag 12
5.6 mag 25.
5.5 mag 12.
6.0 mag 14.
6.3 mag 10.
5.9 mag 5.
7.6 mag 12.
7.6 mag 8.
8.3 mag 7.
9.0 mag 11.
9.0 mag 6.
7.7 mag 3.
Amas Globulaire (2)

NGC 5139

C80

3.9 mag 36

NGC 5286

7.6 mag 9
Galaxie (13)

NGC 4945

8.6 mag 20 SBc

NGC 5128

C77

7.0 mag 18 S0
10.6 mag 4.0 SBm
9.7 mag 9.3 E-S0
12.0 mag 5.4 Sc
— mag 3.6 Sbc
12.0 mag 4.5 Sbc
12.0 mag 3.8 SABc
12.0 mag 3.4 Sbc
12.0 mag 3.1 Sc
12.0 mag 2.3 Sa
— mag 3.1 Sd
— mag 2.6 SABb
Nébuleuse Planétaire (2)

Blue planetary

NGC 3918

8.0 mag 0.2
— mag 1.1
Nébuleuse en Émission (1)
4.5 mag 75