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Constellations / Bootes

Bootes

Bootis

Northern 907 sq° Boo

Étoile la plus brillante : Arcturus

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Mythologie

Le Bouvier, parfois identifié comme l'inventeur de la charrue. Il conduit la Grande Ourse (Ursa Major) autour du pôle, d'où son nom signifiant conducteur de bœufs.

Points Forts de l'Observation

Arcturus est la quatrième étoile la plus brillante du ciel et une géante orange remarquable. La constellation contient de nombreuses étoiles doubles et l'amas globulaire NGC 5466. Visible au mieux au printemps et en été.

Étoiles Principales

20
Arcturus

Arcturus

HIP 69673; Alpha Boo; 16 Boo

-0.04 mag 0.3″ B: 3.5 K0III CH-1 CN-0.5
Mufrid

Mufrid

HIP 67927; Eta Boo; 8 Boo

2.68 mag 114.3″ B: 10.0 G0IV
Izar

Izar

HIP 72105; Epsilon Boo; 36 Boo

2.70 mag 2.8″ B: 4.8 G9II-III
Seginus

Seginus

HIP 71075; Gamma Boo; 27 Boo

3.03 mag 53.0″ B: 12.7 A7IV+(n)
Delta Boo

HIP 74666; Delta Boo; 49 Boo

3.47 mag 104.7″ B: 7.9 G8IV
Nekkar

Nekkar

HIP 73555; Beta Boo; 42 Boo

3.50 mag G8IIIa Fe-0.5
Rho Boo

HIP 71053; Rho Boo; 25 Boo

3.58 mag 32.3″ B: 11.5 K3- III
Theta Boo

HIP 70497; Theta Boo; 23 Boo

4.05 mag 69.4″ B: 11.5 F7V
Upsilon Boo

HIP 67459; Upsilon Boo; 5 Boo

4.07 mag K5.5III
Xuange

Xuange

HIP 69732; Lambda Boo; 19 Boo

4.18 mag 9.8″ B: 17.0 A0p
Alkalurops

Alkalurops

HIP 75411; Mu Boo; 51 Boo

4.31 mag 109.2″ B: 7.1 F2IVa
Zeta Boo

Zeta Boo

HIP 71795; Zeta Boo; 30 Boo

4.43 mag 1.2″ B: 4.5 A2III
Sigma Boo

HIP 71284; Sigma Boo; 28 Boo

4.46 mag 212.8″ B: 10.7 F2V
Tau Boo

HIP 67275; Tau Boo; 4 Boo

4.50 mag 1.5″ B: 11.1 F6IV
Kappa Boo

Kappa Boo

HIP 69483; Kappa2 Boo; 17 Boo

4.54 mag 13.7″ B: 6.6 A8IV
Psi Boo

HIP 73745; Psi Boo; 43 Boo

4.54 mag K2III
Xi Boo

HIP 72659; Xi Boo; 37 Boo

4.55 mag 5.0″ B: 7.0 G8Ve+K4Ve
35 Boo

HIP 72125; 35 Boo

4.60 mag G8.5III
Iota Boo

HIP 69713; Iota Boo; 21 Boo

4.75 mag 38.8″ B: 7.4 A9V
44 Boo

HIP 73695; 44 Boo

4.76 mag 4.7 - 4.9 EW/KW F9-G1Vn

Étoiles Doubles

15
Pi Boo

Pi Boo

HIP 71762; Pi Boo; 29 Boo

4.94 mag 5.4″ B: 5.8 B9pMnHgSi
Xi Boo

HIP 72659; Xi Boo; 37 Boo

4.55 mag 5.0″ B: 7.0 G8Ve+K4Ve
HIP 70327
5.12 mag 6.4″ B: 6.8 A0V
Iota Boo

HIP 69713; Iota Boo; 21 Boo

4.75 mag 38.8″ B: 7.4 A9V
HIP 70786
7.12 mag 25.3″ B: 7.6 A1V
Izar

Izar

HIP 72105; Epsilon Boo; 36 Boo

2.70 mag 2.8″ B: 4.8 G9II-III
1 Boo

HIP 66727; 1 Boo

5.75 mag 4.4″ B: 9.6 A1V
Kappa Boo

Kappa Boo

HIP 69483; Kappa2 Boo; 17 Boo

4.54 mag 13.7″ B: 6.6 A8IV
Rho Boo

HIP 71053; Rho Boo; 25 Boo

3.58 mag 32.3″ B: 11.5 K3- III
39 Boo

HIP 72524; 39 Boo

5.69 mag 2.9″ B: 6.7 F6V+F5V
HIP 72508
6.51 mag 15.1″ B: 9.6 F5IV
HIP 70892
6.06 mag 26.7″ B: 10.6 A0V s
HIP 73068
6.12 mag 5.1″ B: 11.1 A2V
Alkalurops

Alkalurops

HIP 75411; Mu Boo; 51 Boo

4.31 mag 109.2″ B: 7.1 F2IVa
HIP 74561
5.99 mag 118.0″ B: 9.4 K5

Étoiles Variables

2
34 Boo

HIP 71995; 34 Boo

4.81 mag 4.62 - 4.93 SRB M3-III
44 Boo

HIP 73695; 44 Boo

4.76 mag 4.7 - 4.9 EW/KW F9-G1Vn

Objets du Ciel Profond

30
Amas Globulaire (1)
NGC 5466
9.1 mag 11.0
Galaxie (29)
NGC 5248
10.2 mag 6.5 SABbc
NGC 5676
10.9 mag 3.9 Sc
NGC 5529
13.0 mag 5.9 SABc
NGC 5533
11.8 mag 3.2 SABa
NGC 5899
11.8 mag 3.0 Sc
NGC 5614
11.7 mag 2.7 Sab
NGC 5669
12.0 mag 4.1 Sc
NGC 5859
12.4 mag 3.0 SBbc
NGC 5545
13.0 mag 1.3 Sbc
NGC 5600
12.7 mag 1.4 SABc
NGC 5653
12.2 mag 1.8 Sb
NGC 5672
13.6 mag 1.0 Sb
NGC 5857
13.1 mag 1.4 SBab
NGC 5929
13.0 mag 1.1 Sa
NGC 5523
13.0 mag 4.5 SABc
NGC 5714
14.0 mag 3.0 SBc
NGC 5783
13.0 mag 3.0 Sc
IC 1029
— mag 3.0 SABb
NGC 5660
11.8 mag 2.8 SABc
NGC 5492
14.0 mag 1.8 Sb
NGC 5633
12.3 mag 2.3 Sb
NGC 5641
13.0 mag 2.7 Sab
NGC 5656
13.0 mag 2.1 Sab
NGC 5665
13.0 mag 2.1 Sc
NGC 5707
13.0 mag 2.8 Sab
NGC 5827
14.0 mag 1.4 Sb
NGC 5875
13.0 mag 2.6 Sb
NGC 5888
14.0 mag 1.5 Sbc
NGC 5893
14.0 mag 1.4 SBb