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Pegasus

Pégase

Genitive: Pegasi

Northern 1121 sq° Peg

Étoile la plus brillante : Enif

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Mythologie

Le cheval ailé de la mythologie grecque, né du sang de Méduse lorsque Persée la décapita. Pégase porta le héros Bellérophon au combat contre la Chimère.

Points Forts de l'Observation

Le Grand Carré de Pégase est un astérisme automnal proéminent. Contient l'amas globulaire M15, la galaxie NGC 7331 et le Quintet de Stephan (NGC 7317-20), un groupe compact de galaxies.

Étoiles Principales

20
Enif

HIP 107315; Epsilon Peg; 8 Peg

2.39 mag K2Ib-II
Scheat

HIP 113881; Beta Peg; 53 Peg

2.42 mag 2.3 - 2.7 SR M3III
Markab

HIP 113963; Alpha Peg; 54 Peg

2.49 mag A1IV
Algenib

HIP 1067; Gamma Peg; 88 Peg

2.83 mag B2IV
Matar

HIP 112158; Eta Peg; 44 Peg

2.94 mag 90.4″ B: 6.9 G2. II-III SB
Homam

HIP 112029; Zeta Peg; 42 Peg

3.40 mag 57.0″ B: 11.6 B9IV
Sadalbari

HIP 112748; Mu Peg; 48 Peg

3.48 mag K1III
Biham

HIP 109427; Theta Peg; 26 Peg

3.53 mag 0.2″ B: 10.5 A1Va
Iota Peg

HIP 109176; Iota Peg; 24 Peg

3.76 mag 127.2″ B: 11.3 F5V
Lambda Peg

HIP 112440; Lambda Peg; 47 Peg

3.95 mag G8IIIa CN0.5
1 Peg

HIP 105502; 1 Peg

4.08 mag 36.6″ B: 9.3 K1III
Kappa Peg

HIP 107354; Kappa Peg; 10 Peg

4.13 mag 0.2″ B: 5.0 F5IV
Xi Peg

HIP 112447; Xi Peg; 46 Peg

4.19 mag F6III-IV
Pi Peg

HIP 109410; Pi Peg; 29 Peg

4.29 mag F5III
9 Peg

HIP 107348; 9 Peg

4.34 mag G5Ib
Alkarab

HIP 115623; Upsilon Peg; 68 Peg

4.40 mag F8III
55 Peg

HIP 114144; 55 Peg

4.52 mag M1IIIab
70 Peg

HIP 115919; 70 Peg

4.55 mag G7+III
2 Peg

HIP 106140; 2 Peg

4.57 mag M1+III
Salm

HIP 115250; Tau Peg; 62 Peg

4.60 mag A5Vp

Étoiles Doubles

15
HIP 108119
6.39 mag 22.4″ B: 8.0 K0III+F7V
57 Peg

HIP 114347; 57 Peg

5.12 mag 32.6″ B: 10.1 M4IIIS+A2V
Sigma Peg

HIP 112935; Sigma Peg; 49 Peg

5.16 mag 16.0″ B: 10.2 F7IV
HIP 114187
6.02 mag 8.3″ B: 7.5 A4Vn
3 Peg

HIP 106783; 3 Peg

6.18 mag 38.7″ B: 7.5 A2V
HIP 399
6.25 mag 13.1″ B: 10.7 K4IIIb
Matar

HIP 112158; Eta Peg; 44 Peg

2.94 mag 90.4″ B: 6.9 G2. II-III SB
HIP 106062
5.93 mag 40.7″ B: 10.2 M4.5III-IIIa
HIP 113311
6.51 mag 4.0″ B: 9.1 A3V s
HIP 114641
5.82 mag 32.6″ B: 10.2 G8III
1 Peg

HIP 105502; 1 Peg

4.08 mag 36.6″ B: 9.3 K1III
HIP 113621
6.60 mag 3.1″ B: 9.5 B9IIIpMn
HIP 108969
6.38 mag 20.6″ B: 11.3 G5Ia
Pi Peg

HIP 109352; Pi Peg; 27 Peg

5.58 mag 29.7″ B: 11.9 G8IIIb
32 Peg

HIP 110371; 32 Peg

4.81 mag 70.7″ B: 10.7 B9III

Étoiles Variables

4
Scheat

HIP 113881; Beta Peg; 53 Peg

2.42 mag 2.3 - 2.7 SR M3III
AG Peg

HIP 107848

6.00 mag 6.0 - 9.4 ZAND+R Peculiar
HO Peg

HIP 107956

6.89 mag 6.08 - 6.60 SRB M4III
HR Peg

HIP 113131

6.12 mag 6.12 - 6.49 SRB S4+/1+

Objets du Ciel Profond

30
Amas Globulaire (1)
Messier 15

NGC 7078

6.2 mag 12.3
Galaxie (28)
Caldwell 30

NGC 7331

9.5 mag 11 Sbc
Caldwell 43

NGC 7814

10.5 mag 6 Sab
NGC 7217
10.2 mag 3.7 Sab
Caldwell 44

NGC 7479

11.0 mag 4 SBbc
NGC 7177
11.2 mag 3.3 SABb
NGC 7497
13.0 mag 5.0 Sc
NGC 7741
11.4 mag 4.0 SBc
NGC 7448
11.7 mag 2.7 Sc
NGC 7469
11.9 mag 1.8 Sa
NGC 7742
11.5 mag 2.0 SAb
NGC 7817
12.0 mag 3.7 Sbc
NGC 7339
12.1 mag 3.0 SABb
NGC 23
12.0 mag 2.3 Sa
NGC 7137
12.4 mag 1.5 SABc
NGC 7343
13.4 mag 1.2 Sb
NGC 7624
13.4 mag 1.1 SABc
NGC 7625
12.1 mag 1.8 Sa
NGC 7673
12.7 mag 1.7 Sc
NGC 7769
12.1 mag 1.8 Sb
NGC 7241
14.0 mag 3.5 SBbc
NGC 7463
13.0 mag 3.0 SABb
NGC 7753
13.0 mag 3.4 SABb
NGC 7337
— mag 1.3 SBab
NGC 7610
15.0 mag 3.0 SABc
NGC 7743
11.2 mag 3.1 S0-a
NGC 7752
14.0 mag 0.7 S?
NGC 7806
14.0 mag 1.3 SABb
NGC 1
13.0 mag 1.9 Sb
Nébuleuse Planétaire (1)
NGC 7094
— mag 1.6