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Cassiopeia

カシオペヤ座

Genitive: Cassiopeiae

Northern 598 sq° Cas

最輝星： Schedar

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神話

エチオピア神話の虚栄心の強い王妃。ケフェウスの妻でアンドロメダの母。自慢の罰として、時に逆さまに吊り下げられた姿で玉座に座って天に置かれた。

観測の見どころ

特徴的なW字型で見つけやすい。豊かな散開星団M52、M103、NGC 457（ふくろう星団）、NGC 663を含む。天の川の星座で双眼鏡での流し見に最適。

主な恒星

20
Shedir

HIP 3179; Alpha Cas; 18 Cas

2.23 mag K0- IIIa
Chaph

HIP 746; Beta Cas; 11 Cas

2.27 mag F2III
Gamma Cas

HIP 4427; Gamma Cas; 27 Cas

2.47 mag 2.1″ B: 10.9 B0.5IVe
Ruchbah

HIP 6686; Delta Cas; 37 Cas

2.68 mag 110.1″ B: 11.9 A5IV
Called Segin in Becvar

HIP 8886; Epsilon Cas; 45 Cas

3.38 mag B3V
Achird

HIP 3821; Eta Cas; 24 Cas

3.44 mag 13.5″ B: 7.4 F9V
Fulu

HIP 2920; Zeta Cas; 17 Cas

3.66 mag B2IV
50 Cas

HIP 9598; 50 Cas

3.98 mag A2V
Kappa Cas

HIP 2599; Kappa Cas; 15 Cas

4.16 mag B1Ia
Theta Cas

HIP 5542; Theta Cas; 33 Cas

4.33 mag 126.4″ B: 11.3 A7V
Iota Cas

HIP 11569; Iota Cas

4.52 mag 3.0″ B: 6.9 A5pSr
22 Cas

HIP 3504; 22 Cas

4.54 mag 34.4″ B: 11.2 B5IIIe
48 Cas

HIP 9480; 48 Cas

4.54 mag 0.6″ B: 6.7 A3IV
Rho Cas

HIP 117863; Rho Cas; 7 Cas

4.54 mag G20e
Castula

HIP 4422; Upsilon2 Cas; 28 Cas

4.63 mag G8IIIbFe-0.5
Chi Cas

HIP 7294; Chi Cas; 39 Cas

4.71 mag G9IIIb
Lambda Cas

HIP 2505; Lambda Cas; 14 Cas

4.73 mag 0.2″ B: 5.6 B8Vn
Psi Cas

HIP 6692; Psi Cas; 36 Cas

4.74 mag K0III
Xi Cas

HIP 3300; Xi Cas; 19 Cas

4.80 mag B2V
R Cas

HIP 118188

4.80 mag 4.7 - 13.5 M M7IIIe

二重星

15
HIP 207
5.86 mag 15.2″ B: 7.2 G8III
Achird

HIP 3821; Eta Cas; 24 Cas

3.44 mag 13.5″ B: 7.4 F9V
WZ Cas

HIP 99

6.90 mag 57.8″ B: 8.3 C
Iota Cas

HIP 11569; Iota Cas

4.52 mag 3.0″ B: 6.9 A5pSr
Sigma Cas

HIP 118243; Sigma Cas; 8 Cas

4.88 mag 3.1″ B: 7.2 B1V
V638 Cas

HIP 113797

6.50 mag 18.6″ B: 10.2 B9IIIHe wk
4 Cas

HIP 115590; 4 Cas

4.98 mag 96.4″ B: 9.9 M1III
HIP 4212
6.27 mag 8.3″ B: 9.5 A5m
HIP 3083
5.43 mag 12.5″ B: 10.5 K7III
21 Cas

HIP 3572; 21 Cas

5.66 mag 5.64 - 6.06 EA/DM A2IV
35 Cas

HIP 6312; 35 Cas

6.34 mag 57.4″ B: 8.6 A2Vnn
22 Cas

HIP 3504; 22 Cas

4.54 mag 34.4″ B: 11.2 B5IIIe
Gamma Cas

HIP 4427; Gamma Cas; 27 Cas

2.47 mag 2.1″ B: 10.9 B0.5IVe
HIP 4151
4.82 mag 146.0″ B: 9.8 F8V
HIP 7963
6.37 mag 19.5″ B: 9.8 B8III

変光星

6
R Cas

HIP 118188

4.80 mag 4.7 - 13.5 M M7IIIe
RZ Cas

HIP 13133

6.18 mag 6.18 - 7.72 EA+DSCT A3V
V509 Cas

HIP 113561

5.00 mag 4.75 - 5.38 YHG G40
21 Cas

HIP 3572; 21 Cas

5.66 mag 5.64 - 6.06 EA/DM A2IV
SU Cas

HIP 13367

5.80 mag 5.70 - 6.18 DCEPS F5:Ib-II
V373 Cas

HIP 117957

6.00 mag 5.96 - 6.06 HB B0.5II+B0.5II

深宇宙天体

30
散開星団 (21)
Caldwell 10

NGC 663

7.1 mag 16
Owl Cluster

NGC 457

C13

6.4 mag 13
Messier 52

NGC 7654

7.3 mag 13.
NGC 129
6.5 mag 21.
NGC 1027
6.7 mag 20.
NGC 7789
6.7 mag 16.
NGC 225
7.0 mag 12.
NGC 7790
8.5 mag 17.
NGC 654
6.5 mag 5.
Caldwell 8

NGC 559

9.5 mag 4
Messier 103

NGC 581

7.4 mag 6.
NGC 659
7.9 mag 5.
NGC 436
8.8 mag 6.
NGC 103
9.8 mag 5.
NGC 133
9.0 mag 7.
NGC 146
9.1 mag 7.
NGC 381
9.0 mag 6.
NGC 7788
9.0 mag 9.
NGC 189
8.8 mag 4.
NGC 637
8.2 mag 4.
NGC 609
11.0 mag 3.
銀河 (5)
Caldwell 17

NGC 147

9.5 mag 13 E
Caldwell 18

NGC 185

9.2 mag 12 E
NGC 278
10.9 mag 2.2 SABb
IC 10
10.3 mag 5.1
NGC 1343
12.3 mag 2.8 SABb
惑星状星雲 (1)
IC 289
12.0 mag 0.6
輝線星雲 (3)
Bubble Nebula

NGC 7635

C11

11.0 mag 15
NGC 896
— mag 27.
IC 1795
— mag 20.