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Daftar bintang terbesar

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Revisi sejak 27 Desember 2023 17.38 oleh 21.Andromedae (bicara | kontrib)
Artikel ini bukan mengenai Daftar bintang paling masif.

Di bawah ini adalah daftar bintang terbesar yang diketahui saat ini, diurutkan berdasarkan radius. Satuan pengukuran yang digunakan adalah jari-jari Matahari (kira-kira 695.700 km; 432.288 mi).

Ukuran relatif planet di Tata Surya dan beberapa bintang terkenal:

Ketidakpastian besar tetap ada pada keanggotaan dan urutan daftar, terutama ketika mendapatkan berbagai parameter yang digunakan dalam penghitungan, seperti bintang luminositas dan suhu efektif. Seringkali jari-jari bintang hanya dapat dinyatakan sebagai rata-rata atau dalam rentang nilai yang besar. Nilai untuk radius bintang sangat bervariasi di berbagai sumber dan untuk metode observasi yang berbeda.

Diameter sudut banyak bintang dapat diukur secara langsung menggunakan interferometri bintang. Metode lain dapat menggunakan okultasi bulan atau dari biner gerhana, yang dapat digunakan untuk menguji metode tidak langsung untuk menemukan jari-jari bintang. Hanya beberapa bintang supergiant berguna yang dapat disembunyikan oleh Bulan, termasuk Antares A (Alpha Scorpii A). Contoh biner gerhana adalah Epsilon Aurigae (Almaaz), VV Cephei, dan V766 Centauri (HR 5171). Pengukuran diameter sudut bisa jadi tidak konsisten karena batas atmosfer yang sangat tipis (opasitas) berbeda-beda bergantung pada panjang gelombang cahaya di mana bintang diamati.

Daftar

Daftar bintang terbesar
Nama Ukuran dalam satuan Radii Matahari

(Matahari = 1)

Keterangan
Stephenson 2-18 2.150[1] Bintang terbesar di jagat raya (sebelumnya UY Scuti)
WOH G64 1.540[2]
KY Cygni 1.420[3]
VY Canis Majoris 1.420[4][5]
Mu Cephei 1.259[6] – 1.420[3]
S Persei 1.212[7] – 1.364[8]
V354 Cephei 1.139[9]
V766 Centauri Aa 1.060 — 1.160[10]
MY Cephei 1.134[11]
VV Cephei A 1.050[12]–1.900[13]
KW Sagittarii 1.009 ± 142[14]
Betelgeuse (Alpha Orionis) 950–1.000[15] atau 880–988[16] bintang paling terang ke-10 di langit malam.
RW Cephei 900–1760[17]
UY Scuti 755
Antares (Alpha Scorpii) 680[18] bintang paling terang ke-15 di langit malam.
S Pegasi 580[19]
T Cephei [en] 540[20]
S Orionis 530[21]
W Hydrae [en] 520[22]
R Cassiopeiae [en] 500[23]
V382 Carinae 485[24] Hypergiant paling terang di langit.
Chi Cygni [en] 470[25]
V838 Monocerotis 467[26]
Rho Cassiopeiae 450
Mira A (Omicron Ceti) 400[27]
V509 Cassiopeiae 400[28]–900[29]
S Doradus 100–380[30]
HR Carinae 350
R Doradus 298 ± 21[31]
Alpha Herculis (Ras Algethi) 284 ± 60[32]
Eta Carinae 240[33] (60 – 881)[34]
La Superba [en] 225
Delta Canis Majoris (Wezen) 215±66[35] bintang paling terang ke-36 di langit malam.
Epsilon Pegasi (Enif) 211[36]
Deneb (Alpha Cygni) 203 ± 17[37] bintang paling terang ke-19 di langit malam.
Zeta Aurigae 200[38]
Epsilon Aurigae A 143 – 358[39]
Epsilon Carinae 153 Bintang paling terang ke-39 di langit malam.
LBV 1806-20 [en] 150
Gamma Crucis (Gacrux) 113[40]
Gamma Andromedae 80
Rigel (Beta Orionis) 78.9[41] Bintang paling terang ke-7 di langit malam.
Alpha Leporis (Arneb) 75
Canopus (Alpha Carinae) 73.3[42] bintang paling terang ke-2 di langit malam.
Alpha Persei (Mirfak) 68[43] bintang paling terang ke-35 di langit malam.
Albireo (Beta Cygni Aa) 62[44]
Zeta Geminorum (Mekbuda) 65.24[45]
Alpha Hydrae (Alphard) 50.5[46]
Aldebaran (Alpha Tauri) 43[47] Bintang paling terang ke-14 di langit malam.
Beta Ursae Minoris [en] (Kochab) 41
Polaris 37.5[48]
Arcturus 25.4[49] Bintang paling terang ke-4 di langit malam.
Zeta Orionis (Alnitak) 20 bintang paling terang ke-32 di langit malam.
Mintaka (Delta Orionis) 16.5[50]
Zeta Puppis (Naos) 14 – 26[51]
Pollux 9.06[52] Bintang paling terang ke-17 di langit malam.
Sirius A 1.711[53] Bintang paling terang di langit malam.

Lihat pula

Referensi

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