List of nearest supergiants
Appearance
This is a list of the nearest supergiant stars to Earth, located at a distance of up to 1,100 light-years (340 parsecs) from Earth. Some of the brightest stars in the night sky, such as Rigel and Antares, are in the list.
While supergiants are typically defined as stars with luminosity classes Ia, Iab or Ib, other definitions exist, such as those based on stellar evolution.[1] Therefore, stars with other luminosity classes can sometimes be considered supergiants.
List
[edit]Name | Distance (ly) | Spectral type | Stellar radius (R☉) | Stellar mass (M☉) | Apparent magnitude (V) | Notes |
---|---|---|---|---|---|---|
Canopus | 309[2] | A9II[3] | 73.3 ± 5.2[2] | 9.81 ± 1.83[2] | −0.74[4] | While it is frequently described as a yellow supergiant, especially in evolutionary terms,[2] it is classified as a bright giant based on spectrum.[3] |
Sargas (θ Scorpii A) |
329±9[5] | F0Ib-F1III[6] or F0 II[7] | 35.5 × 26.3[5] | 3.1+0.37 −0.32[5] |
1.862[8] | Either a lower luminosity supergiant or a (bright) giant, formed after stellar merger of two smaller stars |
Rasalgethi (α Herculis Aa) |
360[9] | M5 Ib-II[10] | 284 ± 60[10] | 2.5[10] | 3.35[8] | Possibly a bright giant |
Rastaban (β Draconis) |
380±4[9] | G2Ib-IIa[11] | 41.4 ± 2.4 or 46.5 ± 2.7[12][a] | 6±0.2[13] | 2.79[13] | |
Betelgeuse | 408[14]–548+90 −49[15] |
M1-M2Ia-ab[16] | 640[17] – 764+116 −62[15] |
16.5 – 19[15] | 0.5[18] (0.0 – 1.6)[19] | The nearest non-disputed (uncontroversial) red supergiant, and the 10th brightest star in the night sky. |
α Trianguli Australis | 420±32[20] | K2Ib-IIa[20] | 143[20][b] | 7[20] | 1.91[21] | Either a supergiant or bright giant |
ζ Capricorni | 441±16[22] | G4Ib: Ba2[16] | 31±2[23] | 4.5+0.3 −0.2[24] |
3.77[25] | |
Polaris | 446±1[26] | F7Ib-F8Ib[27][28] | 46.27±0.42[26] | 5.13±0.28[26] | 1.98[29] (1.86 – 2.13)[27] | |
Mirfak (α Persei) | 510±10[9] | F5Ib[13] | 53.1+1.4 −1.45[30] |
7.3 ± 0.3[13] | 1.806[13] | 35th brightest star in the night sky. |
Sadalsuud (β Aquarii) |
541+6 −5[22] |
G0Ib[13] | 47.88+1.68 −1.81[31] |
6.4±0.3[13] | 2.87[32] | |
Suhail (λ Velorum) | 545±10[9] | K4Ib[16] | 211±6[33] | 7.0+1.5 −1.1[33] |
2.21[32] (2.14 – 2.30)[34] | |
Antares | 553.5±94[9] | M1.5Iab-Ib[16] | 680[35] | 11[35] – 16[14] | 0.6 – 1.6[36] | 15th brightest star in the night sky. |
κ Pavonis | 590±30[37] | F5-G5 I-II[38] | 19 – 25[39] | 4.35[40] (3.91 - 4.78)[41] | ||
Saiph | 650±30[9] | B0.5Ia[42] | 14[43] | 15.5±1.25[44] | 2.09[45] | The closest blue supergiant. |
Enif (ε Pegasi) |
690±20[9] | K2Ib-II[16] | 178[46] | 11– 12[14] | 2.399[9] (2.37 – 2.45)[47] | |
Sadalmelik (α Aquarii) |
691+40 −56[22] |
G2Ib[13] | 70[48][c] | 6.5±0.3[13] | 2.942[50] | |
β Arae | 713+39 −34[22] |
K3Ib-II[51] | 141.4±6.6 [52] | 8.21[53] | 2.84[54] | |
ζ Persei | 750±30[9] to 1,200±300[55] | B1Ib[56] | 16.7[44][d] to 26.1[57] | 14.5±1.9[44] | 2.86[58] | |
Aspidiske (ι Carinae) |
770±20[9] | A7Ib[59] | 46.4–50.1[60] | 6.9[60] | 2.21[54] | |
Ahadi (π Puppis) |
810±70[9] | K3Ib[61] | 235[46] | 11.7[62] | 2.733[63] | |
Rigel | 848±65[64] | B8Ia[65] | 74.1+6.1 −7.3[31] |
21±3[66] | 0.13[4] (0.05 – 0.18)[67] | 7th brightest star in the night sky. |
χ Aquilae | 853±114[9] | G8Ib[68] | 23.3[46] | 5.8[68] | ||
ζ Aurigae A | 860±10[69] | K5Ib[33] | 148±3[70] | 5.8±0.2[70] | 3.751[71] (3.70 – 3.97)[41] | Sometimes considered a red supergiant;[1] possible bright giant[72] |
Mebsuta (ε Geminorum) | 861+52 −39[22] |
G8Ib[73] | 130.2+5.5 −6[31] |
5.29±0.4[31] | 3.06[74] | |
β Camelopardalis | 870±50[9] | G1Ib–IIa[13] | 58±13[75] | 6.5±0.4[13] | 4.02[4] | |
η Aquilae A | 885.4+41.7 −45,[22] 1010±33[76] |
F6Ib–G4Ib[77] | 59±2[76] | 5.7[78] | 3.48 – 4.33[79] | |
δ Cephei A | 887±26[80][81] | F5Ib-G1Ib[82][83] | 46.07+1.9 −2.1[30] |
5.26+1.26 −1.40[84] |
3.48 – 4.37[82] | Protoype of the Classical Cepheid variable stars. |
ζ Cephei | 993+51 −46[22] |
K1.5Ib[42] | 172.7+7.5 −8.3[30] |
10.1±0.1[85] | 3.35[86] | |
Miram (η Persei) |
1000±60[87] | K3Ib[88] | 173.1+9.69 −10.8[49] |
8±0.4[62] | 3.79[4] | |
β Doradus | 1040±50[89] – 1140±13[90] | F4-G4Ia-II[91][92] | 67.8±0.7[90] | 7.7±0.2[62] | 3.46 – 4.08[91] | |
Naos (ζ Puppis) |
1080±40[9] | O4If(n)p[93] | 13.5 ± 0.2[94] | 25.3 ± 5.3[94] | 2.24 – 2.26[95] |
Notes
[edit]- ^ Applying the Stefan–Boltzmann law with a nominal solar effective temperature of 5,772 K:
- .
- ^ Applying the Stefan–Boltzmann law with a nominal solar effective temperature of 5,772 K:
- ^ Using Alpha Aquarii's measured angular diameter at 3.066±0.036 milliarcseconds (mas),[49] together with its distance to Earth of 211.9 parsecs (or 691 light-years),[22] its physical size can be calculated. It is divided by 0.0046491 to convert to AU from 2 R☉, and the given value is divided by 2 to convert to the Sun's radius.
- ^ Applying the Stefan–Boltzmann law with a nominal solar effective temperature of 5,772 K:
- .
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{{cite journal}}
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External links
[edit]- Samus NN, Kazarovets EV, Durlevich OV, Kireeva NN, Pastukhova EN (2017). "General Catalogue of Variable Stars: Version GCVS 5.1". Astronomy Reports. 61 (1): 80–88. Bibcode:2017ARep...61...80S. doi:10.1134/S1063772917010085. ISSN 1063-7729. S2CID 255195566.