Below there are lists the nearest stars separated by spectral type. The scope of the list is still restricted to the main sequence spectral types: M, K, F, G, A, B and O. It may be later expanded to other types, such as S, D or C.
List of nearest M-type stars
editThis is a list of M-type stars within 13 light years.
Name | Distance (ly) | Spectral type | Stellar radius (R☉) | Stellar mass (M☉) | Apparent magnitude (V) | Absolute magnitude (V) | Notes | |
---|---|---|---|---|---|---|---|---|
Proxima Centauri | 4.24[1] | M5.5Ve[1] | 0.1542 ± 0.0045[2] | 0.1221±0.0022[2] | 10.43 – 11.1[3] | 15.6[4] | Also the nearest star to the Solar System. | |
Barnard's Star | 5.96[5] | M4.0V[6] | 0.187±0.001[7] | 0.161[7] | 9.511[8] | 13.21[8] | Also the second-nearest stellar system to the Solar System. | |
Wolf 359 | 7.856±0.001[5] | M6V[9] | 0.144±0.004[7] | 0.11±0.003[7] | 13.507[10] | 16.614[11] | Also the fourth-nearest stellar system to the Solar System. | |
Lalande 21185 | 8.034[12] | M2V[13] | 0.392±0.004[7] | 0.389±0.008[7] | 7.52[14] | 10.48[15] | Also the fifth-nearest stellar system to our Solar System. | |
Luyten 726-8 | B | 8.77±0.01[16] | M6V[17] | 0.159±0.006[18] | 0.1195±0.0043[18] | 12.8[11] | 15.7[11] | Also known as UV Ceti. |
A | M5.5V[17] | 0.165±0.006[18] | 0.1225±0.0043[18] | The archetype of the flare stars. Also known as BL Ceti | ||||
Ross 154 | 9.706[5] | M3.5V[19] | 0.200±0.008[7] | 0.177±0.004[7] | 10.44[19] | 13.07[19] | ||
Ross 248 | 10.306[20] | M6V[21] | 0.19[22] | 0.145[22] | 12.23 – 12.34[19] | 14.79[23] | ||
Lacaille 9352 | 10.74[12] | M0.5V[24] | 0.474±0.008[7] | 0.479+0.011 −0.010[7] |
7.34[25] | 9.8[26] | ||
Ross 128 | 11.007±0.001[5] | M4V[27] | 0.198±0.007[7] | 0.176±0.004[7] | 11.13[19] | 13.53[19] | ||
EZ Aquarii | A | 11.11[28] | M5V[19] | 0.175[29] | 0.1187±0.0011[28] | 13.03[19] | 15.33[19] | |
B | 0.21±0.04[28] | 0.1145±0.0012[28] | 13.27[19] | 15.58[19] | ||||
C | 0.093[28] | 12.38[19] | 17.37[19] | |||||
Struve 2398 | A | 11.4908[5] | M3V[22] | 0.354±0.003[7] | 0.336±0.007[7] | 8.94 | ||
B | 11.491[5] | M3.5V[22] | 0.273±0.011[22] | 0.248±0.235[22] | 9.7[30] | |||
Groombridge 34 | A | 11.6191±0.0008[5] | M1.4V[22] | 0.385±0.002[22] | 0.393+0.009 −0.008[22] |
8.119[22] | ||
B | 11.62[5] | M4.1V[22] | 0.18±0.03[31] | 0.15±0.02[31] | 11.007[22] | |||
DX Cancri | 11.68[5] | M6.5V[32] | 0.11[33] | 0.09[34] | 14.81[35] | 16.98[19] | ||
GJ 1061 | 11.984[36] | M5.5V[36] | 0.152±0.007[7] | 0.125±0.003[7] | 13.03[36] | 15.26[37] | ||
YZ Ceti | 12.122±0.002[5] | M4Ve | 0.168±0.009[30] | 0.13±0.013[38] | 12.03—12.18[39] | 14.3[40] | ||
Luyten's Star | 12.348±0.002[5] | M3.5V[19] | 0.293±0.007[41] | 0.29[41] | 9.87[42] | 11.94[42] | ||
Teegarden's Star | 12.497±0.004[43] | M7V[40] | 0.107±0.004[44] | 0.093±0.003[44] | 15.13[45] | 17.2[46] | ||
Kapteyn's Star | 12.83 [47] | M1.5V[48][24] or sdM1[8] | 0.291±0.025[48] | 0.281±0.014[48] | 8.853±0.008[48] | 10.89[8] | ||
Lacaille 8760 | 12.947[5] | M0Ve[49] | 0.51[50] | 0.6[19] | 6.67[19] | 8.69[19] | Brightest red dwarf in the sky. |
List of nearest K-type stars
editThis is a list of K-type stars within 30 light years.
Name | Distance (ly) | Spectral type | Stellar radius (R☉) | Stellar mass (M☉) | Apparent magnitude (V) | Absolute magnitude (V) | Notes | |
---|---|---|---|---|---|---|---|---|
Alpha Centauri B (Toliman) | 4.344 | K1V[51] | 0.8591 ± 0.0036[52] | 0.9092 ± 0.0025[52] | 1.33[53] | 5.71[54] | Also the 2nd/3rd nearest individual star to the Solar System. Named Toliman. | |
Epsilon Eridani (Ran) | 10.475 | K2V[55] | 0.735±0.005[24] | 0.82±0.02[56][57] | 3.736[58] | 6.19[19] | Also the tenth-nearest star system to our Solar System. Has one confirmed exoplanet | |
61 Cygni | A | 11.404 | K5V[59] | 0.665±0.005[60] | 0.7[61] | 5.21[62] | 7.506[63] | The first star to have its distance to Earth measured after the Sun. Also the 15th nearest stellar system to our solar system. |
B | K7V[59] | 0.595±0.008[60] | 0.63[61] | 6.05[64] | 8.228[63] | |||
Epsilon Indi A | 11.867 | K5V[24] | 0.711 ± 0.005[65] | 0.754±0.038[22] | 4.83[12] | 6.89[66] | Also the 19th nearest star system to our Solar System. Has one confirmed exoplanet and 2 brown dwarfs. | |
Groombridge 1618 | 15.886 | K7.5Ve[45] | 0.605±0.02[67] | 0.67±0.033[67] | 6.6[68] | 8.11[69] | ||
40 Eridani A | 16.33[5] | K0.5V[55] | 0.812±0.017[70] | 0.78±0.08[70] | 4.43[12] | 5.93[69] | Part of a triple star system | |
70 Ophiuchi | A | 16.68 | K0V[71] | 0.91±0.03[71] | 0.9±0.03[72] | 4.13[73] | 5.49[69] | |
B | 16.707 | K4V[71] | 0.7±0.07[72] | 6.07[73] | ||||
Sigma Draconis (Alsafi) | 18.799 | K0V[74] | 0.776±0.008[75] | 0.85+0.01 −0.03[76] |
4.674[77] | 5.89[78] | ||
Gliese 570 A | 19.199[79] | K4V[79] | 0.739±0.019[24] | 0.82±0.04[24] | 5.7[79] | 6.89[69] | Part of a quadruple star system | |
Eta Cassiopeiae B | 19.42[12] | K7V[72] | 0.66[15] | 0.57[72] | 7.51[72] | Part of a binary star system | ||
36 Ophiuchi | A | 19.41 | K2V[80] | 0.85 | 5.08[80] | Also known as Guniibuu | ||
B | K1V[80] | 0.81 | 5.03[80] | |||||
C | 19.418±0.004 | K5V[80] | 0.72 | 0.71 | 6.34[80] | |||
HR 7703 A | 19.61 | K2.5V[55] | 0.66[81] | 0.65[81] | 5.31[82] | 6.53[83] | Part of a binary system | |
ADS 7251 B | 20.658±0.003 | K7V[17] | 0.58 ± 0.03[84] | 0.64 ± 0.07[84] | 7.7[24] | Part of a binary star system | ||
HD 219134 | 21.336 | K3V[85] | 0.778 ± 0.005[86] | 0.81 ± 0.03[86] | 5.574[77] | 6.46[69] | Has six known exoplanets | |
Xi Boötis B | 23.011±0.008 | K4Ve[87] | 0.61[88] | 0.66 ± 0.07[72] | 6.8[87] | Part of a binary star system | ||
268 G. Ceti A | 23.58 | K3V[89] | 0.65 ± 0.053[89] | 0.7 ± 0.1[81] | 5.83[89] | 6.5[90] | Part of a trinary stellar system also known as Gliese 105 | |
Gliese 667 | A | 23.623±0.005 | K3V[91][92] | 0.76[91] | 0.73[93] | 5.91[91] | Part of a triple star system | |
B | K5V[91][92] | 0.7[91] | 0.69[93] | 7.2[91] | ||||
HD 4628 | 24.25±0.01[94] | K2.5V[55] | 0.749 ± 0.051[89] | 0.7 ± 0.1[95] | 5.74[96] | 6.37[69] | ||
TW Piscis Austrini | 24.793±0.005 | K5Vp[55] | 0.629 ± 0.051[24] | 0.725 ± 0.036[24] | 5.44 – 6.51[97] | 7.08[98] | Also known as Fomalhaut B. Part of a triple star system | |
107 Piscium | 24.8±0.03[94] | K1V[74] | 0.82 ± 0.03[99] | 0.86[99] | 5.14 — 5.26[100] | 5.87[101] | ||
Gliese 673 | 25.157±0.003 | K7V[8] | 0.564[89] | 7.492[8] | 8.83[8] | |||
p Eridani | A | 26.710±0.008 | K2V[55] | 0.75[5] | 0.78[102] | 5.76[103] | 6.25[69] | |
B | 26.733±0.007 | 0.77[5] | 0.77[102] | 5.87[103] | 6.27[69] | |||
Gliese 884 | 26.85[104] | K7V[104] | 0.67[104] | 0.63[104] | 7.9[104] | 8.3[104] | ||
Chi Draconis B | 27.17±0.03 | K0V[28] | 0.73 ± 0.11[28] | 0.748 ± 0.017[28] | 3.57 (combined)[105] | Part of a binary star system | ||
HR 1614 | 28.4±0.1[12] | K3V[106] | 0.78+0.03 −0.02[50] |
0.838+0.034 −0.033[50] |
6.208[106] | 6.51[69] | ||
HD 50281 | 28.54±0.01 | K3.5V[107] | 0.73+0.01 −0.02[94] |
0.79[108] | 6.58[109] | 6.87[69] | ||
HD 192310 | 28.74±0.01 | K2+ V[110] | 0.79 – 0.85[91] | 0.78 ± 0.04[111] | 5.73[110] | 6.0[112] | ||
AK Leporis | 29±0.004 | K2V[113] | 0.8[5] | 6.141[114] | 6.31[105] | |||
Delta Eridani (Rana) | 29.49±0.08[12] | K0 IV[115] | 2.35 ± 0.01[65] | 1.33 ± 0.07[71] | 3.51 – 3.56[3] | 3.77[116] |
List of nearest G-type stars
editThis is a list of G-type stars within 40 light years.
Name | Distance (ly) | Spectral type | Stellar radius (R☉) | Stellar mass (M☉) | Apparent magnitude (V) | Absolute magnitude (V) | Notes | |
---|---|---|---|---|---|---|---|---|
Sun | 1.58 × 10-5 (149,600,000 km) | G2V | 1 | -26.74[117] | 4.83[117] | The star at the centre of the Solar System. | ||
Alpha Centauri A (Rigil Kentaurus) | 4.344±0.002 | G2V[51] | 1.2175 ± 0.0055[52] | 1.0788 ± 0.0029[52] | 0.01[53] | 4.38[54] | It is the 2nd/3rd nearest individual star to the Solar System, and the fourth-brightest individual star in the night sky. Has one candidate exoplanet. | |
Tau Ceti | 11.912±0.007 | G8V[74] | 0.793 ± 0.004[118] | 0.783 ± 0.012[118] | 3.5[118] | 5.68[118] | Also the 20nd nearest star system to the Solar System. Has one confirmed exoplanet. | |
Eta Cassiopeiae A (Achird) | 19.42[12] | G0V[119] | 1.0386 ± 0.0038}}[120] | 0.972 ± 0.012[75] | 3.44[110] | 4.57[69] | Part of a binary star system | |
82 G. Eridani | 19.704±0.009 | G6V[74] | 0.92[15] | 0.7[121] | 4.254 | 5.34[69] | Has two confirmed exoplanets and one unconfirmed | |
Delta Pavonis | 19.89[5] | G8 IV[55] | 1.197 ± 0.016[65] | 1.051 ± 0.062[122] | 3.56[123] | 4.62[69] | The nearest undisputed subgiant. | |
Xi Boötis A | 22.027[124] | G8Ve[124] | 0.817 ± 0.007[125] | 0.88 ± 0.03[125] | 4.7[124] | 5.54[126] | Part of a binary star system | |
Beta Hydri | 24.33[12] | G2 IV[127] | 1.809 ± 0.015[128] | 1.08 ± 0.03[127] | 2.8[110] | 3.45[129] | ||
Mu Cassiopeiae Aa (Marfak) | 25.03±0.08 | G5Vb[74] | 0.789 ± 0.008[130] | 0.744 ± 0.0122[130] | 5.14[131] | 5.78[132] | Part of a binary star system | |
Mu Herculis Aa | 27.11±0.04 | G5IV[133] | 1.73 ± 0.02[134] | 1.11 ± 0.01[134] | 3.417[12] | 3.82[134] | Part of a quadruple star system | |
Chara | 27.63±0.04[5] | G0V[135] | 1.03 ± 0.03[136] | 0.97 ± 0.04[135] | 4.25[135] | 4.64[69] | ||
61 Virginis | 27.84±0.03 | G7V[107] | 0.9867 ± 0.0048}}[137] | 0.93[137] | 4.74 | 5.07[69] | Has three confirmed exoplanets | |
Chi1 Orionis A | 28.26±0.07 | G0V[74] | 0.983 ± 0.001[138] | 1.01[139] | 4.38 – 4.41[140] | 4.82[126] | ||
41 G. Arae A | 28.67±0.02 | G8V[141] | 0.79[50] | 0.81[50] | 5.61 | 5.74[69] | Part of a binary star system | |
Xi Ursae Majoris Ba | 29 | G2V[74] | 0.92 ± 0.04[142] | 0.86[142] | 4.264[143] | 4.66[a] | Part of a quadruple star system | |
Groombridge 1830 (Argelander's Star) | 29.93[94] | G8VIp[144] | 0.585 ± 0.004[138] | 0.67±0.006[138] | 6.44[68] | 6.64[69] | ||
Beta Comae Berenices | 29.95±0.1 | G0V[145] | 1.106 ± 0.011[75] | 1.15[50] | 4.26[110] | 4.46[69] | ||
HD 102365 A | 30.4±0.02 | G2V[55] | 0.96[50] | 0.889[50] | 4.88[82] | 5.07[69] | Part of a binary star system | |
61 Ursae Majoris | 31.24±0.04[94] | G8V[146] | 0.86 ± 0.02[147] | 0.93 ± 0.02[148] | 5.35[149] | 5.53[126] | ||
Alpha Mensae A | 33.31±0.02 | G7V[55] | 0.96 ± 0.013[150] | 0.964 ± 0.037[150] | 5.09 | 5.03[69] | Part of a binary star system | |
Iota Persei | 34.38±0.08[12] | G0V[74] or F9.5V[55] | 1.417 ± 0.008[138] | 1.08 – 1.13[138] | 4.062[151] | 3.94[69] | ||
Zeta Herculis A | 35±0.2[12] | G7V[133] | 0.915 – 0.92[152] | 0.98 ± 0.02[152] | 2.81 (combined)[110] | 2.65 (combined)[116] | Part of a binary star system | |
Delta Trianguli A | 35.2±0.1 | G0V[153] | 0.98[91] | 1[154] | 4.865[69] | 4.69[69] | Part of a binary star system | |
11 Leonis Minoris A | 36.54±0.08 | G8V[155] | 0.992 ± 0.015[138] | 0.936 ± 0.015[138] | 5.54[156] | 5.25[126] | Part of a binary star system | |
Eta Boötis A (Muphrid) | 37.2±0.5[12] | G0IV[157] | 2.659 ± 0.044[158] | 1.61 ± 0.11[158] | 2.68[69] | 2.41[105] | Part of a binary star system | |
Lambda Serpentis | 38.87±0.07[5] | G0V[159] | 1.363 ± 0.031[160] | 1.09 ± 0.04[160] | 4.43[144] | 4.01[69] | ||
Zeta Reticuli | A | 39.27±0.03 | G3-5V[161] | 0.92[50] | 0.958[50] | 5.52[82] | 5.11[69] | |
B | 39.29±0.09 | G2V[161] | 0.99[50] | 0.985[50] | 5.22[82] | 4.83[69] | ||
85 Pegasi A | 39.5±0.4[162] | G5Vb | 0.948 ± 0.011[138] | 0.827 ± 0.047[138] | 5.75 | 5.32[69] | Part of a binary star system |
List of nearest F-type stars
editThis is a list of F-type stars within 45 light years.
Name | Distance (ly) | Spectral type | Stellar radius (R☉) | Stellar mass (M☉) | Apparent magnitude (V) | Absolute magnitude (V) | Notes | |
---|---|---|---|---|---|---|---|---|
Procyon A | 11.46±0.05[12] | F5IV-V[163] | 2.048 ± 0.025[163] | 1.499 ± 0.031[164] | 0.34[163] | 2.66[23] | Part of a binary star system. Eight-brightest star in the night sky. | |
Pi3 Orionis (Tabit) | 26.32±0.04[12] | F6V[144] | 1.317 ± 0.004[138] | 1.288 ± 0.019[138] | 3.16[144] | 3.65[69] | ||
Chi Draconis A | 27.17±0.03[12] | F7V[28] | 1.2 ± 0.09[28] | 1.029 ± 0.06[28] | 3.57[105] | 4.04[105] | Part of a binary system | |
Zeta Tucanae | 28.01±0.04[12] | F9.5V[55] | 1.08 ± 0.08[81] | 0.99 ± 0.02[111] | 4.23 | 4.67[126] | ||
Xi Ursae Majoris A (Alula Australis) | 28.5±0.1[5] | F8.5:V[74] | 1.02 ± 0.04[99] | 0.97[99] | 4.264[143] | 4.66[b] | Part of a five-star system | |
Gamma Leporis | 29.12±0.05 | F6V[165] | 1.33 ± 0.04[166] | 1.23 ± 0.05[166] | 3.587[167] | 3.84[69] | ||
Gamma Pavonis | 30.21±0.05[12] | F9 V Fe-1.4 CH-0.7[55] | 1.15 ± 0.04[71] | 1.21 ± 0.12[71] | 4.22[168] | 4.40[69] | ||
Zeta Herculis A | 35±0.2[12] | F9IV[133] | 2.56 – 2.61[169] | 1.45 ± 0.1[169] | 2.81[110] | 2.65[116] | ||
Beta Virginis (Zavijava) | 35.65±0.09[12] | F9V[170] | 1.681 ± 0.008[75] | 1.413 ± 0.061[171] | 3.604[172] | 3.41[69] | ||
Theta Persei A | 36.29±0.09[12] | F8V[173] | 1.319 ± 0.011[75] | 1.138 ± 0.01[75] | 4.11[89] | 3.88[69] | ||
Gamma Serpentis | 36.7±0.07[12] | F6V[174] | 1.55 ± 0.05[71] | 1.3 ± 0.15[71] | 3.85[174] | 3.60[69] | ||
Zeta Doradus A | 37.91±0.07[12] | F9.5V Fe-0.5[175] | 1.07+0.02 −0.07[176] |
1.07[177] | 4.708[175] | 4.38[83] | ||
Gamma Virginis (Porrima) | A | 38.1±0.3[12] | F0V[178] | 1.45[179] | 1.4±0.05[180] | 3.4[181] | 3[181] | |
B | 3.5[181] | 3.1[181] | ||||||
Iota Pegasi A | 38.5±0.2[12] | F5V | 1.526 ± 0.068[89] | 1.33[142] | 3.84[142] | 3.49[142] | ||
Zeta Trianguli Australis A | 39.5±0.2[12] | F9V[55] | 1.12[182] | 4.90[96] | 4.49[69] | Part of a binary star system | ||
Beta Trianguli Australis | 40.37±0.08[12] | F1V[55] | 1.976 ± 0.021[65] | 1.56[183] | 2.85[184] | 2.37[109] | ||
Theta Ursae Majoris | 43.96±0.08[12] | F6IV | 2.365 ± 0.008 | 1.41 | 3.166 | 2.43 | ||
Upsilon Andromedae A (Titawin) | 44±0.1[12] | F8V | 1.57 ± 0.03[185] | 1.27 ± 0.06[186] | 4.10[89] | 3.44[186] |
List of nearest A-type stars
editThis is a list of A-type stars within 70 light years.
Name | Distance (ly) | Spectral type | Stellar radius (R☉) | Stellar mass (M☉) | Apparent magnitude (V) | Absolute magnitude (V) | Notes | |
---|---|---|---|---|---|---|---|---|
Sirius A | 8.6±0.04 | A0mA1Va[107] | 1.711[187] | 2.063 ± 0.023[188] | −1.46 [189] | 1.43[190] | Also the sixth-nearest stellar system to the Solar System and the brightest star in the night sky. | |
Altair | 16.7[191] | A7Vn[107] | 2.01 × 1.57[192] | 1.86 ± 0.03[192] | 0.76[53] | 2.22[193] | 12th brightest star in the night sky. | |
Vega | 25.04±0.07 | A0Va[107] | 2.726 × 2.418[194] | 2.135 ± 0.074[195] | 0.026[196] | 0.582[197] | Fifth-brightest star in the night sky. | |
Fomalhaut A | 25.13±0.09[198] | A3V[24] | 1.842 ± 0.019[98] | 1.92 ± 0.02[98] | 1.16[53] | 1.72[98] | 18th brightest star in the night sky. Part of a triple star system. | |
Denebola | 35.9±0.2[12] | A3Va[107] | 1.75 ± 0.02[199] | 1.78[200] | 2.14[3] | 1.93[109] | ||
Delta Capricorni (Deneb Algedi) | 38.7±0.09 | A7m III[201] | 1.91[202] | 2[202] | 2.81[201] | 2.48[109] | Part of a binary star system | |
Iota Ursae Majoris A (Talitha) | 47.3±0.1 | A7V(n)[203] | 1.67[204] | 1.7 ± 0.1 | 3.14[110] | 2.31[109] | Part of a quadruple star system | |
Alpha Ophiuchi A (Rasalhague) | 48.6±0.8 | A5IVnn[205] | 2.858 × 2.388[206] | 2.4+0.23 −0.37[207] |
2.07[110] | 1.248[208] | Part of a binary star system. | |
Alderamin | 49.05±0.08 | A8Vn[107] or A7IV-V[209] | 2.823 × 2.175[209] | 2 ± 0.15[209] | 2.46[210] | 1.57[116] | ||
Castor | Aa | 51±3 | A1V[211] | 2.089[212] | 2.37[212] | 1.93[73] | 0.986[213] | Part of a sextuple star system. |
Ba | Am[211] | 1.648[212] | 1.79[212] | 2.97[73] | 1.886[213] | |||
Alpha Circini | 54±0.1 | A7Vp[55] | 1.976 ± 0.066[214] | 1.5–1.7[215] | 3.18 - 3.21[97] | 2.18[83] | ||
Delta Leonis (Zosma) | 58.4±0.3[12] | A4V[216] | 2.14 ± 0.04[217] | 2.2[218] | 2.56[219] | 1.29[109] | ||
Beta Arietis A (Sheratan) | 58.4±0.3[220] | A3V[220] | 1.985[220] | 2.067[220] | 2.655[167] | 1.444[220] | Part of a binary star system | |
Iota Centauri | 58.6[12] | A2V[55] | 1.9[221] | 2.03 ± 0.03[221] | 2.73[110] | 1.47[109] | ||
Beta Pictoris | 63.4±0.2[5] | A6V[55] | 1.8[222] | 1.75[223] | 3.861[224] | 2.402[225] | Has two known planets |
List of nearest B-type stars
editThis is a list of B-type stars within 200 light years.
Name | Distance (ly) | Spectral type | Stellar radius (R☉) | Stellar mass (M☉) | Apparent magnitude (V) | Absolute magnitude (V) | Notes |
---|---|---|---|---|---|---|---|
Regulus A | 79.3±0.7 | B8IVn[89] | 4.16 × 3.14[226] | 3.44[227] | 1.40[89] | −0.57[109] | Part of a binary star system. Also the 20th brightest star in the night sky. |
Algol Aa1 | 90±3[12] | B8V[228] | 2.73±0.2[229] | 3.17±0.21[229] | 2.12 (combined)[53] | −0.07[230] | Part of a three-star system |
Alpheratz A | 97±1 | B8IV-VHgMn[231] | 2.94 ± 0.34[232] | 3.63±0.201[233] | 2.22[220] | −0.193[220] | Part of a binary star system |
Alnair | 101±0.7 | B6V[55] or B7IV[156] | 3.91[234][c] | 3.82[183] | 1.74[235] | −0.72[109] | 31st brightest star in the night sky. |
Alkaid | 103.9±0.8[12] | B3V[170] | 3.4±0.5[136] | 6.1±0.1[236] | 1.86[53] | −0.67[109] | 40th brightest star in the night sky. |
Alpha Pegasi (Markab) | 133±1 | B9III[237] to A0IV[238] | 4.62±0.29[239] | 3.5[240] | 2.48[110] | −0.718[241] | |
Elnath | 134±2 | B7III[242] | 4.82±0.34[239] | 5±0.1[243] | 1.65[53] | −1.42[109] | 27th brightest star in the night sky. |
Achernar | 139±3[12] | B3Vpe[244] | 9.16 × 6.78[245] | 6[246] | 0.40 – 0.46[247] | −2.7[248] | 9th brightest star in the night sky. |
Beta1 Tucanae | 140±1 | B9V[249] | 3.84[93] | 4.37[103] | Part of a six-star system | ||
Epsilon Sagittarii A (Kaus Australis) | 143±2[12] | B9.5III[250] | 8.8 × 6.01[251] | 3.8[251] | 1.85[110] | −1.41[252] | 38th brightest star in the night sky. |
Epsilon Hydri | 151.8±0.6[12] | B9Va[109] | 2.2[253] | 2.64[254] | 4.12[109] | 0.78[109] | |
Phi Eridani | 153.7±0.9[12] | B8IV[255] | 2.4[256] | 3.5[183] | 3.55[96] | 0.183±0.027[225] | |
Gamma Corvi A (Gienah) | 154±1[12] | B8III[257] | 4.086[258] | 4.2+0.4 −0.3[243] |
2.585[58] | −0.79[109] | |
Beta Canis Minoris (Gomeisa) | 160±10 | B8Ve[259] | 3.5[260] | 3.5[259] | 2.84 – 2.92[247] | -0.59[109] | |
Kappa Andromedae | 168±2 | B9IVn[216] | 2.29±0.06[261] | 2.768+1.00 −1.09[262] |
4.139[263] | 0.59[109] | Has one confirmed exoplanet or brown dwarf |
Peacock | 179±5[12] | B3V[264] | 4.83[265] | 5.91[183] | 1.94[184] | −1.762[266] | 44th brightest star in the night sky. |
Kappa1 Lupi | 180±5[12] | B9.5Vne[267] | 2.3[91] | 2.89±0.03[254] | 3.86[96] | ||
Alpha Sagittarii (Rukbat) | 182±2 | B8V[268] | 2.35[d] | 2.95[183] | 3.97[110] | 0.23[109] | |
Beta Librae (Zubeneschamali) | 185±2 | B8V[243] | 4.9±0.3[e] | 3.5+0.3 −0.2[243] |
2.61[219] | −1.16 |
List of nearest O-type stars
editThis is a list of O-type stars within 1,500 light years.
Name | Distance (ly) | Spectral type | Stellar radius (R☉) | Stellar mass (M☉) | Apparent magnitude (V) | Absolute magnitude (V) | Notes |
---|---|---|---|---|---|---|---|
Zeta Ophiuchi | 366±8[12] | O9.5V[270] | 8.5[271] | 20.2[272] | 2.56 – 2.58[3] | -4.2[271] | |
Iota Arae B | 915±23[5] | sdO[273] | 0.61±0.09[273] | 1.06±0.29[273] | A subdwarf O star. | ||
V846 Arae B | 985±13[5] | sdO[273] | 0.27±0.04[273] | 0.53±0.11[273] | A subdwarf O star. | ||
Kappa1 Apodis B | 1060±20[5] | sdO[273] | 0.44±0.06[273] | 1.60±0.14[273] | A subdwarf O star. | ||
Zeta Puppis (Naos) | 1080±40 | O4If(n)p[274] | 13.5±0.2[275] | 25.3 to 42.4[275] | 2.24 – 2.26[276] | −6.23[277] | One of the most massive stars visible to the naked eye. |
Gamma Velorum A | 1096+26 −23[278] |
O7.5III[279] | 16.2[278] | 28.5±1.1[280] | 1.83 (combined)[53] | −5.63[280] | 30th brightest star in the night sky. |
Mintaka | 1200[281] | O9.5II[281] | 13.1[282] | 17.8[281] | 2.5[283] | −5.8[284] | Part of a multiple star system |
Alnitak | 1260±180[285] | O9.5lab[285] | 20±3.2[285] | 33±10[285] | 2.08[285] | −6[285] | Part of a triple star system |
Sigma Orionis Aa | 1263±4.3[286] | O9.5V[287] | 5.6[286] | 16[286] | 4.07 (combined)[288] | −3.49[289] | Part of a quintuple star system |
Meissa A | 1260±200[5] | O8III((f))[274] | 13.4[290] | 34[291] | 3.7[292] | −4.25 | Part of a multiple star system |
AE Aurigae | 1320±40 | O9.5V[274] | 7.47[293] | 23[293] | 5.96[53] (5.78 – 6.08)[247] | ||
Xi Persei (Menkib) | 1333±143[5] | O7.5III | 14 | 26—36 | 4.04 | −5.5 | |
Theta1 Orionis C1 | 1340±65[294] | O7Vp[295] | 10.6±1.5[296] | 33±5[297] | 5.13[53] | −4.9[296] | Part of a binary star system |
Iota Orionis Aa1 (Haytsa) | 1343+45.6 −42.3[298] |
O9III[299] | 8.3[300] | 23.1[300] | 2.77(combined)[184] | Part of a multiple star system | |
LS Muscae B | 1383±43[5] | sdO[273] | 0.3±0.1[273] | 1.43±0.31[273] | A subdwarf O star. |
Notes
edit- ^ Calculated from the bolometric magnitude 4.54 ± 0.06 and the bolometric correction −0.12 ± 0.05 using the formula: BC = Mbol − MV
- ^ Calculated from the bolometric magnitude 4.54 ± 0.06 and the bolometric correction −0.12 ± 0.05 using the formula: BC = Mbol − MV
- ^ 0.00117 arcseconds*31.1 pc = 0.036387 AU (diameter). Should be multiplied by 107.5 to convert from AU to R☉.
- ^ Radius calculated using a effective temperature of 12 387 K and a luminosity of 117 L☉.[183]
- ^ Calculated using an angular diameter of 0.801 Milliarcseconds.[269]
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