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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.

The Alpha Centauri star system is the closest star system to the Sun.

List of nearest M-type stars

See also: List of nearest stars and brown dwarfs

This is a list of M-type stars within 13 light years.

Proxima Centauri is the closest M-type star to the Earth.
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] 0.987 [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

This is a list of K-type stars within 30 light years.

Alpha Centauri B is the closest K-type star to the Earth.
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 [67] 0.605 ± 0.02 [68] 0.67 ± 0.033 [68] 6.6 [69] 8.11 [70]
40 Eridani A 16.33 [5] K0.5V [55] 0.812 ± 0.017 [71] 0.78 ± 0.08 [71] 4.43 [12] 5.93 [70] Part of a triple star system
70 Ophiuchi A 16.68 K0V [72] 0.91 ± 0.03 [72] 0.9 ± 0.03 [73] 4.13 [74] 5.49 [70]
B 16.707 K4V [72] 0.7 ± 0.07 [73] 6.07 [74]
Sigma Draconis (Alsafi) 18.799 K0V [75] 0.776 ± 0.008 [76] 0.85+0.01
−0.03 [77] 		4.674 [78] 5.89 [79]
Gliese 570 A 19.199 [80] K4V [80] 0.739 ± 0.019 [24] 0.82 ± 0.04 [24] 5.7 [80] 6.89 [70] Part of a quadruple star system
Eta Cassiopeiae B 19.42 [12] K7V [73] 0.66 [15] 0.57 [73] 7.51 [73] Part of a binary star system
36 Ophiuchi A 19.41 K2V [81] 0.817 ± 0.016 [24] 0.85 5.08 [81] Also known as Guniibuu
B K1V [81] 0.81 5.03 [81]
C 19.418±0.004 K5V [81] 0.72 0.71 6.34 [81]
HR 7703 A 19.61 K2.5V [55] 0.66 [82] 0.65 [82] 5.31 [83] 6.53 [84] Part of a binary system
ADS 7251 B 20.658±0.003 K7V [17] 0.58 ± 0.03 [85] 0.64 ± 0.07 [85] 7.7 [24] Part of a binary star system
HD 219134 21.336 K3V [86] 0.778 ± 0.005 [87] 0.81 ± 0.03 [87] 5.574 [78] 6.46 [70] Has six known exoplanets
Xi Boötis B 23.011±0.008 K4Ve [88] 0.61 [89] 0.66 ± 0.07 [89] 6.8 [88] Part of a binary star system
268 G. Ceti A 23.58 K3V [90] 0.65 ± 0.053 [90] 0.7 ± 0.1 [91] 5.83 [90] 6.5 [92] Part of a trinary stellar system also known as Gliese 105
Gliese 667 A 23.623±0.005 K3V [93] [94] 0.76 [93] 0.73 [95] 5.91 [93] Part of a triple star system
B K5V [93] [94] 0.7 [93] 0.69 [95] 7.2 [93]
HD 4628 24.25±0.01 [96] K2.5V [55] 0.749 ± 0.051 [90] 0.7 ± 0.1 [97] 5.74 [98] 6.37 [70]
TW Piscis Austrini 24.793±0.005 K5Vp [55] 0.629 ± 0.051 [24] 0.725 ± 0.036 [24] 5.44 – 6.51 [99] 7.08 [100] Also known as Fomalhaut B. Part of a triple star system
107 Piscium 24.8±0.03 [96] K1V [75] 0.82 ± 0.03 [101] 0.86 [101] 5.14 — 5.26 [102] 5.87 [103]
Gliese 673 25.157±0.003 K7V [8] 0.564 [90] 7.492 [8] 8.83 [8]
p Eridani A 26.710±0.008 K2V [55] 0.75 [5] 0.78 [104] 5.76 [105] 6.25 [70]
B 26.733±0.007 0.77 [5] 0.77 [104] 5.87 [105] 6.27 [70]
Gliese 884 26.85 [106] K7V [106] 0.67 [106] 0.63 [106] 7.9 [106] 8.3 [106]
Chi Draconis B 27.17±0.03 K0V [28] 0.73 ± 0.11 [28] 0.748 ± 0.017 [28] 3.57 (combined) [107] Part of a binary star system
HR 1614 28.4±0.1 [12] K3V [108] 0.78+0.03
−0.02 [50] 		0.838+0.034
−0.033 [50] 		6.208 [108] 6.51 [70]
HD 50281 28.54±0.01 K3.5V [109] 0.73+0.01
−0.02 [96] 		0.79 [110] 6.58 [111] 6.87 [70]
HD 192310 28.74±0.01 K2+ V [112] 0.79 – 0.85 [93] 0.78 ± 0.04 [113] 5.73 [112] 6.0 [114]
AK Leporis 29±0.004 K2V [115] 0.8 [5] 6.141 [116] 6.31 [107]
Delta Eridani (Rana) 29.49±0.08 [12] K0 IV [117] 2.327 ± 0.029 [72] 1.33 ± 0.07 [72] 3.51 – 3.56 [3] 3.77 [118]

List of nearest G-type stars

This is a list of G-type stars within 40 light years.

The Sun is the closest G-type star to the Earth.
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 -26.74 [119] 4.83 [119] 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 [75] 0.793 ± 0.004 [120] 0.783 ± 0.012 [120] 3.5 [120] 5.68 [120] Also the 20nd nearest star system to the Solar System. Has one confirmed exoplanet.
Eta Cassiopeiae A (Achird) 19.42 [12] G0V [121] 1.0386 ± 0.0038 [122] 0.972 ± 0.012 [76] 3.44 [112] 4.57 [70] Part of a binary star system
82 G. Eridani 19.704±0.009 G6V [75] 0.92 [15] 0.7 [123] 4.254 5.34 [70] Has two confirmed exoplanets and one unconfirmed
Delta Pavonis 19.89 [5] G8 IV [55] 1.197 ± 0.016 [65] 1.051 ± 0.062 [124] 3.56 [125] 4.62 [70] The nearest undisputed subgiant.
Xi Boötis A 22.027 [126] G8Ve [126] 0.817 ± 0.007 [89] 0.88 ± 0.03 [89] 4.7 [126] 5.54 [127] Part of a binary star system
Beta Hydri 24.33 [12] G2 IV [128] 1.809 ± 0.015 [129] 1.08 ± 0.03 [128] 2.8 [112] 3.45 [130]
Mu Cassiopeiae Aa (Marfak) 25.03±0.08 G5Vb [75] 0.789 ± 0.008 [131] 0.744 ± 0.0122 [131] 5.14 [132] 5.78 [133] Part of a binary star system
Mu Herculis Aa 27.11±0.04 G5IV [134] 1.73 ± 0.02 [135] 1.11 ± 0.01 [135] 3.417 [12] 3.82 [135] Part of a quadruple star system
Chara 27.63±0.04 [5] G0V [136] 1.123 ± 0.028 [76] 0.97 ± 0.04 [136] 4.25 [136] 4.64 [70]
61 Virginis 27.84±0.03 G7V [109] 0.9867 ± 0.0048 [137] 0.93 [137] 4.74 5.07 [70] Has three confirmed exoplanets
Chi1 Orionis A 28.26±0.07 G0V [75] 0.979 ± 0.009 [76] 1.01 [138] 4.38 – 4.41 [139] 4.82 [127]
41 G. Arae A 28.67±0.02 G8V [140] 0.79 [50] 0.81 [50] 5.61 5.74 [70] Part of a binary star system
Xi Ursae Majoris Ba 29 G2V [75] 0.92 ± 0.04 [141] 0.86 [141] 4.264 [142] 4.66 [a] Part of a quadruple star system
Groombridge 1830 (Argelander's Star) 29.93 [96] G8VIp [143] 0.681 ± 0.006 [76] 0.661 [50] 6.44 [69] 6.64 [70]
Beta Comae Berenices 29.95±0.1 G0V [144] 1.106 ± 0.011 [76] 1.15 [50] 4.26 [112] 4.46 [70]
HD 102365 A 30.4±0.02 G2V [55] 0.96 [50] 0.889 [50] 4.88 [83] 5.07 [70] Part of a binary star system
61 Ursae Majoris 31.24±0.04 [96] G8V [145] 0.86 ± 0.02 [146] 0.93 ± 0.02 [147] 5.35 [148] 5.53 [127]
Alpha Mensae A 33.31±0.02 G7V [55] 0.96 ± 0.013 [149] 0.964 ± 0.037 [149] 5.09 5.03 [70] Part of a binary star system
Iota Persei 34.38±0.08 [12] G0V [75] or F9.5V [55] 1.412 ± 0.009 [76] 1.35 ± 0.08 [150] 4.062 [151] 3.94 [70]
Zeta Herculis A 35±0.2 [12] G7V [134] 0.915 – 0.92 [152] 0.98 ± 0.02 [152] 2.81 (combined) [112] 2.65 (combined) [118] Part of a binary star system
Delta Trianguli A 35.2±0.1 G0V [153] 0.98 [93] 1 [154] 4.865 [70] 4.69 [70] Part of a binary star system
11 Leonis Minoris A 36.54±0.08 G8V [155] 1.0029 ± 0.0158 [122] 0.964 [122] 5.54 [156] 5.25 [127] Part of a binary star system
Eta Boötis A (Muphrid) 37.2±0.5 [12] G0IV [157] 2.672 ± 0.028 [158] 1.71 ± 0.05 [158] 2.68 [70] 2.41 [107] Part of a binary star system
Lambda Serpentis 38.87±0.07 [5] G0V [159] 1.06 ± 0.152 [90] 1.14 [150] 4.43 [160] 4.01 [70]
Zeta Reticuli A 39.27±0.03 G3-5V [161] 0.92 [50] 0.958 [50] 5.52 [83] 5.11 [70]
B 39.29±0.09 G2V [161] 0.99 [50] 0.985 [50] 5.22 [83] 4.83 [70]
85 Pegasi A 39.5±0.4 [162] G5Vb 0.91 0.88 5.75 5.32 [70] Part of a binary star system

List of nearest F-type stars

This is a list of F-type stars within 45 light years.

Procyon A is the closest F-type star to the Earth.
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 [143] 1.323 ± 0.004 [76] 1.236 [50] 3.16 [143] 3.65 [70]
Chi Draconis A 27.17±0.03 [12] F7V [28] 1.2 ± 0.09 [28] 1.029 ± 0.06 [28] 3.57 [107] 4.04 [107] Part of a binary system
Zeta Tucanae 28.01±0.04 [12] F9.5V [55] 1.08 ± 0.08 [82] 0.99 ± 0.02 [113] 4.23 4.67 [127]
Xi Ursae Majoris A (Alula Australis) 28.5±0.1 [5] F8.5:V [75] 1.02 ± 0.04 [101] 0.97 [101] 4.264 [142] 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 [70]
Gamma Pavonis 30.21±0.05 [12] F9 V Fe-1.4 CH-0.7 [55] 1.15 ± 0.04 [72] 1.21 ± 0.12 [72] 4.22 [168] 4.40 [70]
Zeta Herculis A 35±0.2 [12] F9IV [134] 2.56 – 2.61 [169] 1.45 ± 0.1 [169] 2.81 [112] 2.65 [170]
Beta Virginis (Zavijava) 35.65±0.09 [12] F9V [171] 1.681 ± 0.008 [76] 1.413 ± 0.061 [172] 3.604 [173] 3.41 [70]
Theta Persei A 36.29±0.09 [12] F8V [174] 1.319 ± 0.011 [76] 1.138 ± 0.01 [76] 4.11 [90] 3.88 [70]
Gamma Serpentis 36.7±0.07 [12] F6V [175] 1.55 ± 0.05 [72] 1.3 ± 0.15 [72] 3.85 [175] 3.60 [70]
Zeta Doradus A 37.91±0.07 [12] F7V 1.07+0.02
−0.07 [176] 		1.07 [177] 4.8191 [12] 4.38 [178]
Gamma Virginis (Porrima) A 38.1±0.3 [12] F0V [179] 1.56 [180] 3.4 [180] 3 [180]
B 1.5 [180] 3.5 [180] 3.1 [180]
Iota Pegasi A 38.5±0.2 [12] F5V 1.526 ± 0.068 1.33 3.84 3.49
Zeta Trianguli Australis A 39.5±0.2 [12] F9V [55] 1.12 [181] 4.90 [98] 4.49 [70] Part of a binary star system
Beta Trianguli Australis 40.37±0.08 [12] F1V [55] 1.976 ± 0.021 [65] 1.56 [182] 2.85 [183] 2.37 [111]
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 1.48 ± 0.087 1.27 ± 0.06 4.10 3.44

List of nearest A-type stars

This is a list of A-type stars within 60 light years.

Sirius A is the closest A-type star to the Earth.
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 [109] 1.711 [184] 2.063 ± 0.023 [185] -1.46 [186] 1.43 [187] Also the sixth-nearest stellar system to the Solar System and the brightest star in the night sky.
Altair 16.7 [188] A7Vn [109] 2.01 – 1.57 [189] 1.86 ± 0.03 [189] 0.76 [53] 2.22 [190] 12th brightest star in the night sky.
Vega 25.04±0.07 A0Va [109] 2.818 – 2.362 [191] 2.135 ± 0.074 [191] 0.026 [192] 0.582 [193] Fifth-brightest star in the night sky.
Fomalhaut A 25.13±0.09 [194] A3V [24] 1.842 ± 0.019 [100] 1.92 ± 0.02 [100] 1.16 [53] 1.72 [100] 18th brightest star in the night sky. Part of a triple star system.
Denebola 35.9±0.2 [12] A3Va [109] 1.728 [195] 1.78 [195] 2.14 [196] 1.93 [111]
Delta Capricorni (Deneb Algedi) 38.7±0.09 A7m III [197] 1.91 [198] 2 [198] 2.81 [197] 2.48 [111] Part of a binary star system
Iota Ursae Majoris A (Talitha) 47.3±0.1 A7V(n) [199] 1.7 ± 0.1 3.14 [112] 2.31 [111] Part of a quadruple star system
Alpha Ophiuchi A (Rasalhague) 48.6±0.8 A5IVnn [200] 2.6 [175] 2.4+0.23
−0.37 [201] 		2.07 [112] 1.248 [202] Part of a binary star system.
Alderamin 49.05±0.08 A8Vn [109] or A7IV-V [203] 2.823 × 2.175 [203] 2 ± 0.15 [203] 2.5141 [12] 1.57 [204]
Castor Aa 51±3 A1V [205] 2.089 [206] 2.37 [206] 1.93 [74] 0.986 [207] Part of a sextuple star system.
Ba Am [205] 1.648 [206] 1.79 [206] 2.97 [74] 1.886 [207]
Delta Leonis (Zosma) 58.4±0.3 [12] A4V [208] 2.14 ± 0.04 [209] 2.2 [210] 2.56 [211] 1.29 [111]
Iota Centauri 58.6 [12] A2V [55] 2.5 [212] 2.73 [112] 1.47 [111]
Beta Arietis A (Sheratan) 59.6±0.8 A5V [213] 2.34 ± 0.1 [214] 2.655 [167] 1.59 [187] Part of a binary star system

List of nearest B-type stars

This is a list of B-type stars within 200 light years.

Regulus A is the closest B-type star to the Earth.
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 [90] 4.35 ± 0.1 [215] 3.8 [175] 1.40 [90] -0.57 [111] Part of a binary star system. Also the 20th brightest star in the night sky.
Algol Aa1 90±3 [12] B8V [216] 2.73 ± 0.2 [217] 3.17 ± 0.21 [217] 2.12 (combined) [53] -0.07 [218]
Alpheratz A 97±1 B8IV-VHgMn [219] 2.7 ± 0.4 [220] 3.8 ± 0.2 [220] 2.22 -0.19 [221] Part of a binary star system
Alnair 101±0.7 B6V [55] or B7IV [156] 3.4 [222] 4 [175] 1.74 [223] -0.72 [111] 31st brightest star in the night sky.
Alkaid 103.9±0.8 [12] B3V [171] 3.4 [215] 6.1 ± 0.1 [224] 1.86 [53] -0.67 [111] 40th brightest star in the night sky.
Alpha Pegasi (Markab) 133±1 B9V, [225] B9.5III [226] or A0IV [227] 4.62 ± 0.29 [228] 3.5 [229] 2.48 [112] -0.718 [230]
Beta Tauri (Elnath) 134±2 B7III [231] 4.2 [232] 5 ± 0.1 [233] 1.65 [53] -1.42 [111] 27th brightest star in the night sky.
Achernar 139±3 [12] B3Vpe [234] 9.16 – 6.78 [235] 6 [236] 0.40 – 0.46 [237] -2.7 [238] 9th brightest star in the night sky.
Beta1 Tucanae 140±1 B9V [239] 3.84 [95] 4.37 [105] Part of a six-star system
Epsilon Sagittarii A (Kaus Australis) 143±2 [12] B9.5III [240] 6.8 [241] 3.515 ± 0.038 [242] 1.85 [112] -1.41 [242] 38th brightest star in the night sky.
Epsilon Hydri 151.8±0.6 [12] B9Va [111] 2.2 [243] 2.64 [244] 4.12 [111] 0.78 [111]
Gamma Corvi A (Gienah) 154±1 [12] B8III [245] 4.2+0.4
−0.3 [233] 		2.585 [58] -0.79 [111]
Beta Canis Minoris (Gomeisa) 160±10 B8Ve [246] 3.5 [247] 3.5 [246] 2.84 – 2.92 [237] -0.59 [111]
Kappa Andromedae 168±2 B9IVn [208] 2.29 ± 0.06 [248] 2.768+1
−1.09 [249] 		4.139 [250] 0.59 [111] Has one confirmed exoplanet or brown dwarf
Alpha Pavonis A (Peacock) 179±5 [12] B3V [251] 4.83 [252] 5.91 [182] 1.94 [183] -1.762 [253] 44th brightest star in the night sky.
Kappa1 Lupi 180±5 [12] B9.5Vne [254] 2.3 [93] 2.89 ± 0.03 [244] 3.86
Alpha Sagittarii (Rukbat) 182±2 B8V [255] 2.35 [c] 2.95 [182] 3.97 [112] 0.23 [111]
Beta Librae (Zubeneschamali) 185±2 B8V [233] 4.9 ± 0.3 [d] 3.5+0.3
−0.2 [233] 		2.61 [211] -1.16

List of nearest O-type stars

This is a list of O-type stars within 1,500 light years.

Zeta Ophiuchi is the closest O-type star to the Earth.
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 [257] 8.5 [258] 20.2 [259] 2.56 – 2.58 [3] -4.2 [260]
Zeta Puppis (Naos) 1080±40 O4If(n)p [261] 14 – 26 [262] 56.1 [263] 2.24 – 2.26 [264] -6.23 [263] One of the most massive stars visible to the naked eye.
Mintaka 1200 [265] O9.5II [265] 16.5 [265] 24 [265] 2.5 [266] -5.8 [267] Part of a multiple star system
Gamma Velorum A 1236±13 [268] O7.5III [269] 17 ± 2 [270] 28.5 ± 1.1 [270] 1.83 (combined) [53] -5.63 [270] 30th brightest star in the night sky.
Alnitak 1260±180 [271] O9.5lab [271] 20 ± 3.2 [271] 33 ± 10 [271] 2.08 [271] -6 [271] Part of a triple star system
Sigma Orionis Aa 1263±4.3 [272] O9.5V [273] 5.6 [272] 16 [272] 4.07 (combined) [274] -3.49 [275] Part of a quintuple star system
Meissa A ~1300 [276] O8III((f)) [261] 13.4 [277] 27.9 ± 3.3 [224] 3.7 [278] -4.25 Part of a multiple star system
Mu Columbae ~1300 O9.5V [279] 6.58 [280] 16 [280] 5.18 [53] -3.64 [280]
AE Aurigae 1320±40 O9.5V [261] 7.47 [281] 23 [281] 5.96 [53] (5.78 – 6.08) [237]
Theta1 Orionis C1 1340±65 [282] O7Vp [283] 10.6 ± 1.5 [284] 33 ± 5 [285] 5.13 [53] -4.9 [284] Part of a binary star system
Iota Orionis Aa1 (Haytsa) 1343+45.6
−42.3 [286] 		O9III [287] 8.3 [288] 23.1 [288] 2.77 (combined) [183] Part of a multiple star system

Notes

  1. ^ Calculated from the bolometric magnitude 4.54 ± 0.06 and the bolometric correction −0.12 ± 0.05 using the formula: BC = Mbol − MV
  2. ^ Calculated from the bolometric magnitude 4.54 ± 0.06 and the bolometric correction −0.12 ± 0.05 using the formula: BC = Mbol − MV
  3. ^ Radius calculated using a effective temperature of 12 387 K and a luminosity of 117 L☉. [182]
  4. ^ Calculated using an angular diameter of 0.801 Milliarcseconds. [256]


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Retrieved from " https://en.wikipedia.org/?title=List_of_nearest_stars_by_spectral_type&oldid=1231631132"
From Wikipedia, the free encyclopedia

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.

The Alpha Centauri star system is the closest star system to the Sun.

List of nearest M-type stars

See also: List of nearest stars and brown dwarfs

This is a list of M-type stars within 13 light years.

Proxima Centauri is the closest M-type star to the Earth.
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] 0.987 [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

This is a list of K-type stars within 30 light years.

Alpha Centauri B is the closest K-type star to the Earth.
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 [67] 0.605 ± 0.02 [68] 0.67 ± 0.033 [68] 6.6 [69] 8.11 [70]
40 Eridani A 16.33 [5] K0.5V [55] 0.812 ± 0.017 [71] 0.78 ± 0.08 [71] 4.43 [12] 5.93 [70] Part of a triple star system
70 Ophiuchi A 16.68 K0V [72] 0.91 ± 0.03 [72] 0.9 ± 0.03 [73] 4.13 [74] 5.49 [70]
B 16.707 K4V [72] 0.7 ± 0.07 [73] 6.07 [74]
Sigma Draconis (Alsafi) 18.799 K0V [75] 0.776 ± 0.008 [76] 0.85+0.01
−0.03 [77] 		4.674 [78] 5.89 [79]
Gliese 570 A 19.199 [80] K4V [80] 0.739 ± 0.019 [24] 0.82 ± 0.04 [24] 5.7 [80] 6.89 [70] Part of a quadruple star system
Eta Cassiopeiae B 19.42 [12] K7V [73] 0.66 [15] 0.57 [73] 7.51 [73] Part of a binary star system
36 Ophiuchi A 19.41 K2V [81] 0.817 ± 0.016 [24] 0.85 5.08 [81] Also known as Guniibuu
B K1V [81] 0.81 5.03 [81]
C 19.418±0.004 K5V [81] 0.72 0.71 6.34 [81]
HR 7703 A 19.61 K2.5V [55] 0.66 [82] 0.65 [82] 5.31 [83] 6.53 [84] Part of a binary system
ADS 7251 B 20.658±0.003 K7V [17] 0.58 ± 0.03 [85] 0.64 ± 0.07 [85] 7.7 [24] Part of a binary star system
HD 219134 21.336 K3V [86] 0.778 ± 0.005 [87] 0.81 ± 0.03 [87] 5.574 [78] 6.46 [70] Has six known exoplanets
Xi Boötis B 23.011±0.008 K4Ve [88] 0.61 [89] 0.66 ± 0.07 [89] 6.8 [88] Part of a binary star system
268 G. Ceti A 23.58 K3V [90] 0.65 ± 0.053 [90] 0.7 ± 0.1 [91] 5.83 [90] 6.5 [92] Part of a trinary stellar system also known as Gliese 105
Gliese 667 A 23.623±0.005 K3V [93] [94] 0.76 [93] 0.73 [95] 5.91 [93] Part of a triple star system
B K5V [93] [94] 0.7 [93] 0.69 [95] 7.2 [93]
HD 4628 24.25±0.01 [96] K2.5V [55] 0.749 ± 0.051 [90] 0.7 ± 0.1 [97] 5.74 [98] 6.37 [70]
TW Piscis Austrini 24.793±0.005 K5Vp [55] 0.629 ± 0.051 [24] 0.725 ± 0.036 [24] 5.44 – 6.51 [99] 7.08 [100] Also known as Fomalhaut B. Part of a triple star system
107 Piscium 24.8±0.03 [96] K1V [75] 0.82 ± 0.03 [101] 0.86 [101] 5.14 — 5.26 [102] 5.87 [103]
Gliese 673 25.157±0.003 K7V [8] 0.564 [90] 7.492 [8] 8.83 [8]
p Eridani A 26.710±0.008 K2V [55] 0.75 [5] 0.78 [104] 5.76 [105] 6.25 [70]
B 26.733±0.007 0.77 [5] 0.77 [104] 5.87 [105] 6.27 [70]
Gliese 884 26.85 [106] K7V [106] 0.67 [106] 0.63 [106] 7.9 [106] 8.3 [106]
Chi Draconis B 27.17±0.03 K0V [28] 0.73 ± 0.11 [28] 0.748 ± 0.017 [28] 3.57 (combined) [107] Part of a binary star system
HR 1614 28.4±0.1 [12] K3V [108] 0.78+0.03
−0.02 [50] 		0.838+0.034
−0.033 [50] 		6.208 [108] 6.51 [70]
HD 50281 28.54±0.01 K3.5V [109] 0.73+0.01
−0.02 [96] 		0.79 [110] 6.58 [111] 6.87 [70]
HD 192310 28.74±0.01 K2+ V [112] 0.79 – 0.85 [93] 0.78 ± 0.04 [113] 5.73 [112] 6.0 [114]
AK Leporis 29±0.004 K2V [115] 0.8 [5] 6.141 [116] 6.31 [107]
Delta Eridani (Rana) 29.49±0.08 [12] K0 IV [117] 2.327 ± 0.029 [72] 1.33 ± 0.07 [72] 3.51 – 3.56 [3] 3.77 [118]

List of nearest G-type stars

This is a list of G-type stars within 40 light years.

The Sun is the closest G-type star to the Earth.
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 -26.74 [119] 4.83 [119] 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 [75] 0.793 ± 0.004 [120] 0.783 ± 0.012 [120] 3.5 [120] 5.68 [120] Also the 20nd nearest star system to the Solar System. Has one confirmed exoplanet.
Eta Cassiopeiae A (Achird) 19.42 [12] G0V [121] 1.0386 ± 0.0038 [122] 0.972 ± 0.012 [76] 3.44 [112] 4.57 [70] Part of a binary star system
82 G. Eridani 19.704±0.009 G6V [75] 0.92 [15] 0.7 [123] 4.254 5.34 [70] Has two confirmed exoplanets and one unconfirmed
Delta Pavonis 19.89 [5] G8 IV [55] 1.197 ± 0.016 [65] 1.051 ± 0.062 [124] 3.56 [125] 4.62 [70] The nearest undisputed subgiant.
Xi Boötis A 22.027 [126] G8Ve [126] 0.817 ± 0.007 [89] 0.88 ± 0.03 [89] 4.7 [126] 5.54 [127] Part of a binary star system
Beta Hydri 24.33 [12] G2 IV [128] 1.809 ± 0.015 [129] 1.08 ± 0.03 [128] 2.8 [112] 3.45 [130]
Mu Cassiopeiae Aa (Marfak) 25.03±0.08 G5Vb [75] 0.789 ± 0.008 [131] 0.744 ± 0.0122 [131] 5.14 [132] 5.78 [133] Part of a binary star system
Mu Herculis Aa 27.11±0.04 G5IV [134] 1.73 ± 0.02 [135] 1.11 ± 0.01 [135] 3.417 [12] 3.82 [135] Part of a quadruple star system
Chara 27.63±0.04 [5] G0V [136] 1.123 ± 0.028 [76] 0.97 ± 0.04 [136] 4.25 [136] 4.64 [70]
61 Virginis 27.84±0.03 G7V [109] 0.9867 ± 0.0048 [137] 0.93 [137] 4.74 5.07 [70] Has three confirmed exoplanets
Chi1 Orionis A 28.26±0.07 G0V [75] 0.979 ± 0.009 [76] 1.01 [138] 4.38 – 4.41 [139] 4.82 [127]
41 G. Arae A 28.67±0.02 G8V [140] 0.79 [50] 0.81 [50] 5.61 5.74 [70] Part of a binary star system
Xi Ursae Majoris Ba 29 G2V [75] 0.92 ± 0.04 [141] 0.86 [141] 4.264 [142] 4.66 [a] Part of a quadruple star system
Groombridge 1830 (Argelander's Star) 29.93 [96] G8VIp [143] 0.681 ± 0.006 [76] 0.661 [50] 6.44 [69] 6.64 [70]
Beta Comae Berenices 29.95±0.1 G0V [144] 1.106 ± 0.011 [76] 1.15 [50] 4.26 [112] 4.46 [70]
HD 102365 A 30.4±0.02 G2V [55] 0.96 [50] 0.889 [50] 4.88 [83] 5.07 [70] Part of a binary star system
61 Ursae Majoris 31.24±0.04 [96] G8V [145] 0.86 ± 0.02 [146] 0.93 ± 0.02 [147] 5.35 [148] 5.53 [127]
Alpha Mensae A 33.31±0.02 G7V [55] 0.96 ± 0.013 [149] 0.964 ± 0.037 [149] 5.09 5.03 [70] Part of a binary star system
Iota Persei 34.38±0.08 [12] G0V [75] or F9.5V [55] 1.412 ± 0.009 [76] 1.35 ± 0.08 [150] 4.062 [151] 3.94 [70]
Zeta Herculis A 35±0.2 [12] G7V [134] 0.915 – 0.92 [152] 0.98 ± 0.02 [152] 2.81 (combined) [112] 2.65 (combined) [118] Part of a binary star system
Delta Trianguli A 35.2±0.1 G0V [153] 0.98 [93] 1 [154] 4.865 [70] 4.69 [70] Part of a binary star system
11 Leonis Minoris A 36.54±0.08 G8V [155] 1.0029 ± 0.0158 [122] 0.964 [122] 5.54 [156] 5.25 [127] Part of a binary star system
Eta Boötis A (Muphrid) 37.2±0.5 [12] G0IV [157] 2.672 ± 0.028 [158] 1.71 ± 0.05 [158] 2.68 [70] 2.41 [107] Part of a binary star system
Lambda Serpentis 38.87±0.07 [5] G0V [159] 1.06 ± 0.152 [90] 1.14 [150] 4.43 [160] 4.01 [70]
Zeta Reticuli A 39.27±0.03 G3-5V [161] 0.92 [50] 0.958 [50] 5.52 [83] 5.11 [70]
B 39.29±0.09 G2V [161] 0.99 [50] 0.985 [50] 5.22 [83] 4.83 [70]
85 Pegasi A 39.5±0.4 [162] G5Vb 0.91 0.88 5.75 5.32 [70] Part of a binary star system

List of nearest F-type stars

This is a list of F-type stars within 45 light years.

Procyon A is the closest F-type star to the Earth.
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 [143] 1.323 ± 0.004 [76] 1.236 [50] 3.16 [143] 3.65 [70]
Chi Draconis A 27.17±0.03 [12] F7V [28] 1.2 ± 0.09 [28] 1.029 ± 0.06 [28] 3.57 [107] 4.04 [107] Part of a binary system
Zeta Tucanae 28.01±0.04 [12] F9.5V [55] 1.08 ± 0.08 [82] 0.99 ± 0.02 [113] 4.23 4.67 [127]
Xi Ursae Majoris A (Alula Australis) 28.5±0.1 [5] F8.5:V [75] 1.02 ± 0.04 [101] 0.97 [101] 4.264 [142] 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 [70]
Gamma Pavonis 30.21±0.05 [12] F9 V Fe-1.4 CH-0.7 [55] 1.15 ± 0.04 [72] 1.21 ± 0.12 [72] 4.22 [168] 4.40 [70]
Zeta Herculis A 35±0.2 [12] F9IV [134] 2.56 – 2.61 [169] 1.45 ± 0.1 [169] 2.81 [112] 2.65 [170]
Beta Virginis (Zavijava) 35.65±0.09 [12] F9V [171] 1.681 ± 0.008 [76] 1.413 ± 0.061 [172] 3.604 [173] 3.41 [70]
Theta Persei A 36.29±0.09 [12] F8V [174] 1.319 ± 0.011 [76] 1.138 ± 0.01 [76] 4.11 [90] 3.88 [70]
Gamma Serpentis 36.7±0.07 [12] F6V [175] 1.55 ± 0.05 [72] 1.3 ± 0.15 [72] 3.85 [175] 3.60 [70]
Zeta Doradus A 37.91±0.07 [12] F7V 1.07+0.02
−0.07 [176] 		1.07 [177] 4.8191 [12] 4.38 [178]
Gamma Virginis (Porrima) A 38.1±0.3 [12] F0V [179] 1.56 [180] 3.4 [180] 3 [180]
B 1.5 [180] 3.5 [180] 3.1 [180]
Iota Pegasi A 38.5±0.2 [12] F5V 1.526 ± 0.068 1.33 3.84 3.49
Zeta Trianguli Australis A 39.5±0.2 [12] F9V [55] 1.12 [181] 4.90 [98] 4.49 [70] Part of a binary star system
Beta Trianguli Australis 40.37±0.08 [12] F1V [55] 1.976 ± 0.021 [65] 1.56 [182] 2.85 [183] 2.37 [111]
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 1.48 ± 0.087 1.27 ± 0.06 4.10 3.44

List of nearest A-type stars

This is a list of A-type stars within 60 light years.

Sirius A is the closest A-type star to the Earth.
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 [109] 1.711 [184] 2.063 ± 0.023 [185] -1.46 [186] 1.43 [187] Also the sixth-nearest stellar system to the Solar System and the brightest star in the night sky.
Altair 16.7 [188] A7Vn [109] 2.01 – 1.57 [189] 1.86 ± 0.03 [189] 0.76 [53] 2.22 [190] 12th brightest star in the night sky.
Vega 25.04±0.07 A0Va [109] 2.818 – 2.362 [191] 2.135 ± 0.074 [191] 0.026 [192] 0.582 [193] Fifth-brightest star in the night sky.
Fomalhaut A 25.13±0.09 [194] A3V [24] 1.842 ± 0.019 [100] 1.92 ± 0.02 [100] 1.16 [53] 1.72 [100] 18th brightest star in the night sky. Part of a triple star system.
Denebola 35.9±0.2 [12] A3Va [109] 1.728 [195] 1.78 [195] 2.14 [196] 1.93 [111]
Delta Capricorni (Deneb Algedi) 38.7±0.09 A7m III [197] 1.91 [198] 2 [198] 2.81 [197] 2.48 [111] Part of a binary star system
Iota Ursae Majoris A (Talitha) 47.3±0.1 A7V(n) [199] 1.7 ± 0.1 3.14 [112] 2.31 [111] Part of a quadruple star system
Alpha Ophiuchi A (Rasalhague) 48.6±0.8 A5IVnn [200] 2.6 [175] 2.4+0.23
−0.37 [201] 		2.07 [112] 1.248 [202] Part of a binary star system.
Alderamin 49.05±0.08 A8Vn [109] or A7IV-V [203] 2.823 × 2.175 [203] 2 ± 0.15 [203] 2.5141 [12] 1.57 [204]
Castor Aa 51±3 A1V [205] 2.089 [206] 2.37 [206] 1.93 [74] 0.986 [207] Part of a sextuple star system.
Ba Am [205] 1.648 [206] 1.79 [206] 2.97 [74] 1.886 [207]
Delta Leonis (Zosma) 58.4±0.3 [12] A4V [208] 2.14 ± 0.04 [209] 2.2 [210] 2.56 [211] 1.29 [111]
Iota Centauri 58.6 [12] A2V [55] 2.5 [212] 2.73 [112] 1.47 [111]
Beta Arietis A (Sheratan) 59.6±0.8 A5V [213] 2.34 ± 0.1 [214] 2.655 [167] 1.59 [187] Part of a binary star system

List of nearest B-type stars

This is a list of B-type stars within 200 light years.

Regulus A is the closest B-type star to the Earth.
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 [90] 4.35 ± 0.1 [215] 3.8 [175] 1.40 [90] -0.57 [111] Part of a binary star system. Also the 20th brightest star in the night sky.
Algol Aa1 90±3 [12] B8V [216] 2.73 ± 0.2 [217] 3.17 ± 0.21 [217] 2.12 (combined) [53] -0.07 [218]
Alpheratz A 97±1 B8IV-VHgMn [219] 2.7 ± 0.4 [220] 3.8 ± 0.2 [220] 2.22 -0.19 [221] Part of a binary star system
Alnair 101±0.7 B6V [55] or B7IV [156] 3.4 [222] 4 [175] 1.74 [223] -0.72 [111] 31st brightest star in the night sky.
Alkaid 103.9±0.8 [12] B3V [171] 3.4 [215] 6.1 ± 0.1 [224] 1.86 [53] -0.67 [111] 40th brightest star in the night sky.
Alpha Pegasi (Markab) 133±1 B9V, [225] B9.5III [226] or A0IV [227] 4.62 ± 0.29 [228] 3.5 [229] 2.48 [112] -0.718 [230]
Beta Tauri (Elnath) 134±2 B7III [231] 4.2 [232] 5 ± 0.1 [233] 1.65 [53] -1.42 [111] 27th brightest star in the night sky.
Achernar 139±3 [12] B3Vpe [234] 9.16 – 6.78 [235] 6 [236] 0.40 – 0.46 [237] -2.7 [238] 9th brightest star in the night sky.
Beta1 Tucanae 140±1 B9V [239] 3.84 [95] 4.37 [105] Part of a six-star system
Epsilon Sagittarii A (Kaus Australis) 143±2 [12] B9.5III [240] 6.8 [241] 3.515 ± 0.038 [242] 1.85 [112] -1.41 [242] 38th brightest star in the night sky.
Epsilon Hydri 151.8±0.6 [12] B9Va [111] 2.2 [243] 2.64 [244] 4.12 [111] 0.78 [111]
Gamma Corvi A (Gienah) 154±1 [12] B8III [245] 4.2+0.4
−0.3 [233] 		2.585 [58] -0.79 [111]
Beta Canis Minoris (Gomeisa) 160±10 B8Ve [246] 3.5 [247] 3.5 [246] 2.84 – 2.92 [237] -0.59 [111]
Kappa Andromedae 168±2 B9IVn [208] 2.29 ± 0.06 [248] 2.768+1
−1.09 [249] 		4.139 [250] 0.59 [111] Has one confirmed exoplanet or brown dwarf
Alpha Pavonis A (Peacock) 179±5 [12] B3V [251] 4.83 [252] 5.91 [182] 1.94 [183] -1.762 [253] 44th brightest star in the night sky.
Kappa1 Lupi 180±5 [12] B9.5Vne [254] 2.3 [93] 2.89 ± 0.03 [244] 3.86
Alpha Sagittarii (Rukbat) 182±2 B8V [255] 2.35 [c] 2.95 [182] 3.97 [112] 0.23 [111]
Beta Librae (Zubeneschamali) 185±2 B8V [233] 4.9 ± 0.3 [d] 3.5+0.3
−0.2 [233] 		2.61 [211] -1.16

List of nearest O-type stars

This is a list of O-type stars within 1,500 light years.

Zeta Ophiuchi is the closest O-type star to the Earth.
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 [257] 8.5 [258] 20.2 [259] 2.56 – 2.58 [3] -4.2 [260]
Zeta Puppis (Naos) 1080±40 O4If(n)p [261] 14 – 26 [262] 56.1 [263] 2.24 – 2.26 [264] -6.23 [263] One of the most massive stars visible to the naked eye.
Mintaka 1200 [265] O9.5II [265] 16.5 [265] 24 [265] 2.5 [266] -5.8 [267] Part of a multiple star system
Gamma Velorum A 1236±13 [268] O7.5III [269] 17 ± 2 [270] 28.5 ± 1.1 [270] 1.83 (combined) [53] -5.63 [270] 30th brightest star in the night sky.
Alnitak 1260±180 [271] O9.5lab [271] 20 ± 3.2 [271] 33 ± 10 [271] 2.08 [271] -6 [271] Part of a triple star system
Sigma Orionis Aa 1263±4.3 [272] O9.5V [273] 5.6 [272] 16 [272] 4.07 (combined) [274] -3.49 [275] Part of a quintuple star system
Meissa A ~1300 [276] O8III((f)) [261] 13.4 [277] 27.9 ± 3.3 [224] 3.7 [278] -4.25 Part of a multiple star system
Mu Columbae ~1300 O9.5V [279] 6.58 [280] 16 [280] 5.18 [53] -3.64 [280]
AE Aurigae 1320±40 O9.5V [261] 7.47 [281] 23 [281] 5.96 [53] (5.78 – 6.08) [237]
Theta1 Orionis C1 1340±65 [282] O7Vp [283] 10.6 ± 1.5 [284] 33 ± 5 [285] 5.13 [53] -4.9 [284] Part of a binary star system
Iota Orionis Aa1 (Haytsa) 1343+45.6
−42.3 [286] 		O9III [287] 8.3 [288] 23.1 [288] 2.77 (combined) [183] Part of a multiple star system

Notes

  1. ^ Calculated from the bolometric magnitude 4.54 ± 0.06 and the bolometric correction −0.12 ± 0.05 using the formula: BC = Mbol − MV
  2. ^ Calculated from the bolometric magnitude 4.54 ± 0.06 and the bolometric correction −0.12 ± 0.05 using the formula: BC = Mbol − MV
  3. ^ Radius calculated using a effective temperature of 12 387 K and a luminosity of 117 L☉. [182]
  4. ^ Calculated using an angular diameter of 0.801 Milliarcseconds. [256]


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