<Li> A select number of stars, thought to be uniformly fixed in brightness, are used as standard stars . These standard stars have carefully determined magnitudes that have been analysed over many years, and are often used to determine other star's magnitudes or their stellar parameters using comparatively consistent scales . </Li> <P> The source of magnitudes cited in this list is the linked Wikipedia articles--this basic list is simply a catalog of what Wikipedia itself documents . References can be found in the individual articles . </P> <Table> <Tr> <Th> V Mag . (m) </Th> <Th> Proper name </Th> <Th> Bayer designation </Th> <Th> Distance (ly) </Th> <Th> Spectral class </Th> </Tr> <Tr> <Td> 0.000 2998732600000000000 ♠ − 26.74 </Td> <Td> Sun </Td> <Td> </Td> <Td> 0.000 015 813 </Td> <Td> G2 V </Td> </Tr> <Tr> <Td> 0.001 2999853999999999999 ♠ − 1.46 </Td> <Td> Sirius </Td> <Td> α CMa </Td> <Td> 000 8.6 </Td> <Td> A1 V, DA2 </Td> </Tr> <Tr> <Td> 0.003 3000280000000000000 ♠ − 0.74 </Td> <Td> Canopus </Td> <Td> α Car </Td> <Td> 0310 </Td> <Td> A9 II </Td> </Tr> <Tr> <Td> 0.004 3000730000000000000 ♠ − 0.27 (0.01 + 1.33) </Td> <Td> Rigil Kentaurus </Td> <Td> α Cen </Td> <Td> 000 4.4 </Td> <Td> G2 V, K1 V </Td> </Tr> <Tr> <Td> 0.005 3001500000000000000 ♠ − 0.05 </Td> <Td> Arcturus </Td> <Td> α Boo </Td> <Td> 00 37 </Td> <Td> K0 III </Td> </Tr> <Tr> <Td> 6998300000000000000 ♠ 0.03 (− 0.02 - 0.07var) </Td> <Td> Vega </Td> <Td> α Lyr </Td> <Td> 00 25 </Td> <Td> A0 Va </Td> </Tr> <Tr> <Td> 6998800000000000000 ♠ 0.08 (0.03 - 0.16var) </Td> <Td> Capella </Td> <Td> α Aur </Td> <Td> 00 42 </Td> <Td> K0 III, G1 III </Td> </Tr> <Tr> <Td> 6999130000000000000 ♠ 0.13 (0.05 - 0.18var) </Td> <Td> Rigel </Td> <Td> β Ori </Td> <Td> 0860 </Td> <Td> B8 Ia </Td> </Tr> <Tr> <Td> 6999340000000000000 ♠ 0.34 </Td> <Td> Procyon </Td> <Td> α CMi </Td> <Td> 00 11 </Td> <Td> F5 IV - V </Td> </Tr> <Tr> <Td> 6999460000000000000 ♠ 0.46 (0.40 - 0.46var) </Td> <Td> Achernar </Td> <Td> α Eri </Td> <Td> 0140 </Td> <Td> B6 Vep </Td> </Tr> <Tr> <Td> 6999500000000000000 ♠ 0.50 (0.2 - 1.2var) </Td> <Td> Betelgeuse </Td> <Td> α Ori </Td> <Td> 0640 </Td> <Td> M2 Iab </Td> </Tr> <Tr> <Td> 6999610000000000000 ♠ 0.61 </Td> <Td> Hadar </Td> <Td> β Cen </Td> <Td> 0350 </Td> <Td> B1 III </Td> </Tr> <Tr> <Td> 6999760000000000000 ♠ 0.76 </Td> <Td> Altair </Td> <Td> α Aql </Td> <Td> 00 17 </Td> <Td> A7 V </Td> </Tr> <Tr> <Td> 6999760000000000000 ♠ 0.76 (1.33 + 1.73) </Td> <Td> Acrux </Td> <Td> α Cru </Td> <Td> 0320 </Td> <Td> B0. 5 IV, B1 V </Td> </Tr> <Tr> <Td> 6999860000000000000 ♠ 0.86 (0.75 - 0.95var) </Td> <Td> Aldebaran </Td> <Td> α Tau </Td> <Td> 00 65 </Td> <Td> K5 III </Td> </Tr> <Tr> <Td> 6999960000000000000 ♠ 0.96 (0.6 - 1.6var) </Td> <Td> Antares </Td> <Td> α Sco </Td> <Td> 0600 </Td> <Td> M1. 5 Iab, B3 V </Td> </Tr> <Tr> <Td> 6999970000000000000 ♠ 0.97 (0.97 - 1.04var) </Td> <Td> Spica </Td> <Td> α Vir </Td> <Td> 0260 </Td> <Td> B1 III - IV, B2 V </Td> </Tr> <Tr> <Td> 7000113990000099999 ♠ 1.14 </Td> <Td> Pollux </Td> <Td> β Gem </Td> <Td> 00 34 </Td> <Td> K0 III </Td> </Tr> <Tr> <Td> 7000116000000099999 ♠ 1.16 </Td> <Td> Fomalhaut </Td> <Td> α PsA </Td> <Td> 00 25 </Td> <Td> A3 V </Td> </Tr> <Tr> <Td> 7000125000000000000 ♠ 1.25 (1.21 - 1.29var) </Td> <Td> Deneb </Td> <Td> α Cyg </Td> <Td> 2,600 </Td> <Td> A2 Ia </Td> </Tr> <Tr> <Td> 7000125000000000000 ♠ 1.25 (1.23 - 1.31var) </Td> <Td> Mimosa </Td> <Td> β Cru </Td> <Td> 0350 </Td> <Td> B0. 5 II, B2 V </Td> </Tr> <Tr> <Td> 7000138990000099999 ♠ 1.39 </Td> <Td> Regulus </Td> <Td> α Leo </Td> <Td> 00 77 </Td> <Td> B7 V </Td> </Tr> <Tr> <Td> 7000150000000000000 ♠ 1.50 </Td> <Td> Adhara </Td> <Td> ε CMa </Td> <Td> 0430 </Td> <Td> B2 Iab: </Td> </Tr> <Tr> <Td> 7000162000000000000 ♠ 1.62 </Td> <Td> Shaula </Td> <Td> λ Sco </Td> <Td> 0700 </Td> <Td> B2 IV </Td> </Tr> <Tr> <Td> 7000162000000000000 ♠ 1.62 (1.98 + 2.97) </Td> <Td> Castor </Td> <Td> α Gem </Td> <Td> 00 52 </Td> <Td> Am, A1 V </Td> </Tr> <Tr> <Td> 7000164000000000000 ♠ 1.64 </Td> <Td> Gacrux </Td> <Td> γ Cru </Td> <Td> 00 88 </Td> <Td> M3. 5 III </Td> </Tr> <Tr> <Td> 7000164000000000000 ♠ 1.64 </Td> <Td> Bellatrix </Td> <Td> γ Ori </Td> <Td> 0240 </Td> <Td> B2 III </Td> </Tr> <Tr> <Td> 7000165000000000000 ♠ 1.65 </Td> <Td> Elnath </Td> <Td> β Tau </Td> <Td> 0130 </Td> <Td> B7 III </Td> </Tr> <Tr> <Td> 7000169000000000000 ♠ 1.69 </Td> <Td> Miaplacidus </Td> <Td> β Car </Td> <Td> 0110 </Td> <Td> A1 III </Td> </Tr> <Tr> <Td> 7000169000000000000 ♠ 1.69 (1.64 - 1.74var) </Td> <Td> Alnilam </Td> <Td> ε Ori </Td> <Td> 2,000 </Td> <Td> B0 Ia </Td> </Tr> <Tr> <Td> 7000172000000000000 ♠ 1.72 (1.81 - 1.87var + 4.27) </Td> <Td>--</Td> <Td> γ Vel </Td> <Td> 0840 </Td> <Td> WC8, O7. 5e </Td> </Tr> <Tr> <Td> 7000174000000000000 ♠ 1.74 </Td> <Td> Alnair </Td> <Td> α Gru </Td> <Td> 0100 </Td> <Td> B7 IV </Td> </Tr> <Tr> <Td> 7000177000000000000 ♠ 1.77 </Td> <Td> Alioth </Td> <Td> ε UMa </Td> <Td> 00 81 </Td> <Td> A1 III - IVp kB9 </Td> </Tr> <Tr> <Td> 7000177000000000000 ♠ 1.77 </Td> <Td> Alnitak </Td> <Td> ζ Ori A </Td> <Td> 0820 </Td> <Td> O9. 7 Ib, O9 III, B0 II - IV </Td> </Tr> <Tr> <Td> 7000179000000000000 ♠ 1.79 </Td> <Td> Dubhe </Td> <Td> α UMa </Td> <Td> 0120 </Td> <Td> G9 III, A7. 5 </Td> </Tr> <Tr> <Td> 7000180000000000000 ♠ 1.80 </Td> <Td> Mirfak </Td> <Td> α Per </Td> <Td> 0590 </Td> <Td> F5 Ib </Td> </Tr> <Tr> <Td> 7000182000000000000 ♠ 1.82 </Td> <Td> Wezen </Td> <Td> δ CMa </Td> <Td> 1,800 </Td> <Td> F8 Ia </Td> </Tr> <Tr> <Td> 7000184000000000000 ♠ 1.84 </Td> <Td> Sargas </Td> <Td> θ Sco </Td> <Td> 0270 </Td> <Td> F0 II </Td> </Tr> <Tr> <Td> 7000185000000000000 ♠ 1.85 </Td> <Td> Kaus Australis </Td> <Td> ε Sgr </Td> <Td> 0140 </Td> <Td> B9. 5 III </Td> </Tr> <Tr> <Td> 7000186000000000000 ♠ 1.86 </Td> <Td> Avior </Td> <Td> ε Car </Td> <Td> 0630 </Td> <Td> K3 III, B2 Vp </Td> </Tr> <Tr> <Td> 7000186000000000000 ♠ 1.86 </Td> <Td> Alkaid </Td> <Td> η UMa </Td> <Td> 0100 </Td> <Td> B3 V </Td> </Tr> <Tr> <Td> 7000190000000000000 ♠ 1.90 (1.89 - 1.94var) </Td> <Td> Menkalinan </Td> <Td> β Aur </Td> <Td> 0100 </Td> <Td> A1mIV + A1mIV </Td> </Tr> <Tr> <Td> 7000191000000000000 ♠ 1.91 </Td> <Td> Atria </Td> <Td> α TrA </Td> <Td> 0420 </Td> <Td> K2 IIb - IIIa </Td> </Tr> <Tr> <Td> 7000192000000000000 ♠ 1.92 </Td> <Td> Alhena </Td> <Td> γ Gem </Td> <Td> 0100 </Td> <Td> A1. 5 IV+ </Td> </Tr> <Tr> <Td> 7000194000000000000 ♠ 1.94 </Td> <Td> Peacock </Td> <Td> α Pav </Td> <Td> 0180 </Td> <Td> B2 IV </Td> </Tr> <Tr> <Td> 7000196000000000000 ♠ 1.96 (1.99 - 2.39var + 5.57) </Td> <Td>--</Td> <Td> δ Vel </Td> <Td> 00 80 </Td> <Td> A1 Va (n), F2 - F5 </Td> </Tr> <Tr> <Td> 7000198000000000000 ♠ 1.98 </Td> <Td> Mirzam </Td> <Td> β CMa </Td> <Td> 0500 </Td> <Td> B1 II - III </Td> </Tr> <Tr> <Td> 7000200000000000000 ♠ 2.00 </Td> <Td> Alphard </Td> <Td> α Hya </Td> <Td> 0180 </Td> <Td> K3 II - III </Td> </Tr> <Tr> <Td> 7000198000000000000 ♠ 1.98 (1.86 - 2.13var) </Td> <Td> Polaris </Td> <Td> α UMi </Td> <Td> 0430 </Td> <Td> F8 Ib </Td> </Tr> <Tr> <Td> 7000200000000000000 ♠ 2.00 </Td> <Td> Hamal </Td> <Td> α Ari </Td> <Td> 00 66 </Td> <Td> K1 IIIb </Td> </Tr> <Tr> <Td> 7000200999999999999 ♠ 2.08 (2.37 + 3.64) </Td> <Td> Algieba </Td> <Td> γ Leo </Td> <Td> 0130 </Td> <Td> K0 III, G7 IIIb </Td> </Tr> <Tr> <Td> 7000202000000000000 ♠ 2.02 </Td> <Td> Diphda </Td> <Td> β Cet </Td> <Td> 00 96 </Td> <Td> K0 III </Td> </Tr> <Tr> <Td> 7000205009999999999 ♠ 2.05 </Td> <Td> Nunki </Td> <Td> σ Sgr </Td> <Td> 0220 </Td> <Td> B2. 5 V </Td> </Tr> <Tr> <Td> 7000206000000000000 ♠ 2.06 </Td> <Td> Menkent </Td> <Td> θ Cen </Td> <Td> 00 61 </Td> <Td> K0 III </Td> </Tr> <Tr> <Td> 7000205009999999999 ♠ 2.05 (2.01 - 2.10var) </Td> <Td> Mirach </Td> <Td> β And </Td> <Td> 0200 </Td> <Td> M0III </Td> </Tr> <Tr> <Td> 7000206000000000000 ♠ 2.06 </Td> <Td> Alpheratz </Td> <Td> α And </Td> <Td> 00 97 </Td> <Td> B8 IV </Td> </Tr> <Tr> <Td> 7000207009999999999 ♠ 2.07 </Td> <Td> Rasalhague </Td> <Td> α Oph </Td> <Td> 00 47 </Td> <Td> A5 V </Td> </Tr> <Tr> <Td> 7000208000000000000 ♠ 2.08 </Td> <Td> Kochab </Td> <Td> β UMi </Td> <Td> 0130 </Td> <Td> K4 III </Td> </Tr> <Tr> <Td> 7000209009999900000 ♠ 2.09 </Td> <Td> Saiph </Td> <Td> κ Ori </Td> <Td> 0720 </Td> <Td> B0 Iab: </Td> </Tr> <Tr> <Td> 7000211009999900000 ♠ 2.11 </Td> <Td> Denebola </Td> <Td> β Leo </Td> <Td> 00 36 </Td> <Td> A3 Va </Td> </Tr> <Tr> <Td> 7000212000000000000 ♠ 2.12 (2.1 - 3.39var) </Td> <Td> Algol </Td> <Td> β Per </Td> <Td> 00 93 </Td> <Td> B8 V </Td> </Tr> <Tr> <Td> 7000215000000000000 ♠ 2.15 (2.0 - 2.3var) </Td> <Td>--</Td> <Td> β Gru </Td> <Td> 0170 </Td> <Td> M5 III </Td> </Tr> <Tr> <Td> 7000217000000000000 ♠ 2.17 </Td> <Td>--</Td> <Td> γ Cen </Td> <Td> 0130 </Td> <Td> A1IV, (A0III / A0III) </Td> </Tr> <Tr> <Td> 7000221000000000000 ♠ 2.21 </Td> <Td> Aspidiske </Td> <Td> ι Car </Td> <Td> 0690 </Td> <Td> A9 Ib </Td> </Tr> <Tr> <Td> 7000221000000000000 ♠ 2.21 (2.14 - 2.30var) </Td> <Td> Suhail </Td> <Td> λ Vel </Td> <Td> 0570 </Td> <Td> K4. 5 Ib - II </Td> </Tr> <Tr> <Td> 7000223000000000000 ♠ 2.23 (2.21 - 2.32var) </Td> <Td> Alphecca </Td> <Td> α CrB </Td> <Td> 00 75 </Td> <Td> A0 V, G5 V </Td> </Tr> <Tr> <Td> 7000223000000000000 ♠ 2.23 (2.23 - 2.35var) </Td> <Td> Mintaka </Td> <Td> δ Ori </Td> <Td> 0900 </Td> <Td> B0 III, O9 V </Td> </Tr> <Tr> <Td> 7000223000000000000 ♠ 2.23 </Td> <Td> Sadr </Td> <Td> γ Cyg </Td> <Td> 1,500 </Td> <Td> F8 Ib </Td> </Tr> <Tr> <Td> 7000223000000000000 ♠ 2.23 </Td> <Td> Eltanin </Td> <Td> γ Dra </Td> <Td> 0150 </Td> <Td> K5 III </Td> </Tr> <Tr> <Td> 7000224000000000000 ♠ 2.24 </Td> <Td> Schedar </Td> <Td> α Cas </Td> <Td> 0230 </Td> <Td> K0 IIIa </Td> </Tr> <Tr> <Td> 7000225000000000000 ♠ 2.25 </Td> <Td> Naos </Td> <Td> ζ Pup </Td> <Td> 1,100 </Td> <Td> O4 If (n) p </Td> </Tr> <Tr> <Td> 7000225990000099999 ♠ 2.26 </Td> <Td> Almach </Td> <Td> γ And </Td> <Td> 0350 </Td> <Td> K3 IIb, B9. 5 V, B9. 5 V, A0 V </Td> </Tr> <Tr> <Td> 7000227000000000000 ♠ 2.27 </Td> <Td> Mizar </Td> <Td> ζ UMa </Td> <Td> 00 78 </Td> <Td> A2 Vp, A2 Vp, A1m, A5 V </Td> </Tr> <Tr> <Td> 7000227990000099999 ♠ 2.28 (2.25 - 2.31var) </Td> <Td> Caph </Td> <Td> β Cas </Td> <Td> 00 54 </Td> <Td> F2 III </Td> </Tr> <Tr> <Td> 7000229000000000000 ♠ 2.29 </Td> <Td> Izar </Td> <Td> ε Boo </Td> <Td> 0202 </Td> <Td> K0 II - III, A2 V </Td> </Tr> <Tr> <Td> 7000230000000099999 ♠ 2.30 (2.29 - 2.34var) </Td> <Td>--</Td> <Td> α Lup </Td> <Td> 0550 </Td> <Td> B1. 5 III </Td> </Tr> <Tr> <Td> 7000230000000099999 ♠ 2.30 (2.29 - 2.31var) </Td> <Td>--</Td> <Td> ε Cen </Td> <Td> 0380 </Td> <Td> B1III </Td> </Tr> <Tr> <Td> 7000231000000000000 ♠ 2.31 (1.6 - 2.32var) </Td> <Td> Dschubba </Td> <Td> δ Sco </Td> <Td> 0400 </Td> <Td> B0. 3 IV </Td> </Tr> <Tr> <Td> 7000231000000000000 ♠ 2.31 </Td> <Td>--</Td> <Td> ε Sco </Td> <Td> 00 65 </Td> <Td> K1 III </Td> </Tr> <Tr> <Td> 7000235000000000000 ♠ 2.35 (2.30 - 2.41var) </Td> <Td>--</Td> <Td> η Cen </Td> <Td> 0310 </Td> <Td> B1. 5Vne </Td> </Tr> <Tr> <Td> 7000237000000000000 ♠ 2.37 </Td> <Td> Merak </Td> <Td> β UMa </Td> <Td> 00 79 </Td> <Td> A1 IVps </Td> </Tr> <Tr> <Td> 7000238000000000000 ♠ 2.38 </Td> <Td> Ankaa </Td> <Td> α Phe </Td> <Td> 00 77 </Td> <Td> K0. 5 IIIb </Td> </Tr> <Tr> <Td> 7000239000000000000 ♠ 2.39 </Td> <Td>--</Td> <Td> κ Sco </Td> <Td> 0460 </Td> <Td> B1. 5 III </Td> </Tr> <Tr> <Td> 7000240000000000000 ♠ 2.40 (0.7 - 3.0var) </Td> <Td> Enif </Td> <Td> ε Peg </Td> <Td> 0670 </Td> <Td> K2 Ib </Td> </Tr> <Tr> <Td> 7000242000000000000 ♠ 2.42 (2.31 - 2.74var) </Td> <Td> Scheat </Td> <Td> β Peg </Td> <Td> 0200 </Td> <Td> M2. 5 II - IIIe </Td> </Tr> <Tr> <Td> 7000243000000000000 ♠ 2.43 </Td> <Td> Sabik </Td> <Td> η Oph </Td> <Td> 00 49 </Td> <Td> A1 V, A3 V </Td> </Tr> <Tr> <Td> 7000244000000000000 ♠ 2.44 </Td> <Td> Phecda </Td> <Td> γ UMa </Td> <Td> 00 84 </Td> <Td> A0Ve </Td> </Tr> <Tr> <Td> 7000245000000000000 ♠ 2.45 </Td> <Td> Aludra </Td> <Td> η CMa </Td> <Td> 2,000 </Td> <Td> B5 Ia </Td> </Tr> <Tr> <Td> 7000246000000000000 ♠ 2.46 </Td> <Td>--</Td> <Td> κ Vel </Td> <Td> 0540 </Td> <Td> B2 IV </Td> </Tr> <Tr> <Td> 7000247000000000000 ♠ 2.47 (1.6 - 3.0var) </Td> <Td>--</Td> <Td> γ Cas </Td> <Td> 0610 </Td> <Td> B0. 5 IVpe </Td> </Tr> <Tr> <Td> 7000248000000000000 ♠ 2.48 </Td> <Td> Markab </Td> <Td> α Peg </Td> <Td> 0140 </Td> <Td> B9 III </Td> </Tr> <Tr> <Td> 7000248000000000000 ♠ 2.48 </Td> <Td>--</Td> <Td> ε Cyg </Td> <Td> 00 72 </Td> <Td> K0 III - IV </Td> </Tr> <Tr> <Td> 7000250000000000000 ♠ 2.50 </Td> <Td> Acrab </Td> <Td> β Sco </Td> <Td> 0404 </Td> <Td> B1V, B2V </Td> </Tr> </Table> <Tr> <Th> V Mag . (m) </Th> <Th> Proper name </Th> <Th> Bayer designation </Th> <Th> Distance (ly) </Th> <Th> Spectral class </Th> </Tr>

What is the brightest star in the solar system