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Monday, March 26, 2018

Luminosity of nearby Stars

Star distance ly distance km Luminosity Sun =1 Luminosity W
Sun 149589000 1 3.86E+26 1372.70787
Proxima Centuri 4.22 4.00774E+13 8.20E-04 3.17E+23 1.5682E-11
Alpha Centuri 4.4 4.16977E+13 1.77 6.83E+26 3.127E-08
Bernard's star 5.94 5.63565E+13 0.55 2.12E+26 5.3193E-09
Sirius A 8.61 8.16351E+13 26.1 1.01E+28 1.203E-07
Epsilon Eridani 10.49 9.94846E+13 0.4 1.54E+26 1.2414E-09
Procyon A 11.4 1.15447E+14 7.73 2.98E+27 1.7815E-08
Tau Ceti 11.9 1.12919E+14 0.62 2.39E+26 1.4936E-09
Kapteyn's star 12.79 1.21332E+14 0.013 5.02E+24 2.7125E-11
L 725-32 12.12 1.15018E+14 1.70E-03 6.56E+23 3.9473E-12
61 Cygni A 11.36 1.07804E+14 0.16 6.18E+25 4.2289E-10
Wolf 359 7.8 7.40185E+13 3.50E-04 1.35E+23 1.9623E-12
Lalande 21185 8.32 7.89279E+13 0.023 8.88E+24 1.1341E-10