Star Classification

Luminosity (L): (How much power it gives off compared to our Sun) Example Name of Star Temperature Luminosity (L): (How much power it gives off compared to our Sun) Our Sun = 1(luminosity)

Spica 22,400 K 10000 L Pollux 4,865 K 1 L

Capella 5,873 K .8 L

Fomalhaut 8,773 K 1.0 L

Polaris (north star) 6,273 K 200 L

Antares 3,500 K 10000 L

Betelgeuse 3,200 K 20000 L

Regulus 15,400 K 100 L Algol 20,273 K 100 L

Altair 7,700 K 90 L Vega 9,620 K 100 L

Achemar 10,273 K 200 L Mizar 9,273 K 100 L

Monen v. 7,273 K .0001 L Procyon A 7,273 K .001 L

Sirius A 9,940 K 10 L Sirius B 25,200 K .001 L

Procyon B 7,740 K 10 L Eridani 5,273 K 1 L

Tsyceti 6,273 K 1 L Our Sun 5,778 K 1 L

Alpha Centauri A 6,273 K 1 L Alpha Centauri B 5273 K 1 L

Epsilon 5,273 K .1 L Barnaras star 3,273 K .001 L

Aldebaran 4,010 K 100 L

Mira 3,273 K 100 L