Advanced physics

Consider the Gala colormagnitude diagram shown a. What is the ratio of luminosities between a white dwarf and a main-sequence 5153-1" both of the same Gala GpRp color? Include the color value you {311053' b. What is the implied ratio of the radii of those two stars? Surface 30 000 7000 5000 4000 3000 temperature [K] OB A F G K M Stellar type 10 000 1000 0 Giant branch 100 10 -1 5 Luminosity -sun] Gaia G absolute magnitude Main sequence 0.1 10 -0.01 White dwarfs -0.001 15 0 2 3 5 bluer Gaia BP-RP color redder