QZ Carinae
…components, including the widely-separated B and C, the very close Ab and Ad, and component E which they refer to as D. QZ Carinae A1 (or Aa1) is a blue supergiant of spectral type O9.7I with around 70 times the Sun's mass that has expanded to 22 times the Sun's radius. With a surface temperature of 30,463 K, it…