The radial velocity of V382 Carinae has long been known to be variable, but variations in its brightness were unclear.
[9] Analysis of Hipparcos photometry showed clear variation with a maximum range of 0.12 magnitudes and the star was treated as an α Cygni variable.
[8] Were it placed in the center of the Solar System, its surface would extend into the asteroid belt.
The large size means that V382 Car is over 200,000 times as luminous as the sun.
The low infrared excess suggest that V382 Carinae may be cooling towards a red supergiant phase, less common than yellow hypergiants evolving towards hotter temperatures.