HD 54475

HD 54475, also known as D Puppis, is a B-type star and a pulsating variable in the constellation of Puppis. It has an apparent magnitude of 5.783, which is enough to be visible to the unaided eye. The distance to D Puppis, based on a parallax of from the Gaia satellite, is 720 light-years.

Characteristics

This is a B-type main-sequence star with a spectral type of B3V. It has times the mass of the Sun and 3.4 times the Sun's radius. It radiates 2,609 times the solar luminosity from its outer atmosphere at a temperature of. Its age is estimated to be of about 15 million years.
HD 54475 has been classified as a slowly pulsating B-type star, but it has not been formally named as a variable star. The General Catalogue of Variable Stars lists it as a suspected variable with an amplitude of less than a tenth of a magnitude.