RS Puppis

Fast Facts: Variable star, RS Puppis
Name RS Puppis
Description A Cepheid variable star shrouded by a nebula — thick, dark clouds of gas and dust. The star brightens and dims over a period of 41.4 days, changing between about 3,000 and 8,400 times the intrinsic brightness of our Sun. This star is one of the brightest known long-period Cepheids in the galaxy.
Location Found in the Puppis constellation, in the Southern Hemisphere
Distance
from Earth
6,500 light-years
Size About 10 times the mass of the Sun and about 200 times larger than the Sun.
RS Puppis
The bright star in this image, RS Puppis, is an example of a Cepheid variable. The star rhythmically brightens and dims over a six-week period.

RS Puppis