Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. HD 181433 is a star located approximately 87 light-years away in the constellation of Pavo. According to SIMBAD, it has a stellar classification of K3III-IV, which puts it on the borderline between being a red giant and a subgiant this is inconsistent with its luminosity properties: it has a luminosity of only 0.308 times that of the Sun. Its entry in the Hipparcos catalogue lists a spectral type of K5V, classifying it as a dwarf star. As of 2008, three extrasolar planets are thought to be orbiting within the system.