Astronotes Armagh Planetarium's Stellar Blog! ... Stars . ... Finding Sirius in the winter sky is easy. ... Sirius is a near neighbour of the Sun, just 8.6 light years (2.6 parsecs) away and is a bluish-white A class star about twice as massive as the Sun. ... This odd little star is Sirius B (sometimes Sirius т??properт?? is called Sirius A) or the Pup (since its bigger partner is the Dog Star) and is classed as a white dwarf. ... This is Procyon, the eighth brightest star in our sky. ...