Some of the symptoms associated with Polycystic Ovarian Syndrome (PCOS) include:1. 1  Infertility: As one of the most emotionally devastating symptoms on the list, infertility can cause a woman to question her role in society.
Its companion, Sirius B, is a star that has already evolved off the main sequence and become a white dwarf. Currently 10,000 times less luminous in the visual spectrum, Sirius B was once the more massive of the two. The age of the system has been estimated at around 230 million years.
Sirius is a main sequence star but because it is hotter than the red main sequence Barnard's Star it is much more luminous than it. If you follow the pink band for hot stars down to the bottom of the H-R diagram you will notice that it intersects another group of stars that includes Procyon B. These are the white dwarfs.