At magnitude 2.2, Alpha Cassiopeiae, or Schedar, is generally the brightest star in Cassiopeia, though it is occasionally outshone by the variable Gamma Cassiopeiae, which has reached magnitude 1.6. , but this has never been confirmed. The main stars of Cassiopeia make its tail, Andromeda and Triangulum form its body, and Aries makes its head. Zeta Cassiopeiae (Fulu) is a suspected slowly pulsating B-type star. It has around 450 times the Sun's diameter and 17 times its mass, having begun life 45 times as massive as the Sun.  With a luminosity of around 771 times that of the Sun, it has swollen and cooled after exhausting its core hydrogen over its 100 to 200 million-year lifespan, spending much of it as a blue-white B-type main-sequence star. Cassiopeia (pronunciation) is a constellation in the northern sky, named after the vain queen Cassiopeia in Greek mythology, who boasted about her unrivaled beauty.Cassiopeia was one of the 48 constellations listed by the 2nd-century Greek … The cluster was discovered in 1787 by William Herschel. She is most famous in connection with the myth of her daughter, Andromeda. , The constellation Cassiopeia, near to the pole star, can be seen from latitudes north of 35°N during the whole year. If the Earth's Sun could be observed from α Centauri, the closest star to the Solar System, it would be visible in Cassiopeia as a yellow-white 0.5 magnitude star, far brighter than any of the other stars of the constellation. [c] High in the northern sky, it is circumpolar (that is, it never sets in the night sky) to viewers in the British Isles, Canada and the northern United States. Alpha Cassiopeiae, traditionally called Schedar (from the Arabic Al Sadr, "the breast"), is a four-star system. Kappa, Eta, and Mu Cassiopeiae formed a constellation called the Bridge of the Kings; when seen along with Alpha and Beta Cassiopeiae, they formed the great chariot Wang-Liang. The dimensions of the bow shock are vast: around 12 light-years long and 1.8 light-years wide. She was arrogant and vain, characteristics that led to her downfall. Cassiopeia was an Eithiopian queen who boasted of her beauty saying she was more beautiful than Aphrodite herself. Other accounts also claim she was the mother, by Phoenix, of Phineus and Carme, although the latter is more often said to be a daughter of Eubuleus, a Cretan. It is said that Cassiopeia has a ridiculous upside-down position to punish her for having been pretentious. In the (sub)tropics it can be seen at its clearest from September to early November, and at low southern, tropical, latitudes of less than 25°S it can be seen, seasonally, low in the North. Some sources describe Cassiopeia as the daughter of Coronus and Zeuxo but Nonnus calls her a nymph. Cassiopeia The Queen. Perseus arrived (wearing Hades' Helm of Invisibility, Hermes' winged sandals and the sword Hephaestus had made for him) he flew over and being invisible got close enough to slay the monster and break the chains binding Princess Andromeda. , Beta Cassiopeiae, or Caph (meaning "hand"), is a white-hued star of magnitude 2.3, 54.7 ± 0.3 light-years from Earth.  Around 1.2 billion years old, it has used up its core hydrogen and begun expanding and cooling off the main sequence. Kappa Cassiopeiae is a blue supergiant of spectral type BC0.7Ia that is some 302,000 times as luminous as the Sun and has 33 times its diameter. Psi Cassiopeiae is a triple star 193 light-years from Earth. Cassiopeia was the wife of King Cepheus of Aethiopia and mother of Princess Andromeda.
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