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Andromeda
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Andromeda (constellation)




  Abbreviation And
  Genitive Andromedae
  Symbology Andromeda , the Chained Maiden
  RA 1
  Dec +40
  Areatotal 722
  Arearank 19th
  Numberstars 3
  Starname &alpha And (Alpheratz)
  Starmagnitude 21
  "http://wwwinformationdelightinfo/encyclopedia/entry/Andromedids" class="copylinks">Andromedids <br />(Bielids)
  "http://wwwinformationdelightinfo/encyclopedia/entry/Triangulum" class="copylinks">Triangulum
  Latmax 90
  Latmin 40
  Month November


Andromeda is a Constellation named for the princess Andromeda (which is Greek for '' Ruler over Men ''), a character in Greek Mythology . The constellation is in the northern sky near the constellation Pegasus . It is most notable for containing the Andromeda Galaxy . It is sometimes called "The Chained Maiden" in English.

Corresponding Chinese Constellation s in Andromeda are Flying Serpent (螣蛇), Celestial Stable (天廄), Wall (壁), Legs (奎), Southern Military Gate (南軍門) and Great General Of The Heaven (天大将軍).


NOTABLE FEATURES


The brightest Star in the constellation, is Alpheratz which marks her head, Bayer Designation Alpha Andromedae. Formerly considered common to Andromeda and Pegasus, as confirmed by its name, "navel of the horse", it was also designated δ Pegasi. With α, β, and γ Pegasi it forms an Asterism called the Great Square of Pegasus.

β Andromedae is called Mirach, the girdle. It is 88 Light Years distant and of magnitude 2.1.

γ Andromedae , or Almach, is found at the tip of the southern leg of the big "A". It is a beautiful Multiple Star with contrasting colours.

υ Andromedae has a Planetary System with three confirmed planets, 0.71 times, 2.11 times, and 4.61 times the mass of Jupiter .


NOTABLE DEEP SKY OBJECTS


The most famous Deep Sky Object in Andromeda is M31, the Andromeda Galaxy , one of the most distant objects visible to the naked eye ( M33 is slightly farther). It is an enormous spiral Galaxy much like Ours . To find the galaxy, draw a line between β and μ Andromedae, and extend the line approximately the same distance again from μ.


MYTHOLOGY


If fainter stars, visible to the naked eye, in the constellation are considered, then the constellation takes the form of a Stick-figure woman, with a prominent belt (as has the constellation Orion ), where one arm has something long attached to it, giving the appearance of a female warrior holding a sword. This, together with other stars in the Zodiac sign of Aries (part of Pisces , and the Pleiades ), may be the origin of the myth of the girdle of Hippolyte , which forms part of The Twelve Labours of Herakles .

However, by including still fainter stars, the attachment extends in a different direction, giving the appearance of a maiden held by a chain. {Link without Title} . Together with other constellations nearby ( Cassiopeia , Cepheus , Cetus , Pegasus , and Perseus ), this may be the source of the myth of the Boast Of Cassiopeia , with which it is usually identified.





GRAPHIC VISUALIZATION


The stars of the constellation Andromeda can be connected in an alternative way, which graphically shows a chained lady.

The lady's head is represented by the star Alpha Andromedae . The lady's body is formed by the stars Delta Andromedae , Pi Andromedae , and Beta Andromedae . Both alpha Andromedae and beta Andromedae are of second magnitude. Stars delta Andromedae and pi Andromedae represent the lady's Shoulder s, whereas star beta Andromedae represent's the lady's Pelvis .

One of the lady's . The other leg is formed by stars beta Andromedae, Mu Andromedae , Nu Andromedae , Phi Andromedae , and 51 Andromedae . Star 51 Andromedae represents one of the lady's feet, which is being yanked by the hand of neighboring constellation Perseus , who is trying to liberate Andromeda.

One of the lady's Arm s is formed by stars delta Andromedae, Epsilon Andromedae , Zeta Andromedae , and Eta Andromedae , with star eta Andromedae representing one of her Hand s.

The other arm is formed by stars pi Andromedae, , the whale, to ravage the coast of Aethiopia. Cepheus, Cassiopeia's husband, had Andromeda bound by chain to a rock by the sea so that Cetus would devour Andromeda, appeasing Poseidon, thereby preventing any further ravaging of the coast of Aethiopia by Cetus. But the hero Perseus took Andromeda out of her chains and then flew with her on his winged horse, Pegasus , away from the scene of her sacrificial imprisonment. He subsequently married her. For more details on this myth, see the Boast Of Cassiopeia .


Reference



NOTABLE AND NAMED STARS

Source: The Bright Star Catalogue, 5th Revised Ed., The Hipparcos Catalogue, ESA SP-1200


STARS WITH PLANETS



SEE ALSO



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