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Andromeda (constellation): Wikis


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List of stars in Andromeda
Abbreviation And
Genitive Andromedae
Pronunciation /ænˈdrɒmɨdə/, genitive /ænˈdrɒmɨdiː/
Symbolism Andromeda,
the Woman Chained[1]
Right ascension 1 h
Declination +40°
Family Perseus
Quadrant NQ1
Area 722 sq. deg. (19th)
Main stars 4, 18
Stars with
known planets
Stars brighter than 3m 3
Stars within 10 pc (32.6 ly) 3
Brightest star α And (Alpheratz) (2.07m)
Nearest star Ross 248
(10.30 ly, 3.16 pc)
Messier objects 3
Meteor showers Andromedids (Bielids)
Visible at latitudes between +90° and −40°.
Best visible at 21:00 (9 p.m.) during the month of November.

Andromeda is a constellation in the northern sky. It is named after Andromeda, the princess in the Greek legend of Perseus who was chained to a rock to be eaten by sea monster Cetus. It is sometimes called "the Chained Lady" or "the Chained Woman" in English (Mulier Catenata in Latin, al-Mar'at al Musalsalah in Arabic).[2] It has also been called Persea ("Perseus's wife")[2] or Cepheis ("Cepheus's daughter").[2] The Andromeda Galaxy is named after the constellation, as it appears within its boundaries.


Notable features


See also: List of stars in the constellation Andromeda

Deep sky objects

The most famous deep sky object in Andromeda is a spiral galaxy Messier 31, the Andromeda Galaxy, one of the most distant objects visible to the naked eye (Messier 33, the Triangulum Galaxy, is slightly farther). It is an enormous spiral galaxy much like the Milky Way. To find the galaxy, draw a line between β and μ And, and extend the line approximately the same distance again from μ And.

Meteor showers

In November, the Andromedids meteor shower appears to radiate from Andromeda.


Andromeda as depicted in Urania's Mirror, a set of constellation cards published in London c.1825

When the constellation is envisioned as representing the princess Andromeda, α Andromedae is normally considered to mark her head. However, the star's traditional Arabic names mean "horse" and "navel".[6]

Several other nearby constellations are associated with the myth of Andromeda, including Cassiopeia (her mother), Cepheus (her father), Cetus (the monster), Perseus (her saviour) and Pegasus (his horse).


  1. ^ Allen (1899) p.31.
  2. ^ a b c Allen (1899) pp.32, 33.
  3. ^ Bakich (1995) pp.20, 21.
  4. ^ Morton Wagman (2003) Lost Stars p.240.
  5. ^ Morton Wagman, Lost Stars. p.240.
  6. ^ Ian Ridpath, Star Tales.


  • Allen R. H., (1899) Star-Names and Their Meanings, G. E. Stechert.
  • Bakich, M. E., (1995) The Cambridge Guide to the Constellations, Cambridge University Press, Cambridge (UK).
  • Ray H. A., (1997 The Stars — A New Way To See Them. Enlarged World-Wide Edition. Houghton Mifflin, Boston. ISBN 0-395-24830-2.*
  • Ridpath. I., (1988) Star Tales, Lutterworth Press, Cambridge (UK).
  • Ridpath, I., and Tirion W., (2007) Stars and Planets Guide, Collins, London. ISBN 978-0007251209. Princeton University Press, Princeton. ISBN 978-0691135564.
  • Wagman, Morton (2003) Lost Stars, McDonald and Woodward, Blacksburg, Virginia. ISBN 0-939923-78-5.

External links

Coordinates: Sky map 01h 00m 00s, +40° 00′ 00″

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