constellation in the northern celestial hemisphere
Andromeda is a constellation in the northern sky. It is named after the princess Andromeda in Greek mythology. It is sometimes called "Princess of Ethiopia" or "the Chained Woman" in English. It has also been called Persea ("Perseus's wife") or Cepheis ("Cepheus's daughter"). The astronomer named Ptolemy listed Andromeda when he made a list of 48 constellations. It is also one of the 88 constellations made by the International Astronomical Union.
|Pronunciation||/ænˈdrɒmɨdə/, genitive /ænˈdrɒmɨdiː/|
the Woman Chained
|Area||722 sq. deg. (19th)|
|Main stars||4, 18|
|Stars with planets||8|
|Stars brighter than 3.00m||3|
|Stars within 10.00 pc (32.62 ly)||3|
|Brightest star||α And (Alpheratz) (2.07m)|
|Meteor showers||Andromedids (Bielids)|
|Visible at latitudes between +90° and −40°.|
Best visible at 21:00 (9 p.m.) during the month of November.
The Andromeda Galaxy is inside Andromeda. It is the closest spiral galaxy to Earth, at about 2.2 million light-years from Earth (estimates range up to 2.5 million light-years). The brightest star in Andromeda is called Alpha Andromedae, which is a binary star.
- ↑ Allen (1899) p.31.
- ↑ 2.0 2.1 2.2 Allen (1899) pp.32, 33.
- ↑ Ridpath, Ian. "Chapter One continued". Star Tales. Retrieved 28 January 2013.
- ↑ Schoening, Bill; Harvey, Vanessa. "The Andromeda Galaxy". REU program/NOAO/AURA/NSF. Archived from the original on 22 November 2012. Retrieved 28 January 2013.
- ↑ Darling, David. "Alpheratz (Alpha Andromedae)". Retrieved 28 January 2013.