andromeda by: sam strauss, claudia watson, john barton
Post on 17-Jan-2016
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AndromedaBY: SAM STRAUSS, CLAUDIA WATSON, JOHN BARTON
Andromeda
Located in the northern sky
Named after the mythical princess
Referred to sometimes as the Chained Maiden, Persea, and Cepheis
Originally catalogued by the Greek astronomer Ptolemy
The Story of Andromeda Daughter of King Cepheus and Queen Cassiopeia of
Ethiopia
Offended the Nereids (sea nymphs) by her mother claiming that she was more beautiful than they were
Nereids told Poseidon and sent the sea monster, Cetus, to flood and destroy Cepheus’ lands
King sought advice from the Oracle of Ammon and he had to sacrifice his daughter to Cetus
Andromeda was chained to a rock naked
Perseus saves her by using Medusa’s head and they get married
Interesting Objects
Messier 31 (M31) aka the Andromeda Galaxy.
2.2 million light-years from Earth
M31 is often referred to as a twin sister to the Milky Way
M31 is the largest neighboring galaxy to the Milky Way M31 is approximately 200,000 light-years in diameter
Magnitude of 3.5
752
Star cluster of about 100 stars 1500 light years away
Bright Star Names and Types of the Andromeda Constellation
Alpheratz, Alpha Andromedae, also known as Sirrah, is approximately 97 light years away from earth. It is a hot blue star classified as a B8 subgiant, and it is the brightest mercury-manganese star known, today.
Another bright one is, Mirach, Beta Andromedae. It lies 200 lights years away from earth, and it is classified as a cool, bright red class M giant.
Star Names and Types cont’d
Nembus, or 51 Andromedae, is the fifth brightest star in the constellation, and it is an orange K-type giant that lies 177 light years away.
Iota Andromedae is a B-type main sequence dwarf, and it lies about 503 light years away. It is a blue-white color.
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