Andromeda BY: 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  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.