who discovered andromeda constellation

who discovered andromeda constellation插图

Ptolemy

What is the story behind the constellation Andromeda?

The constellation was named after the mythical princess Andromeda, the daughter of Queen Cassiopeia and wife of the Greek hero Perseus. It is also known as the Chained Maiden, Persea (wife of Perseus), or Cepheis (daughter of Cepheus).

What constellations are in the Andromeda Galaxy?

The Andromeda Constellation is located in the northern hemisphere of the night sky just above the celestial equator. It is surrounded by other notable constellations (many of which are also from Greek Mythology) including the well-known constellations of Perseus, Cassiopeia, Pegasus, Pisces, and Aries.

What are the major stars in the Andromeda constellation?

α Ursae Majoris,known by the Arabic name Dubhe (the bear),which at a magnitude of 1.79 is the 35th-brightest star in the sky and the second-brightest of Ursa Major.β Ursae Majoris,called Merak (the loins of the bear),with a magnitude of 2.37.γ Ursae Majoris,known as Phecda (thigh),with a magnitude of 2.44.More items…

What are the constellations located around Andromeda?

Andromeda (the Chained Maiden)Auriga (the Charioteer)Cassiopeia (the Queen)Cepheus (the King)Lacerta (the Lizard)Pegasus (the Winged Horse)Perseus Triangulum (the Triangle)

How many constellations are there in the constellation Andromeda?

Constellation Andromeda is part of a family of nine constellations known as the Perseus Group.

How big is the Andromeda constellation?

Covering an area of 722 square degrees, the Andromeda constellation is the 19th largest constellation.

How far away is the Andromeda Galaxy?

So how far away is the Andromeda Galaxy? It’s 2.5 million light years from Earth, and appears in clear autumn and winter nights as a pale and elongated nebula. The Persian astronomer Abd al-Rahman al-Sufi first described the Andromeda Nebula in the 10th century as a ‘small cloud.’

What is the name of the star that is located at the hip of the princess?

Starting from 1943, scientists have been using its spectrum as one of the anchor points by which stars are categorized. The name ‘Mirach’ comes from the Arabic language and means ‘girdle ’, referring to the star’s position at the hip of the princess.

Why did Poseidon awoke Ketos?

Poseidon became very angry. His anger was so powerful that it awoke the mighty sea monster, Ketos. Because the beast was so suddenly awakened, it hurled its wrath on the Kingdom of Ethiopia as divine retribution. King Cepheus quickly asked the oracle how he could save his realm, and learned that he had to sacrifice Andromeda to this vile monster. And so she was stripped and chained naked to a rock on the beach to await her fate.

What is the brightest star in the constellation?

Alpheratz, or Alpha Andromedae is the brightest star in the constellation. Other names include Alpherat and Sirrah, which derive from the Arabic name that means ‘navel of the mare’. Alpha Andromedae is located 97 light years from the Sun. It is actually a binary star (a system of two stars). Interestingly, the main star contains abnormally high levels of mercury and manganese, being the most luminous mercury-manganese star known.

What is the name of the galaxy in Andromeda?

Andromeda is home to several deep-sky objects, including the Andromeda Galaxy (Messier 31), as well as Messier 32 and Messier 110, a dwarf elliptical galaxy each.

What are the stars in the Andromeda constellation?

The brightest stars in the constellation — Alpheratz, Mirach and Almach — form a chain between the Great Square of Pegasus and the constellation Perseus.

What is the constellation of Andromeda named after?

The constellation was named after the mythical princess Andromeda, the daughter of Queen Cassiopeia and wife of the Greek hero Perseus. It is also known as the Chained Maiden, Persea (wife of Perseus), or Cepheis (daughter of Cepheus). Among other notable deep sky objects, Andromeda constellation contains the famous Andromeda Galaxy ( Messier 31) …

Where is Mirach located?

The name Mirach is a corrupted derivation from the Arabic word for “girdle,” mizar, referring to the star’s placement at Andromeda’s left hip. Mirach is located only seven arcminutes from the galaxy NGC 404.

Where is NGC 206?

NGC 206 is a star cloud in the Andromeda Galaxy. It is the brightest star cloud in M31 seen from Earth and one of the largest star forming regions in the Local Group of galaxies. The cloud contains a number of very bright stars and is located in a zone free of neutral hydrogen in one of Andromeda’s spiral arms.

How far is Iota Andromedae?

Iota Andromedae is a B-type main sequence dwarf, bluish white in colour. It has a magnitude of +4.29 and is 503 light years distant.

What is the latitude of Andromeda?

It is located in the first quadrant of the northern hemisphere (NQ1). The constellation Andromeda can be seen at latitudes between +90° and -40°. The neighboring constellations are Cassiopeia, Lacerta, Pegasus, Perseus, Pisces and Triangulum.

How many stars are there in Andromeda?

Andromeda has three stars brighter than magnitude 3.00 and three stars located within 10 parsecs (32.6 light years) of Earth. The brightest star in the constellation is Alpha Andromedae, also known by its traditional name, Alpheratz. The nearest star is Ross 248 (spectral class M6V), also known as HH Andromedae.

What star has flowing hair?

Andromeda has long, flowing hair that falls around her shoulders. The stars Eta Andromedae and Sigma Andromedae pinpoint her arms. The bright star Mirach is known as the girdle. It lies in the center of her body, and you can imagine a long flowing red robe, secured at the waist by a rope tie.

How far is Iota Andromedae from Earth?

Iota Andromedae is a blue-white star, 503 light-years away. Upsilon Andromedae is 44 light- years away from Earth. Adhil is a double star and lies about 196 light-years away. The distance from milky way to Andromeda galaxy is a massive 2.5 million light-years. NGC 206 is about 400 light-years away.

How to complete the image of Andromeda the Princess?

To complete the image of Andromeda the princess constellation, wrap chains around her wrists and ankles. The chains are free and loose and the great warrior Perseus is rescuing her from the monster. He is about to carry her off to become his wife and live happily ever after.

What constellation is the chained woman?

Andromeda Con stellation. The Andromeda constellation is the 19th largest in the sky. It is also known as the Chained Woman. It is an ancient constellation that dates back to Greek times and is associated with a beautiful princess who was sacrificed to the Sea Monster, Cetus, as a result of her mother’s vanity.

Where does the name Mirach come from?

Beta Andromedae is also known as Mirach. The name comes from the partially-related Arabic word mizar meaning “girdle”. Mirach lies at Andromeda’s left hip, where her rope tie holds her robe closed. Mirach has an apparent magnitude of 2.01 and you can see this Andromeda naked eye star without a telescope.

How far is NGC 206 from Earth?

NGC 206 is about 400 light-years away. Taking into account the brightest stars and their individual distances, the average distance to the Andromeda constellation from Earth is about 213 light-years. If you consider the deep sky galaxies, the distance is around millions of light-years.

What is the name of the star at the top of the Andromeda’s head?

A prominent pattern of stars, known as an asterism, defines the main. Andromeda star at the top of her head. This star is Alpheratz, and also forms part of the Great Square of Pegasus.

What is the meaning of the name Andromeda?

Name and Meaning: Derived from Greek mythology, Andromeda was the daughter of Cassiopeia and Cepheus – the king and queen of ancient Aethopia (modern day Ethopia).

How far is the Andromeda Galaxy from Earth?

The most famous of these is the Andromeda Galaxy (aka. M31, NGC 224), which takes its name from this constellation. Located at an estimated 2.2 million light-years from Earth, this galaxy is one of the most distant objects that is visible to the naked eye.

What constellation is the goddess of the heavens?

The stars that make up Pisces and the middle portion of modern Andromeda formed a constellation representing the fertility goddess “Anunitum” (or the “Lady of the Heavens”), who was also the patron goddess of the city of Akkad. Andromeda is also associated with the Mesopotamian creation story of Tiamat, the goddess of Chaos.

Why was Andromeda chained to a rock?

To punish the mother, Andromeda was chained to a rock of the coast as a sacrifice for a sea monster, Cetus (another southern constellation). Andromeda escaped this fate, thanks to the intervention of Perseus – the greatest Greek hero and slayer of monsters before Heracles.

How many children did Athena have?

The two married, had nine children together, and founded the kingdom of Mycenae and its Persideae dynasty. After Andromeda’s death, Athena placed her in the sky as a constellation, to honor her. The Andromeda constellation, from Uranographia by Johannes Hevelius (1690). Credit: contentdm.lindahall.org.

Which constellation has bright stars?

Andromeda ’s bright stars are mostly in the body of the porpoise, while Cassiopeia represents its tail and Aries its head. Andromeda was one of the original 48 constellations formulated by Ptolemy in his 2nd-century work, Almagest.

What is the goddess of chaos?

Andromeda is also associated with the Mesopotamian creation story of Tiamat, the goddess of Chaos. According to the legend, Tiamat bore many demons for her husband, Apsu, the god of freshwater. However, she eventually decided to destroy them as part of a war between the older and youner gods.

What are the two groups of galaxies?

Both galaxies, together with 52 other, are part of the Local Group, one of many distinct groups of galaxies that are gravitationally bound to each other. The majority of the galaxies in the Local Group are dwarf galaxies orbiting the three largest –Andromeda, Milky Way and Triangulum. The Andromeda galaxy has 25 satellite dwarf galaxies …

What is the diameter of the Andromeda galaxy?

Diameter: 220 000 light years. Other designations: Messier 31, M31. Constellation: Andromeda. The Andromeda Galaxy is an elliptic galaxy and the largest one in our Local Group. It is more than double the size of the second largest, our home – the Milky Way. Both galaxies, together with 52 other, are part of the Local Group, …

How many stars are in the Andromeda galaxy?

The Andromeda galaxy has 25 satellite dwarf galaxies and is estimated to contain more than trillion stars within its two spiral arms. Like many other elliptical galaxies we observed, it has a black hole with more than 100 million solar masses in its center. But that is not the only interesting thing about its nucleus.

When was the Andromeda galaxy discovered?

Theory of “island universes” and the Andromeda being a galaxy outside our own was hypothesized as early as 17 th century. Edwin Hubble settled the debate in 1925 when he discovered a type of variable star inside the Andromeda. It is estimated to host more than trillion stars, making it four time larger than the Milky Way.

Which galaxy is bigger, Andromeda or Milky Way?

The Andromeda galaxy is the largest galaxy in the Local Group, more than twice the size of the Milky Way.

How long does it take for the light from the Andromeda to reach Earth?

The light from the faint smudge that can be seen on a clear moonless night takes who oping two and a half million years to reach the Earth.

What happens when two black holes merge?

The two supermassive black holes at the center of each galaxy will fall towards the center of the newly formed galaxy and merge to possibly produce a powerful quasar that shoots high-energy particles perpendicular to the plane of the galaxy.

How did Andromeda get her name?

Andromeda got her name from being the wife of Perseus who was a Greek hero. This constellation is also referred to as the Chained Maiden, Persea (wife of Perseus), or Cepheis (daughter of Cepheus). This relatively simple grouping of stars can be best viewed between the months of February to August in the Northern hemisphere and between October and December in the Southern hemisphere.

What color is the Andromeda constellation?

This binary star is classified as a B8 subgiant and shines with a hot-blue color. The brighter star making up this binary is made up of extreme levels of manganese and mercury and burns with a surface temperature of 13,800 K. Alpheratz can also claim to be the brightest mercury-manganese star known so far. The companion star in Alpheratz is 10 times brighter than our sun and also much larger. These stars orbit each other in 96.7 days.

How many clusters are there in Messier 110?

Messier 110: located 2.9 million light-years away, M110 is considered a dwarf elliptical galaxy and contains 8 globular clusters in the halo around it. M110 is also showing signs of new star formations.

What is the brightest star in Andromeda?

Almach (Gamma Andromeda) Arabic for the “desert lynx” this star is the 3’rd brightest in Andromeda. It has two color components to it – a golden-yellow giant and a blue companion.

How far away is Iota Andromedae?

Iota Andromedae is 503 light years away and has a bluish-white shine. It is classified as a B-type main sequence dwarf.

Where is Andromeda located?

It can be viewed from both the Northern and Southern hemispheres but is actually located in the first quadrant of the Northern hemisphere at latitudes between +90° and -40°. This fascinating astronomical wonder is also part of the Perseus group of constellations which includes Cassiopeia and Pegasus.

What is the name of the blue nebula?

The Blue Snowball Nebula or Caldwell 22 (NGC 7662): is a planetary nebula. It has a faint variable star and a bluish dwarf at its center. Surrounding this wonder is a blue disk. It is estimated to be around 1,800 light years in distance.