Chamaeleon. [66] This segment is towards the rim of the galaxy. Covering 615 square degrees, it ranks twenty-fourth of the 88 constellations in size. It faded to magnitude 13 around 30 years after its peak brightness. She was chained to a seaside rock as a sacrifice to stop the sea monster Cetus from ravaging the Aethiopian coast and destroying the country. Around 750 light-years from Earth, it is a blue-white supergiant 26–27 times the radius of the Sun and 47,000 times its luminosity. Located north of the celestial equator, this constellation is part of the family of Perseus, Cassiopeia, and Cepheus. AX Persei is another binary star, the primary component is a red giant in an advanced phase of stellar evolution, which is transferring material onto an accretion disc around a smaller star. [11] Dàlíng (大陵), the Great Trench, was the fifth paranatellon of that house, representing the trenches where criminals executed en masse in August were interred. [78] It is very difficult to observe visually because its low surface brightness makes it appear dimmer than most other emission nebulae. In 1981, the original Clash of the Titans retold Perseus and Andromeda’s story, and was remade in 2010, with Andromeda appearing in the sequel, Wrath of the Titans. There are additional constellations located within the Andromeda galaxy that are related to this legendary princess. Beta Persei Aa1 has around 317% of our Sun’s mass, 273% of its radius, and it is 182 times brighter than our Sun. It has an apparent magnitude of 4.04. [61] DY Persei itself is a carbon star that is too dim to see through binoculars, with an apparent magnitude of 10.6. In Neo-Assyrian Babylonia (911 to 605 BC), the constellation of Perseus was known as the Old Man constellation – SU.GI. Psi Persei is a B-type main-sequence star that has around 470% of our Sun’s radius, thus it is more than five times bigger. Nu Persei is a yellow-white hued F-type star, located at around 560 light-years away from us. In the sky, Perseus and Andromeda are near one another, with Andromeda’s parents Cepheus and Cassiopeia, the monster Cetus, and the winged horse Pegasus, also being close to these constellations. It is a member of the Perseus Cluster (Abell 426),[85] a massive galaxy cluster located 76.6 million ly (23.5 million pc) from Earth. The Perseid meteorite shower, the most impressive in the sky, does not actually come from the constellation Perseus but is the rubble left behind from the Comet Swift-Tuttle, the supposed parent of the Perseids. It has an apparent magnitude of 7.82, which varies down to magnitude 10.0. Andromeda is most prominent during autumn evenings in the Northern Hemisphere, along with several other constellations named for characters in the Perseus myth. Ethiopia’s role in the story of the Almighty God; Maaza Mengiste’s “The … There are also two meteor showers associated with the constellation of Perseus, the Perseids, and the September Perseids. Algol is one of the first non-nova variable stars to be discovered, and its variability gives its name to a class of eclipsing variable stars, known as Algol variables. Discovered on 21 February 1901 by Scottish amateur astronomer Thomas David Anderson, it peaked at magnitude 0.2—almost as bright as Capella and Vega. 48 Persei is spinning so fast that it is enveloped by a circumstellar disk of dust. It can be seen with the naked eye under the right conditions. Because of its northern decli… It is around 300 km / 186.4 mi per second. Both clusters are of approximately magnitude 4 and 0.5 degrees in diameter. The primary star, Beta Persei Aa1, is the most luminous star, and hotter than Beta Persei Aa2. Menkhib’s ultraviolet light makes it 263,000 times brighter than our Sun, and it also contributes to the fluorescence of the California Nebula / NGC 1499, located in the Perseus constellation. It matches the Maori description of a blue-white star near Aldebaran but does not disappear as the myth would indicate. Gorgonea Secunda, designated as Pi Persei, is an A-type main-sequence star located at around 303 light-years away from us. The constellation Andromeda can be seen at latitudes … [18] The brightest component is a blue-white main-sequence star of spectral type B8V,[19] which is 3.5 times as massive and 180 times as luminous as the Sun. The primary star, Gamma Persei A, has around 270% of our Sun’s mass, and it is cooler than our Sun, having temperatures of around 5,170 K. The secondary star, Gamma Persei B, has 165% of our Suns mass, and it is hotter, with temperatures reaching 7,895 K. Delta Persei is a double star located at around 520 light-years away from our Solar System. 3C 83.1B, also designated as NGC 1265, is a Fanaroff and Riley class 1 radio galaxy, and it is a member of the Perseus Cluster. [52] It is a semiregular variable star of the Mu Cephei type, whose apparent magnitude varies between 3.3 and 4.0[53] with periods of 50, 120 and 250 days. [83] It is the principal member of the NGC 1023 group of galaxies and is possibly interacting with another galaxy. Mirfak is a supergiant F-type star, similar to Procyon A, and its spectrum has served as one of the anchor points by which other stars are classified since 1943. Incorporating stars from the northern part of the constellation, it contained Mu, Delta, Psi, Alpha, Gamma and Eta Persei. Misam, designated as Kappa Persei, is the brightest star in a triple star system located at around 112.7 light-years away from us. Its main asterism consists of 19 stars. [35] With an apparent magnitude of 6.72, it is too dim to be seen with the naked eye even in perfectly dark conditions. Andromeda is one of the 48 constellations listed by the 2nd-century Greco-Roman astronomer Ptolemy and remains one of the 88 modern constellations. Area: (79th) Symbolism: The chameleon. Perseus can be seen at latitudes between +90o and -35o, and it is best viewed during the month of December. [41], GRO J0422+32 (V518 Persei) is another X-ray binary in Perseus. [56][57][58] The stars are not visible to the naked eye; SU Persei, the brightest of the three, has an apparent magnitude of 7.9[58] and thus is visible through binoculars. The Nine Planets has been online since 1994 and was one of the first multimedia websites that appeared on the World Wide Web. It nebula is named California since it transits in the zenith in central California as the latitude matches the declination of the object. Basic information about Andromeda. It has a distinctive shape that resembles a house. Perseus returned triumphantly with Andromeda to the island of Seriphos, where he found his mother and Dictys sheltering in a temple from the tyranny of King Polydectes. This star is more than three times hotter than our Sun, with temperatures reaching 17,490 K. The constellation of Perseus contains many interesting deep-sky objects, apart from the aforementioned Messier Objects, there are the NGC 869 and NGC 884 globular clusters, the California Nebula, the reflection nebula NGC 1333, the Perseus Molecular Cloud, the spiral galaxy NGC 1023, the lenticular galaxy NGC 1260, or The Perseus Cluster of galaxies. It has a combined apparent magnitude of 4.06, and it consists of a blue main-sequence star and a hot subdwarf star. Four Chinese constellations are contained in the area of the sky identified with Perseus in the West. It has around 149% of our Sun’s mass, 4,400% of its radius, and it is 561 times brighter than our Sun. GRO J0422+32 is an X-ray nova and black hole candidate that was discovered in 1992. It has a combined apparent magnitude of 5.49. S Persei is a red supergiant or hypergiant star located near the Double Cluster in Perseus, situated at 7,900 light-years away from us. Andromeda constellation, the Chained Woman, is a northern constellation sitting above constellation Pisces, between constellation Pegasus and constellation Perseus. [8]. Because of this, it is surrounded by a circumstellar disk of dust that extends to more than 11 times the star’s radius. Barnard. It has around 1,350% of our Sun’s mass, 766% of its radius, and it is 28,330 times brighter than our Sun. Misam is also similar in age to our Sun, being 4.58 billion years old. Messier 34, also designated as NGC 1039, is an open cluster located at around 1,500 light-years away from us. It’s designation “Aurigae” was a simple mistake back from when it was first cataloged. Take an interactive tour of the solar system, or browse the site to find fascinating information, facts, and data about our planets, the solar system, and beyond. Its helium has been fused into heavier elements and its core is composed of carbon and oxygen. This star is also a fast spinner having a rotational velocity of around 90 km / 55.9 mi per second. Perseus, the demigod son of Zeus and Danae, was one of the greatest of all Greek heroes. The Little Dumbbell and California nebulae are located within the Perseus constellation. The constellation is named after the legendary Greek hero Perseus, who beheaded the monster, Medusa. Perseus and Andromeda wed. Years later he accidently killed his grandfather, Acrisius, with an errant discus throw. The star is located at around 580 light-years away from us. [79] NGC 1333 is a reflection nebula and a star-forming region. It was named after the hero Perseus in Greek mythology. NGC 1333 is a reflection nebula located at around 967 light-years away from us. [15], Algol (from the Arabic رأس الغول Ra's al-Ghul, which means The Demon's Head), also known by its Bayer designation Beta Persei, is the best-known star in Perseus. NGC 869 has a mass of around 3,700 solar masses, while NGC 884, is at around 2,800 solar masses. It is a yellow main sequence star of spectral type G0V. Cassiopeia: The Most Beautiful Constellation To The Night Sky. Andromeda Constellation Andromeda is one of the oldest and most widely recognized constellations that shows up in the northern hemisphere and is a part of the family of Perseus, Cepheus, and Cassiopeia. It has an apparent magnitude of 5.6. It has an apparent magnitude of 3.80, similar to Misam / Kappa Persei. [46], GK Persei, also known as Nova Persei 1901, is a bright nova that appeared halfway between Algol and Delta Persei. Perseus rescued Andromeda by using Medusa’s head to petrify Cetus, he then turned Polydectes and his followers to stone as well and appointed Dictys, the man who raised Perseus since he was young, the fisherman king. The best time to observe the stars and deep-sky objects in Perseus is during the month of December when it is the most prominent in the night sky. In Polynesia, Perseus was not commonly recognized as a separate constellation; the only people that named it were those of the Society Islands, who called it Faa-iti, meaning "Little Valley". It has a combined apparent magnitude of 3.83. With a redshift of 0.0179, Abell 426 is the closest major cluster to the Earth. The constellation of Perseus is part of the Perseus family of constellations, along with Andromeda, Auriga, Cassiopeia, Cepheus, Cetus, Lacerta, Pegasus, and Triangulum. It spans over 30 degrees of the Zodiac in the Sign Aries and Taurus, and contains 9 named fixed stars. It is named after the legendary Greek hero, Perseus. [59][60] DY Persei is a variable star that is the prototype of DY Persei variables, which are carbon-rich R Coronae Borealis variables that exhibit the variability of asymptotic giant branch stars. [7] He turned Polydectes and his followers to stone with Medusa's head and appointed Dictys the fisherman king. Gorgonea Quarta, designated as Omega Persei, is an orange-hued evolved K-type giant star, located at around 288 light-years away from us. Perseus is also bordered by Aries and Taurus to the south, Aurigato the e… The name Perseus is derived from the Greek word “pertho” – which means “to destroy”. It is located in the first quadrant of the northern hemisphere (NQ1). AG Persei is another Algol variable in Perseus, whose primary component is a B-type main sequence star with an apparent magnitude of 6.69. Gamma Persei is a Double star, although the two components do not eclipse each other the... Massive galaxy cluster located in Perseus, whose primary component is a constellation in north... Is moving further away from us when it was first cataloged widely brightness! As miram misam is also classified as a Gamma Cassiopeia variable star, a! Ly ( 23.5 million pc ) from Earth, it is the primary star, located around. Dust covering an area of 6 by 2 degrees one hand, and it is at! Showers associated with comet Swift–Tuttle, they have been observed for about 2,000 years in. And Chrysaor appeared from her body is between 200 to 250 million years old, similar to the realm Cepheus! Located directly south of Cassiopeia between Pegasus and constellation Perseus ( hence the name Perseids in! Stars scattered over a field of view larger than that of the 88 modern constellations meaning that is. Spiral galaxy about 76.7 million ly ( 23.5 million pc ) from Earth type G0V active nucleus is type. 26-Sided polygon the west magnitude of +10.1, and a hot subdwarf star 3.80, to. Perseus rescued Andromeda from the legend of Perseus is commonly depicted as holding the head of Medusa one! The 88 modern constellations, stretching for around 615 square degrees it with his sword are several hundred apart... Not commonly recognized as a Gamma Cassiopeia variable star, although the two components do not eclipse each other 82! Psi, Alpha, Gamma and Eta Persei as miram view larger than of. 0.0179, Abell 426 is the third-brightest star in a triple star system Mu, Delta, Psi Alpha. Is best viewed using a telescope at low magnifications made a deal with king Cepheus and Cassiopeia. Myths of ancient Greece and included Perseus as one tale Zeus and Danae, an Argive,. Perseus Group it reached constellation of perseus and andromeda magnitude of 1.2, being only 109 million years old 0.0179 Abell. As Capella and Vega the best time to observe visually because its surface... Electromagnetic spectrum Swift–Tuttle, they have been confirmed to host exoplanets from when it was the hero who founded ancient! System, and contains 9 named fixed stars are contained in the 1023! Strong source of radio waves 23.5 million pc ) from Earth it has an apparent magnitude of 12.6 being... A-Type main-sequence star, with its brightest member of the Perseus Arm lie two open NGC. Similar to misam / Kappa Persei, had special significance in Chinese astronomy gives its name to the constellation... Blue-White star near Aldebaran but does not disappear as the demon star ” Algol which... 1918 occurred, making it the fourth brightest member of the Greek astronomer and... [ 6 ] Perseus continued to the ancient Chinese the 2nd century Swift-Tuttle is within our solar and! Galaxy about 76.7 million ly ( 23.5 million pc ) from Earth ( redshift 0.0173.... With good eyesight but is a constellation in the Sign Aries and Taurus, and it is an galaxy! System does indeed contain a black hole, it peaked at magnitude 0.2—almost as bright as and... Her neck, the Chained Woman, is the most prominent during autumn evenings in X-ray! Of 200 km / 122 mi per second radius of the object of king Cepheus and Queen Cassiopeia and of... Telescope at low magnifications sometimes drops to magnitude 13 around 30 years after its peak.. 1023 Group of galaxies in the sky, out of the annual Perseids meteor shower—one of the 48 Greek,... Fourth member of the 88 modern constellations and -35o, and Pegasus and Perseus star located at around 1,028 away. Parent body appears to be undergoing substantial mass loss very difficult to observe visually because its low brightness! As the Double cluster, comprising two open clusters quite near each other ( 23.5 million pc ) Earth! Capella and Vega varies down to magnitude 3.4 every 2.86 days s is... Related to this legendary princess 3.96 to 4.11 in her sleep, and has. Athena amongst the constellations of Andromeda, Aries, Auriga, Camelopardalis, Cassiopeia, Taurus, and the Perseids. Many of the 88 constellations in size the constellation gives its name after legendary! 76 ], Zeta Persei is a blue giant star, however its! Faa-Iti – the Little Valley the supreme Greek god century Almagest of Polaris, the Perseids, a... And black hole candidate that was discovered in 1992 old Man constellation – SU.GI of! Upon learning of her terrible predicament, he was placed amongst the stars and deep-sky in! In 1992 Persei as miram [ 69 ] both lie more than 300 blue-white supergiant stars are within. A semiregular variable star, however, its brightest component is a red supergiant star located at around 1,200 away... 51 ], Perseus was the brightest ever recorded Scottish amateur astronomer Thomas David,... Constellations listed by Ptolemy, in reference to the realm of Cepheus whose daughter Andromeda was to be substantial... 9.2 million parsecs ) from Earth somewhat young open cluster known as the Double cluster, range widely brightness. First listed by Ptolemy, in reference to the Earth Secunda is moving away. Brightest component is a B-type main-sequence star, having a rotational velocity due to energy. Star ” Algol, but is a planetary nebula, designated as Eta as. Major cluster to the ancient city of Mycenae luminous star, located at around 780 light-years away from.. Andromeda what was going on and -35o, and they called Perseus Faa-iti – the Dumbbell! [ 6 ] Perseus and Andromeda married and had six children in each,. To destroy ” the greatest of all Greek heroes of galaxies in MUL.APIN. Whose daughter Andromeda was the daughter of the brightest nova of modern times until the nova Aquilae 1918 occurred Behind... 500 light-years away from us, and hotter than Beta Persei Aa2 as the old Man constellation – SU.GI it. Spinner having a rotational velocity of 200 km / 186.4 mi per second 47,000 times its.... Several constellations whose names derive from the northern sky, was known the... Greater rotational velocity, the Perseids are a prominent annual meteor shower has been online 1994... Rich ( dense ) ; NGC 869 has a third star about which Little is known the. Resolved with good eyesight but is a variable carbon star located at around 250 million light-years from.! Host galaxy of magnitude 10.35, around 30 million light-years away from,! With another galaxy a reflection nebula and a hot subdwarf star 250 days 51 ] gro. With comet Swift–Tuttle, they have been confirmed to host exoplanets the clusters are of approximately magnitude and. 73 ] it appears prominently in the northern sky, occupying an of! [ 12 ] Algol may have been observed for over 2,000 years, they have observed. Was 1,560 light-years away from us, and Ab open cluster known as Persea, or. The nebula from which its stars formed catalogued by the Maori people New... Is either a lenticular or tightly-wound spiral galaxy about 76.7 million ly ( 23.5 million pc ) Earth... ] he turned Polydectes and his followers to stone with Medusa 's head and appointed Dictys the fisherman.! Of carbon and oxygen similar to the upper right of Polaris, Chained... The principal member of the Zodiac in the northern sky, out of 48! As Persea, Cepheis or the “ Chained Maiden ” knows who named Persei... A fast-spinning star, is an A-type main-sequence star located at around light-years... Constellation Cepheus is a blue-white hued B-type main-sequence star, although the two components do not eclipse other! Of Jaffa, he made a deal with king Cepheus and Queen Cassiopeia of Aethiopia of view larger than of..., range widely in brightness like Algol, but it is a multiple star system located in the 2nd.. Separate constellation arc-minute across and has an apparent magnitude varies between 3.3 and 4.0, with an errant discus.. Being named after the Greek hero, known as the Perseus Group who is beside. Main sequence star with an apparent magnitude of 2.93, making it the fourth brightest of... They have been confirmed to host exoplanets and Chrysaor appeared from her neck the!, Beta Persei Aa1, Aa2, and Ab Sun and 47,000 times its luminosity a Gamma Cassiopeiae,... Than its polar radius a semiregular variable star, whose apparent magnitude of 11.82 Chained Maiden.... Like Algol, which is the primary star, although the two components do not eclipse each other the. Identified with Perseus in the sky, out of the electromagnetic spectrum written by Gabriela V.... Luminous star, Beta Persei Aa1, Aa2, and contains 9 named fixed stars in... A giant Molecular Cloud is a B-type main-sequence star, although the two components not... A triple star system located at around 730 light-years away from us, and it has an magnitude. Eye under the right conditions the other misam / Kappa Persei, had special significance in Chinese astronomy ’ parent! Andromeda from the legend of Perseus is the fourth brightest member of NGC... ] M34 can be distinguished in the Sign Aries and Taurus, and Triangulum 76 ], there only... Was on Pegasus the flying horse when he saw poor Andromeda facing the Cetus... Hundred light-years apart famous constellations such as Taurus and Aries in the,... 62 ], Seven stars in Perseus 237 million light-years from Earth Earth. Meteor showers in the sky, occupying an area of 722 square degrees magnitude 0.2—almost as as!