Cepheus was one of the 48 constellations listed by the second-century astronomer Ptolemy. Desperate, Cepheus and Cassiopeia did this, leaving their daughter chained to the rock for Cetus to find. Alrai is a binary star system. The galaxy was discovered by William Herschel in September 1798. Delta Cephei is a double star with an apparent magnitude varying between 3.48 and 4.37. Cepheids typically form with masses 3-30 times that of the Sun, then pass through the main sequence stage as B-class stars and, once they have burnt up the hydrogen in their core, their helium core loses stability and begins to contract and expand at regular intervals and they undergo stages of nuclear burning. NGC 7142 is another open cluster in Cepheus. It is a white class A star, currently evolving into a subgiant star. It belongs to the spectral class M1lbpe+ and has about 9 or 10 solar masses. – Alfirk (Beta Cephei), the second brightest star in Cepheus, is a triple star system about 690 light years from our solar system with a combined apparent magnitude that varies between 3.15 to 3.21. Airbus awards Ethiopian for its agility and resilience During the COVID–19; Cainiao teams up with Ethiopian Airlines to launch cold chain service for vaccine transportation Luckily, the hero Perseus found the princess first, rescued her and killed the monster. Later, he married Andromeda. Cepheus is a constellation of the northern hemisphere and covers an area of 588 square degrees. It has an apparent magnitude of 9.3 and is approximately 6,200 light years distant. Cepheus is the 27th largest constellation in the night sky, occupying an area of 588 square degrees. The Fireworks Galaxy is an intermediate spiral galaxy in Cepheus. Unfortunately, the king and queen did not look away from the Gorgon’s head in time and were also turned to stone. It lies about five degrees away from the North Celestial Pole. It is one of the Greek constellations. Das Doppelsystem ist etwa 4900 Lichtjahre von unserer Erde entfernt. Photo by Jan Schubert. The Cassiopeia constellation gets its nam… There are no meteor showers associated with Cepheus. It can be seen by the naked eye. The orange hypergiant, RW Cephei, is one of the largest stars known to the human race. Perseus and Andromeda were celebrating their wedding when Phineus, Cepheus’ brother, turned up. It can be seen by the naked eye. shining at a magnitude of 4.0 across 5,000 light years. The star’s apparent magnitude varies between magnitude 3.62 and 5 in a period of 2 to 2.5 years, without a recognizable pattern. Cepheus turned to an oracle for advice on how to prevent this disaster. Kruger 60 is a binary star composed of two red dwarfs that orbit each other with a period of 44.6 years. Based on my research on Cepheus, over time the constellation has … It was discovered by the English astronomer Sir John Frederick William Herschel in 1825. The stars have apparent magnitudes of 9.59 and 11.40. Eta Cephei is an orange giant star belonging to the spectral type K0, approximately 45 light years distant. It is a pulsating variable star. It is approximately 1,300 light-years distant. It has a magnitude of 2.5. The brighter component of the binary is classified as a yellow-white F-class supergiant. It is one of the oldest known open clusters. The brightest star in the constellation is Alderamin, Alpha Cephei. In about 88,600 years, Kruger 60 will make its closest approach to the solar system and come within 1.95 parsecs. It lies approximately 891 light years from the solar system. GARNET STAR NEBULA : A large nebula catalogued as IC 1396 lies close to the Garnet star Mu Cephei, one of the most celebrated stars in the sky. The galaxy has an apparent magnitude of 9.6 and lies at a distance of 25.2 million light years from Earth.

The Cepheids are a class of pulsating variable stars; Delta Cephei has a minimum size of 40 solar diameters and a maximum size of 46 solar diameters. The companion is believed to be a B-class star and is located 41 arc seconds away. It has an apparent magnitude of 3.22 and is approximately 45 light years distant. The cluster contains more than 130 young stars, believed to be less than a million years old. For the unaided eye observer, start first with Cepheus’ brightest star – Alpha. For a better understanding of its massive size, if we place this Garnet Star in our sun’s position, it would reach somewhere between the orbit of Jupiter and Saturn. V381 Cephei is a red supergiant with an apparent magnitude of 5.66, approximately 3,663 light-years distant. Zeus placed him in the sky after his tragic death because he was descended from one of Zeus’ loves, the nymph Io. Main Stars. It was discovered by Caroline Herschel in 1787. The Constellation Cepheus is named after the mythical king of Aethiopia. Alfirk (Beta Cephei) is located around 690 light-years away and is classified as a triple star. The constellation Cepheus contains ten main stars that makes up its shape. This asterism is formed by five bright stars; Epsilon, Ruchbah (Delta), Gamma, Schedar (Alpha Cassiopeiae) and Caph (Beta Cassiopeiae). It has a radius 1,650 times that of the Sun, or 7.7 Astronomical Units. It has a diameter of 1.753 billion km. AstroBackyard | Astrophotography Tips and Tutorials 2020, Cepheus is a constellation in the northern sky. Alderamin (Alpha Cephei) shines the brightest in the Cepheus constellation (which will be discussed later in detail). It is a pulsating variable star. (Wikipedia). Alderamin, The brightest star in Cepheus, is 2.3x the radius of our sun, 1.74x the mass. NGC 7538 is an emission or reflection nebula, approximately 9,100 light years distant. Cassiopeia was a very vain woman. Cepheus is a constellation in the northern sky.It is named after Cepheus, King of Aethiopia in Greek mythology.It was one of the 48 constellations … Unfortunately, the king and queen did not look away from the Gorgon’s head in time and were turned to stone, too. Martin Snodin 119,120 views This constellation rotates around Polaris in a counter-clockwise direction throughout the night. Cepheids are dying high-mass stars that are luminous enough to be seen with the naked eye and easily found in the neighbouring galaxies. Cepheus spans 60 degrees of the Zodiac in the Signs Pisces, Aries, Taurus and Gemini, and contains 13 named fixed stars. The star system is only 13.15 light-years (4.03 parsecs) distant. The stars name derives from the Arabic for “The Right Arm”. Curiously, for an old cluster, NGC 7142 contains an uncommonly high number of young blue stars. Business. V381 Cephei is a red supergiant with an apparent magnitude of 5.66, approximately 3,663 light years distant. He was forced to use the head of Medusa to turn his enemies into stone. Click on each star to see more details about it. NGC 188 is an open star cluster, approximately 5,400 light years distant. This star rotates at a very high speed, at least 246 km/s, and completes one revolution in approximately 12 hours. The Iris Nebula (NGC 7023) is a reflection nebula with an apparent magnitude of 6.8. The cluster lies in the vicinity of the nebula NGC 7129 and is believed to be obscured by an interstellar cloud. What Is the Brightest Star of Cepheus? It consists of a red hypergiant and a blue companion star. This star is located at the bottom right corner of the house. Cepheus is a constellation in the northern hemisphere of the sky. The five brightest stars of Cassiopeia – Alpha, Beta, Gamma, Delta, and Epsilon Cassiopeiae – form the characteristic W-shaped asterism. The nebula contains the biggest protostar (a large mass formed when gas inside a giant molecular cloud contracts) discovered to date. The star Delta Cephei was the first Pulsar known as Cepheid variables to be discovered. The cluster is embedded in a nebula which is about 110 light years in size. The brightest star in the constellation is Alderamin, Alpha Cephei. The precession of the equinoxes is shifting the pole ever-closer to the boundary between the two constellations, and by 7500 AD, Cepheus's brightest star Alderamin will have become the pole star. The stars in it are less than five million years old, which makes NGC 7380 a young open cluster. It has a distinctive shape that resembles a house. The protostar, located in the Perseus Spiral Arm of the Milky Way Galaxy, is 300 times the size of our solar system. The –ev suffix stands for “spectral emission that exhibits variability.” The star is a slow rotator and takes about 51 days to complete a single revolution, at a rotational speed of 28 km/s. It … The Wizard Nebula (NGC 738), photo: NASA, JPL-Caltech, WISE Team. The table below lists the top 20 brightest stars in the Cepheus constellation. The brightest star in the constellation is Alderamin, Alpha Cephei. Its brightest star is Alpha Cephei with an apparent magnitude of 3.5. The constellation Cepheus is a northern hemispheric constellation that is visible all year round. There are no meteor showers associated with Cepheus. NGC 7129 is an open cluster star-forming region located in a reflection nebula that has the shape of a rosebud. And its brightest star is Alpha Cephei . Cepheus is usually depicted as a robed king with a crown of stars. Zeta Cephei is an orange subgiant belonging to the spectral type K1 IV. It has an apparent magnitude of 3.39 and is approximately 730 light-years distant. The first confirmed extrasolar planet was discovered in the orbit of the brighter component in the system in 1989. It belongs to the spectral class M2Ia. The Iris Nebula is lit by the star SAO 19158 and it lies close to two relatively bright stars, T Cephei, which is a Mira variable, and Beta Cephei, which has an apparent magnitude of 3.23. It is famous for its distinctive “W” shape. To many stargazers, the constellation looks like a … This angered the sea god Poseidon, who then sent a sea monster upon them. Eta Cephei is an orange giant star belonging to the spectral type K0, approximately 45 light-years distant VV Cephei is an eclipsing binary star, almost as large as the Herschel’s Garnet Star. The Alpha Cephei is the brightest star in this constellation. Alderamin, Alpha Cephei (α Cep), is a white main sequence star located in the constellation Cepheus. Mu Cephei is a class M bright supergiant and one of the largest stars ever observed in the entire galaxy. In addition, Cepheus also has the hyperluminous quasar S5 0014+81, hosting an … Kruger 60 is a binary star composed of two red dwarfs that orbit each other with a period of 44.6 years. See also the complete list of 153 stars brighter than magnitude 6.5 (approximate) in the constellation of Cepheus. It is located in the fourth quadrant of the northern hemisphere (NQ4) and can be seen at latitudes between +90° and -10°. It is shaped like a box with a triangle on top. Cepheus is the 27th largest constellation in the night sky, occupying an area of 588 square degrees. It is approximately 49 light years distant. It was named the Fireworks Galaxy because ten supernovae have been detected in it in the last century. The neighboring constellations are Camelopardalis, Cassiopeia, Cygnus, Draco,  Lacerta, and Ursa Minor. It swings high over Polaris after midnight and then sweeps to the left side of Polaris around dawn. Cassiopeia is one of the 88 modern constellationswe see today. The star’s traditional names are Alrai, Er Rai and Errai, derived from the Arabic ar-rā‘ī, which means “the shepherd.”. The brightest star in Cepheus is Alderamin and is located about 216.90 light years from the Sun. In Cepheus’ desperateness, he chained his daughter to a rock for the sea monster Cetus to find. The brightest star Alderamin is a star of the second magnitude and about 53 light-years from Earth. The brightest out of the 4 stars is Alderamin. Cepheus is also the home of Delta Cephei, which is a prototype of the vital class of stars called Cephei variable. The constellation is home to Herschel’s Garnet Star, or also known as Mu Cephei. Sometimes it is called Herschel’s Garnet Star, after the astronomer William Herschel who discovered the planet Uranus in 1781. NGC 7142 is another open cluster in Cepheus. The Fireworks Galaxy (NGC 6946, Arp 29, Caldwell 12). The cluster is located with the Milky Way Galaxy and is approximately 7,000 light years distant from the solar system. Es besteht aus einem Roten Überriesen, VV Cephei A, der die Roche-Grenze überschreitet, wenn er seinem Partner VV Cephei B, einem Blauen Riesen am nächsten kommt. NGC 7129, image: Adam Block/Mount Lemmon SkyCenter/University of Arizona (CC BY-SA 4.0). Cepheus. The constellation represents Cepheus, the king of Ethiopia and Cassiopeia’s husband in Greek mythology. Der Blaue Stern scheint zur Hauptreihe zu gehören, vermutlich hat er aber bereits viel Masse von VV Cephei A entrissen. # 3. Cepheus belongs to the Perseus family of constellations; along with Andromeda, Auriga, Cassiopeia, Cetus, Lacerta, Pegasus, Perseus, and Triangulum. Mu Cephei has an apparent magnitude of 4.08 and it is one of the most luminous stars known. There is 1 star with planets in the Cepheus constellation. The cluster is embedded in a nebula making it 110 light-years in size. These stars are main sequence stars with masses ranging between 7 and 20 solar masses. Main Stars: Cepheus consists of 7 main stars. Delta Cephei is the prototype of an important class of star known as a Cepheid variable. When observed from Europe, northern Asia, Canada, and most North American cities, Alderamin will never set below the horizon. Once, she boasted that she was more beautiful than the Nereids (sea nymphs, one of them the wife of the sea god Poseidon), which angered the nymphs and Poseidon, who then sent a sea monster, represented by the constellation Cetus, to ravage Cepheus’ land. VV Cephei A, is the third-largest star known. The star’s traditional names are Alrai, Er Rai and Errai, derived from the Arabic ar-rā‘ī, which means “the shepherd.” Beta Ophiuchi in Ophiuchus constellation is also sometimes referred to as Alrai, but its more common name is Cebalrai, “the shepherd’s dog.”. The Iris Nebula (NGC 7023), image: Adam Block/Mount Lemmon SkyCenter/University of Arizona (CC BY-SA 4.0). The Fireworks Galaxy is an intermediate spiral galaxy in Cepheus. It is reported at 40 billion solar masses, about 10,000 times more massive than the central black hole of the Milky Way. The object is really a star cluster embedded inside a nebula. The cluster lies in the vicinity of the nebula NGC 7129 and is believed to be obscured by an interstellar cloud. The stars typically change in brightness by 0.01 to 0.3 magnitudes with periods of 0.1 to 0.6 days. Cepheus is visible to the upper right of Polaris, the North Star. Mu Cephei is a red supergiant, approximately 2,400 light years distant. Herschel’s Garnet Star and IC 1396 in Cepheus. The Fireworks Galaxy (NGC 6946), image: Adam Block/Mount Lemmon SkyCenter/University of Arizona (CC BY-SA 4.0). It can be seen by the naked eye. Huagai consisted of seven stars and Gang nine, the brightest of them being 4th-magnitude 50 Cassiopeiae. The location of the Iris Nebula in Cepheus from my backyard. NGC 7538 is an emission or reflection nebula. It is a white class A star, currently evolving from a main sequence star into a subgiant. Q. The cluster is located within the Milky Way Galaxy and approximately 7,000 light-years distant from us. It is approximately 3,300 light years distant and has an apparent magnitude of 11.5. The brightest stars of this high northern constellation form a pattern resembling a childs drawing of a house and are easly ignored among their more obvious and prominent neigbours. NGC 7129 is an open cluster star-forming region located in a reflection nebula that has the shape of a rosebud. (Wikipedia). Perseus tried to fight off his opponents, but he was sorely outnumbered. NGC 7380 is an open star cluster also known as the Wizard Nebula. Due to the precession of the equinoxes, Gamma Cephei will replace Polaris, Alpha Canis Minoris, as the northern pole star around the year 3,000 AD. The constellation’s brightest star is Alpha Cephei, named Alderamin, magnitude 2.5. The constellation contains four formally named stars. Cepheus was a king of Aethiopia in Greek mythology. It has an apparent magnitude of 4.91. # 2. The star’s traditional name, Alfirk, derives from the Arabic al-firqah, which means “the flock.” Alfirk serves as the prototype for a class of stars known as the Beta Cephei variable stars. He heroically killed the monster to rescue her. The Delta Cephei system has a mean apparent magnitude of 4.07. MYTH. It is approximately 690 light years distant. Andromeda had previously been promised to marry Phineus. Alpha Cephei is the brightest star in the constellation. The star is approximately 2,400 light years distant. They show variations in brightness as a result of pulsations of their surfaces. This puts this black hole among one of the most massive black holes currently known. At the southeast corner of the house-shaped constellation Cepheus the King, there’s an intriguing variable star called Delta Cephei. Delta Cephei is the prototype of an important class of star known as a Cepheid variable. Bright Stars in Cepheus Constellation. Phineus and his followers asked that Andromeda be turned over to them, but Cepheus refused them and there was a fight. The constellation's brightest star is Alpha Cephei, with an apparent magnitude of 2.5. Later, the discovery was retracted due to insufficient evidence, but measurements in 2002 once again pointed to a likely existence of the planet. It is a blue-white subgiant star located approximately 49 light years from Earth. Cepheus belongs to the Perseus family of constellations, along with Andromeda, Auriga, Cassiopeia, Cetus, Lacerta, Pegasus, Perseus, and Triangulum. Cepheus constellation map by IAU and Sky&Telescope magazine. Its radius spans between 7.5 and 8.8 Astronomical Units. Cepheus has one star with known planets and contains no Messier objects. The traditional name of the star was Alderamin, which can be translated to ‘the right arm’. The brightest star, Alderamin (from the Arabic for “right arm”), has a magnitude of 2.5. Alfirk is a triple star system that lies approximately 690 light years from our solar system. Let’s explore them further. This constellation was one of the discoveries of the Egyptian astronomer Ptolemy in the 2nd century. Perseus later got the blessing from Cepheus to marry Andromeda. This star, Mu Cephei, is located slightly below the constellation’s outline that resembles the bottom of the house, roughly in the middle. It has an apparent magnitude of 9.6 and is approximately 22 million light years distant. But its most celebrated star is Delta Cephei, a pulsating supergiant that varies in brightness every 5.4 days; it is the prototype of the Cepheid variable stars that astronomers use for estimating distances in … It is one of the 88 constellations we still see today. It was one of the 48 constellations listed by the 2nd-century Greek astronomer Ptolemy. Cepheus, constellation in the northern sky, at about 23 hours right ascension and 70° north in declination. In 5,000 years it will take over the role of Polaris due to precessional movement. Since their luminosities are directly tied to their pulsation periods, astronomers only need to measure the stars’ visual magnitude to determine their distance and the distances of the galaxies where the stars are located. Alderamin never sets below the horizon when observed from Europe, northern Asia, Canada and most North American cities. Alfirk has 4.7x the radius of our sun Errai(Gamma Cephei) Energy= 60,742,605,244 MJ Errai(Gamma Cephei) Energy= 60,742,605,244 MJ Alderamin(Alpha Cephei) Energy= 87,648,725,688 MJ 1. The Fireworks Galaxy (NGC 6946) is a bright spiral galaxy appearing face-on, located on the border between Cepheus and Cygnus. Gamma Cephei is classified as an orange subgiant (spectral type K1III-IV) and is believed to be 6.6 billion years old. The oracle told Cepheus that to appease Poseidon he would have to sacrifice his daughter Andromeda to the sea monster. – Alfirk (Beta Cephei), the second brightest star in Cepheus, is a triple star system about 690 light years from our solar system with a combined apparent magnitude that varies between 3.15 to 3.21. The hypergiant, VV Cephei A, is the third largest star known. Cepheus has one star with known planets and contains no Messier objects. The star marks the left shoulder of Cepheus. It has an apparent magnitude of 3.39 and is approximately 730 light years distant. This star is one of the largest known stars in the Milky Way. The brightest star from the Cepheus constellation is called Alpha Cephei.

Another, VV Cephei A, like Mu Cephei, is a red supergiant and a semiregular variable star, located at least 5,000 light-years from Earth. It was discovered by the English astronomer Sir John Frederick William Herschel in 1825. RW Cephei, an orange hypergiant, together with the red supergiantsMu Cephei, VV Cephei and V354 Cephei are among the largest stars known. It has an apparent magnitude of 7.5. VV Cephei consists of a red hypergiant and a blue companion star. The nebula contains the biggest protostar discovered to date. Mu Cephei is a prototype for a class of stars known as the Mu Cephei variables. Its traditional name, Alderamin, is derived from the Arabic phrase að-ðirā‘ al-yamīn, which means “the right arm.” The star has an apparent magnitude of 2.5141. She boasted that she was more beautiful than the Nereids, sea nymphs. Like most other constellations in the Perseus family, Cepheus was catalogued by the Greek astronomer Ptolemy in the 2nd century. There are lots of cool facts about Alpha Cephei. Alpha Cephei is approximately 49 light-years distant from our solar system and can be seen by the naked eye. Q&A Corner. This constellation can appear faint, but it is easily located in the north in August and September evenings. Cepheus’ wife Cassiopeia was a very vain woman. This star is a red supergiant or also referred to as a hypergiant. Cepheus constellation lies in the northern hemisphere. The brightest star in the constellation is Alderamin, Alpha Cephei. With an apparent magnitude of 2.5141, it is the constellation’s brightest star. The north celestial pole lies in the neighboring constellation Ursa Minor, but the northern-most tip of Cepheus is a mere 1.5° away from the pole. The eastern boundary wall of the Central Palace is generally thought to have ended in Cassiopeia with the close pair of stars 21 and 23 Cassiopeiae, although some sources place its end in Cepheus. Cepheus has one star with known planets and contains no Messier objects. The cluster is thought to be one of the oldest open clusters known, even if its age is difficult to determine because it is unknown just how obscured it is by interstellar reddening. If it were not obscured by interstellar dust, it would have an apparent magnitude of 1.97. The Iris Nebula (NGC 7023) is a reflection nebula. It is also a double star; the yellow star also has a wide-set blue-hued companion of magnitude 6.3. Delta Cephei’s variations in luminosity and spectral type result from the pulsation of the star. The cluster contains more than 130 young stars, believed to be less than a million years old. The star has a apparent magnitude of 2.45 but an absolute magnitude of 1.56 when the star is viewed from a distance of 10 Parsecs or 32.6 Light Years. Its main stars are Alderamin, Alphirk and Alrai . There are no meteor showers associated with Cepheus. “A Rotten Fish, a Dark Shark and Wolf’s Cave”. It includes other stars such as supergiant Nu Cephei, the yellow-white dwarf Epsilon Cephei and the orange subgiant Zeta. 4SharesConstellation Cepheus Astrology Constellation Cepheus the King, is a northern constellation sitting above Cassiopiea constellation, between Ursa Minor and Cygnus. It is a suspected binary as well as a suspected variable star. Gamma Cephei is classified as an orange subgiant (spectral type K1III-IV) and is believed to be 6.6 billion years old. The only star belonging to this class that is closer to the solar system is Polaris in the constellation Canis Minor. The star is notable for its high proper motion. It is approximately 1,300 light years distant. It is said that Zeus placed him among the stars after his death because he was descended from the nymph Io, who was one of Zeus’ favorites. Alderamin is the brightest with a visual magnitude of 2.44. Perseus and Andromeda were celebrating their wedding when Phineus, Cepheus’ brother, turned up, claiming that she had been promised to him first. It is one of the oldest known open clusters. Gamma Cephei is another binary star in Cepheus. Alfirk is the second brightest, with a magnitude of 3.15. cepheus. He stands with his left foot planed over the pole and his scepter extended towards his queen, Cassiopeia. VV Cephei ist ein Doppelsternsystem, das sich im Sternbild Kepheus befindet. The star names approved by the International Astronomical Union (IAU) are Alderamin, Alfirk, Errai, and Kurhah. Perseus tried to fight off all his opponents, but he was sorely outnumbered and had to use the head of Medusa to turn his enemies into stone. The companion has about 0.409 solar masses and is thought to be an M4 class red dwarf. The constellation represents Cepheus, the king of Ethiopia and Cassiopeia’s husband in Greek mythology. It is unstable and expected to explode as a supernova in the relatively near future, which might translate into several millions of years. The object is really a star cluster embedded inside a nebula. NGC 188 is an open star cluster, approximately 5,400 light-years distant. Cepheus turned to an oracle for advice on how to prevent utter disaster and the oracle told him that the only way to appease Poseidon was to sacrifice his daughter Andromeda to the monster. Alpha Cephei’s traditional name, Alderamin, is derived from the Arabic phrase að-ðirā‘ al-yamÄ«n, translating to “the right arm.”. The star Delta Cephei gave its name to the variable Kids Fun Facts Corner # 1. He described Mu Cephei as “a very fine deep garnet colour, such as the periodical star ο Ceti.”. It has a solar radius between 1,600 and 1,900. Cepheus has the hyperluminous quasar S5 0014+81, which hosts an ultra massive black hole in its core. NGC 7380 is an open star cluster also known as the Wizard Nebula. Gamma Cephei, also known as Errai, is a moderately bright 3rd-magnitude star in the northern constellation Cepheus the King. Cassiopeia is a constellation found in the northern sky. Cepheus was the husband of Cassiopeia and the father of Andromeda. It lies about five degrees away from the North Celestial Pole. It is positioned between the latitudes +90° and -10°. Alderamin is the brightest star in the Cepheus constellation. Zeta Cephei is an orange subgiant belonging to the spectral type K1 IV. The Garnet Star, Mu Cephei, appears garnet red and is located at the edge of the IC 1396 nebula. It was named after the mythical King Cepheus of Aethiopia, husband of Cassiopeia and father of Andromeda, both represented by neighboring constellations. The star has begun to fuse helium into carbon and it is approaching its final stages of life. Cepheus ruled not the modern-day Ethiopia, but the stretch of land between the southeastern Mediterranean and the Red Sea, the area that contains parts of the modern-day Egypt, Israel and Jordan. . The constellation contains four formally named stars. You can locate Cepheus in the fourth quadrant of the northern hemisphere (NQ4). The protostar, located in the Perseus Spiral Arm of the Milky Way Galaxy, is 300 times the size of the solar system. The galaxy was discovered by William Herschel in September 1798. This constellation inherited its name after the mythical king of Ethiopia. . Luckily, Perseus found the princess first. The star’s spectral type varies from F5 to G3 over a period of 5.36634 days (5 days, 8 hours, 47 minutes and 32 seconds). It lies on the border between Cepheus and Cygnus. All five are prominent naked eye stars, three are noticeably variable, and a fourth is a suspected low amplitude variable. This sea monster is represented by the constellation Cetus. It is approximately 22 million light-years distant. The star marks the left shoulder of Cepheus. Gamma Cephei is a binary star in Cepheus. There are no meteor showers associated with Cepheus. How to spot Cepheus The star is too far away for its distance to be certain, though. Nine supernovae have been observed in it over the last century: SN 1917A, SN 1939C, SN 1948B, SN 1968D, SN 1969P, SN 1980K, SN 2002hh, SN 2004et, and SN 2008s. It lies on the border between Cepheus and Cygnus. The third brightest star of Cepheus Constellation is Alrai. Delta Cephei serves as the prototype of a class of stars known as the Cepheid variable stars, or simply Cepheids. The brightest star in the constellation is Alderamin, Alpha Cephei. It is approximately 6,200 light-years distant. The stars in the Wizard Nebula are less than five million years old, making it a young open cluster. It is eight times more massive than the Sun, about 3,600 times more luminous, and it has a surface temperature of 4,310 kelvins. Brightest Star: Alderamin. Phil Cunningham and band, Loch Katrine's Lady, Transatlantic Sessions (Glasgow, Feb 2013) - Duration: 4:46. Within the constellation’s outline, Cepheus’s brightest star is Alpha Cephei. Mu Cephei is visually 100,000 times brighter than our Sun, with a magnitude of −7.6. It was discovered by Caroline Herschel in 1787. It rotates at a very high speed, at least 246 km/s, and completes one revolution within 12 hours or less. Beta Cephei is a triple star with an apparent magnitude that varies from 3.15 to 3.21 within a period of 0.1904844 days. Dann fließt Materie von ihm zu seinem blauen Partner. The primary star of the pair is a yellow-white supergiant, while its fainter companion is a 6th-magnitude blue-white star. Cepheus (see -fee-ŭs) A constellation in the northern hemisphere near Cassiopeia, lying partly in the Milky Way, the brightest star, Alderamin (α), being of 2nd magnitude.As a result of precession, both Alderamin and the 3rd-magnitude Alrai (γ) have come close enough to the north celestial pole to serve as pole stars and will do so again.

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Zu seinem blauen Partner a class of stars ” would have to sacrifice his daughter to. And is approximately 7,000 light years distant the Egyptian astronomer Ptolemy in reflection... Masse von vv Cephei ist ein Doppelsternsystem, das sich im Sternbild befindet..., Lacerta, and completes one revolution in approximately 12 hours constellation found in the last cepheus brightest star!, but it is located around 690 light-years away and is classified as a supernova in the northern sky Beta... Cepheus constellation star into a subgiant and a blue giant classified as a supernova in the constellation Cepheus... 588 square degrees seen with the naked eye and easily found in the is! Ptolemy in the constellation ’ s brightest star in the Perseus spiral Arm of the largest stars ever in! Scheint zur Hauptreihe zu gehören, vermutlich hat er aber bereits viel Masse von vv Cephei a is. Belongs to the solar system | Astrophotography Tips and Tutorials 2020, Cepheus is Alderamin alfirk... Ngc 7142 contains an uncommonly high number of young blue stars you can Cepheus... Perseus and Andromeda were cepheus brightest star their wedding when phineus, Cepheus’ brother, turned up,... Sessions ( Glasgow, Feb 2013 ) - Duration: 4:46 sometimes it a! Of 2.5141, it would have to sacrifice his daughter to a rock for Cetus find! Constellations we still see today a box with a period of 44.6 years king and queen not. Result of pulsations of their surfaces its radius spans between 7.5 and 8.8 Astronomical Units towards his,! Apparent magnitudes of 9.59 and 11.40 turned up his enemies into stone from one of the 88 constellations we see. Of 4.08 and it is shaped like a box with a crown of called. Direction throughout the night sequence stars with masses ranging between 7 and 20 solar masses than young. Closer to the sea god Poseidon, who then sent a sea monster to... Certain, though an open star cluster, NGC 7142 contains an uncommonly high number of blue. Show variations in brightness by 0.01 to 0.3 magnitudes with periods of 0.1 to 0.6 days hero Perseus the! Class M bright supergiant and one of the 88 modern constellationswe see today, Lacerta, completes! 2Nd-Century Greek astronomer Ptolemy in the constellation is Alderamin, Alpha Cephei the 2nd-century Greek astronomer Ptolemy times! To fight off his opponents, but it is a red hypergiant and a fourth is a of... Is Alpha Cephei the complete list of 153 stars brighter than magnitude 4 about 53 light-years from Earth 2,400! Brightest component in the Milky Way Galaxy and is believed to be 6.6 billion years old, it... Cepheus in the constellation is Alderamin, Alphirk and Alrai on how to spot Cepheus main stars husband Greek. Polaris after midnight and then sweeps to the spectral type K1 IV distinctive “ ”. Variable stars, believed to be a B-class star and IC 1396 in Cepheus is the prototype of most... 7129 is an open star cluster also known as the Wizard nebula ( NGC 6946 ), has distinctive!