The constellation is home to VV Cephei and the Garnet Star (Mu Cephei), both among the largest known stars in the Milky Way, and to several well-known deep sky objects: the Wizard Nebula, the Iris Nebula, and the Fireworks Galaxy. It was discovered by Caroline Herschel in 1787. Its main stars are Alderamin, Alphirk and Alrai . Alderamin never sets below the horizon when observed from Europe, northern Asia, Canada and most North American cities. At the southeast corner of the house-shaped constellation Cepheus the King, there’s an intriguing variable star called Delta Cephei. 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. Photo by Jan Schubert. The cluster lies in the vicinity of the nebula NGC 7129 and is believed to be obscured by an interstellar cloud. Gamma Cephei is a binary star in Cepheus. It … In Cepheus’ desperateness, he chained his daughter to a rock for the sea monster Cetus to find. 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. The star names approved by the International Astronomical Union (IAU) are Alderamin, Alfirk, Errai, and Kurhah. It is unstable and expected to explode as a supernova in the relatively near future, which might translate into several millions of years. It lies about five degrees away from the North Celestial Pole. This constellation can appear faint, but it is easily located in the north in August and September evenings. The Fireworks Galaxy is an intermediate spiral galaxy in Cepheus. The third brightest star of Cepheus Constellation is Alrai. V381 Cephei is a red supergiant with an apparent magnitude of 5.66, approximately 3,663 light-years distant. You can locate Cepheus in the fourth quadrant of the northern hemisphere (NQ4). The hypergiant, VV Cephei A, is the third largest star known. There is 1 star with planets in the Cepheus constellation. The star Delta Cephei gave its name to the variable 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. Alfirk is the second brightest, with a magnitude of 3.15. The constellation represents Cepheus, the king of Ethiopia and Cassiopeia’s husband in Greek mythology. Cepheus contains three stars brighter than magnitude 4. Zeta Cephei is an orange subgiant belonging to the spectral type K1 IV. It includes other stars such as supergiant Nu Cephei, the yellow-white dwarf Epsilon Cephei and the orange subgiant Zeta. Phineus and his followers asked that Andromeda be turned over to them, but Cepheus refused them and there was a fight. It has an apparent magnitude of 7.5. It is a yellow-hued supergiant star 980 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. It was discovered by Caroline Herschel in 1787. The Fireworks Galaxy (NGC 6946), image: Adam Block/Mount Lemmon SkyCenter/University of Arizona (CC BY-SA 4.0). There are no meteor showers associated with Cepheus. The constellation contains four formally named stars. 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. Perseus and Andromeda were celebrating their wedding when Phineus, Cepheus’ brother, turned up, claiming that she had been promised to him first. Alfirk (Beta Cephei) is located around 690 light-years away and is classified as a triple star. NGC 188 is an open star cluster, approximately 5,400 light-years distant. Alderamin is the brightest star in the Cepheus constellation. It has an apparent magnitude of 4.91. The stars in it are less than five million years old, which makes NGC 7380 a young open cluster. All five are prominent naked eye stars, three are noticeably variable, and a fourth is a suspected low amplitude variable. Constellation Cepheus Stars 24 ♓ 34 04 ♈ 39 04 ♈ 50 09 ♈ […] Cassiopeia is one of the 88 modern constellationswe see today. cepheus. It has an apparent magnitude of 3.39 and is approximately 730 light years distant. (Wikipedia). The five brightest stars of Cassiopeia – Alpha, Beta, Gamma, Delta, and Epsilon Cassiopeiae – form the characteristic W-shaped asterism. Zeus placed him in the sky after his tragic death because he was descended from one of Zeus’ loves, the nymph Io. Cepheus is a constellation in the northern sky, named after Cepheus, a king of Aethiopia in Greek mythology.. Cepheus was one of the 48 constellations listed by the second century astronomer Ptolemy, and it remains one of the 88 constellations in the modern times.. Cepheus was one of the 48 constellations listed by the second-century astronomer Ptolemy. Cepheus is visible to the upper right of Polaris, the North Star. It is one of the oldest known open clusters. 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. Cepheus has one star with known planets and contains no Messier objects. Sometimes it is called Herschel’s Garnet Star, after the astronomer William Herschel who discovered the planet Uranus in 1781. The brighter component of the binary is classified as a yellow-white F-class supergiant. It has an apparent magnitude of 3.22 and is approximately 45 light years distant. MYTH. The brightest star in Cepheus is Alderamin and is located about 216.90 light years from the Sun. The nebula contains the biggest protostar (a large mass formed when gas inside a giant molecular cloud contracts) discovered to date. This star is located at the bottom right corner of the house. Cepheus. 4SharesConstellation Cepheus Astrology Constellation Cepheus the King, is a northern constellation sitting above Cassiopiea constellation, between Ursa Minor and Cygnus. Cassiopeia was a very vain woman. This star rotates at a very high speed, at least 246 km/s, and completes one revolution in approximately 12 hours. 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. Martin Snodin 119,120 views Q&A Corner. The galaxy was discovered by William Herschel in September 1798. It consists of a red hypergiant and a blue companion star. 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. Cepheus was a king of Aethiopia in Greek mythology. VV Cephei is an eclipsing binary star, almost as large as the Garnet Star. 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. Kruger 60 is a binary star composed of two red dwarfs that orbit each other with a period of 44.6 years. Perseus and Andromeda were celebrating their wedding when Phineus, Cepheus’ brother, turned up. 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 … “A Rotten Fish, a Dark Shark and Wolf’s Cave”. Click on each star to see more details about it. The traditional name of the star was Alderamin, which can be translated to ‘the right arm’. 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. The brightest star in the constellation is Alderamin, Alpha Cephei. It is approximately 3,300 light years distant and has an apparent magnitude of 11.5. In 5,000 years it will take over the role of Polaris due to precessional movement. The constellation is home to Herschel’s Garnet Star, or also known as Mu Cephei. The neighboring constellations are Camelopardalis, Cassiopeia, Cygnus, Draco,  Lacerta, and Ursa Minor. The brightest star in the constellation is Alderamin, Alpha Cephei. The cluster lies in the vicinity of the nebula NGC 7129 and is believed to be obscured by an interstellar cloud. Mu Cephei is a class M bright supergiant and one of the largest stars ever observed in the entire galaxy. This angered the sea god Poseidon, who then sent a sea monster upon them. Alderamin is the brightest with a visual magnitude of 2.44. The nebula contains the biggest protostar discovered to date. 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. Within the constellation’s outline, Cepheus’s brightest star is Alpha Cephei. VV Cephei ist ein Doppelsternsystem, das sich im Sternbild Kepheus befindet. Delta Cephei is the prototype of an important class of star known as a Cepheid variable. It has a distinctive shape that resembles a house. NGC 7142 is another open cluster in Cepheus. Cepheus was the husband of Cassiopeia and the father of Andromeda. There are lots of cool facts about Alpha Cephei. Cepheids are dying high-mass stars that are luminous enough to be seen with the naked eye and easily found in the neighbouring galaxies. 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). He stands with his left foot planed over the pole and his scepter extended towards his queen, Cassiopeia. With an apparent magnitude of 2.5141, it is the constellation’s brightest star. Gamma Cephei, also known as Errai, is a moderately bright 3rd-magnitude star in the northern constellation Cepheus the King. The Wizard Nebula (NGC 738), photo: NASA, JPL-Caltech, WISE Team. 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. Alpha Cephei’s traditional name, Alderamin, is derived from the Arabic phrase að-ðirā‘ al-yamÄ«n, translating to “the right arm.”. 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. Its brightest star is Alpha Cephei with an apparent magnitude of 3.5. There are no meteor showers associated with Cepheus. It lies approximately 891 light years from the solar system. It is one of the oldest known open clusters. The stars typically change in brightness by 0.01 to 0.3 magnitudes with periods of 0.1 to 0.6 days. Alderamin, The brightest star in Cepheus, is 2.3x the radius of our sun, 1.74x the mass. It rotates at a very high speed, at least 246 km/s, and completes one revolution within 12 hours or less. The primary star of the pair is a yellow-white supergiant, while its fainter companion is a 6th-magnitude blue-white star. The Iris Nebula (NGC 7023) is a reflection nebula with an apparent magnitude of 6.8. How to spot Cepheus Unfortunately, the king and queen did not look away from the Gorgon’s head in time and were turned to stone, too. Bright Stars in Cepheus Constellation. It has an apparent magnitude of 3.39 and is approximately 730 light-years distant. Delta Cephei is a double star with an apparent magnitude varying between 3.48 and 4.37. Alpha Cephei is approximately 49 light-years distant from our solar system and can be seen by the naked eye. This constellation was one of the discoveries of the Egyptian astronomer Ptolemy in the 2nd century. It is approximately 22 million light-years distant. The Delta Cephei system has a mean apparent magnitude of 4.07. It is also a double star; the yellow star also has a wide-set blue-hued companion of magnitude 6.3. Cepheus is the 27th largest constellation in the night sky, occupying an area of 588 square degrees. 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. Cassiopeia is a constellation found in the northern sky. It lies on the border between Cepheus and Cygnus. It has a diameter of 1.753 billion km. The constellation represents Cepheus, the king of Ethiopia and Cassiopeia’s husband in Greek mythology. Kruger 60 is a binary star composed of two red dwarfs that orbit each other with a period of 44.6 years. The galaxy was discovered by William Herschel in September 1798. It is one of the 88 constellations we still see today. The star Delta Cephei was the first Pulsar known as Cepheid variables to be discovered. Mu Cephei is a prototype for a class of stars known as the Mu Cephei variables. The Cassiopeia constellation gets its nam… Gamma Cephei is another binary star in Cepheus. # 2. The star is too far away for its distance to be certain, though. In about 88,600 years, Kruger 60 will make its closest approach to the solar system and come within 1.95 parsecs. The brightest star from the Cepheus constellation is called Alpha Cephei. It was named the Fireworks Galaxy because ten supernovae have been detected in it in the last century. 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. When observed from Europe, northern Asia, Canada, and most North American cities, Alderamin will never set below the horizon. 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. Das Doppelsystem ist etwa 4900 Lichtjahre von unserer Erde entfernt. The orange hypergiant, RW Cephei, is one of the largest stars known to the human race. The stars have apparent magnitudes of 9.59 and 11.40. 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.

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. Delta Cephei’s variations in luminosity and spectral type result from the pulsation of the star. Mu Cephei is visually 100,000 times brighter than our Sun, with a magnitude of −7.6. The brightest out of the 4 stars is Alderamin. Cepheus is usually depicted as a robed king with a crown of stars. The cluster contains more than 130 young stars, believed to be less than a million years old. It has an apparent magnitude of 9.6 and is approximately 22 million light years distant. “The King with a Crown of Stars”. Based on my research on Cepheus, over time the constellation has … NGC 7538 is an emission or reflection nebula, approximately 9,100 light years distant. Cepheus’ wife Cassiopeia was a very vain woman. The stars name derives from the Arabic for “The Right Arm”.

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. Cepheus belongs to the Perseus family of constellations, along with Andromeda, Auriga, Cassiopeia, Cetus, Lacerta, Pegasus, Perseus, and Triangulum. Delta Cephei serves as the prototype of a class of stars known as the Cepheid variable stars, or simply Cepheids. The star marks the left shoulder of Cepheus. It has a magnitude of 2.5. The Iris Nebula (NGC 7023), image: Adam Block/Mount Lemmon SkyCenter/University of Arizona (CC BY-SA 4.0). Alfirk is a triple star system that lies approximately 690 light years from our solar system. It has a radius 1,650 times that of the Sun, or 7.7 Astronomical Units. 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 The constellation Cepheus contains ten main stars that makes up its shape. NGC 7129 is an open cluster star-forming region located in a reflection nebula that has the shape of a rosebud. The star’s traditional names are Alrai, Er Rai and Errai, derived from the Arabic ar-rā‘ī, which means “the shepherd.”. Cepheus turned to an oracle for advice on how to prevent this disaster. The Garnet Star, Mu Cephei, appears garnet red and is located at the edge of the IC 1396 nebula. The brightest component in the Beta Cephei system, Alfirk A, is a blue giant classified as a B2IIIev class star. The oracle told Cepheus that to appease Poseidon he would have to sacrifice his daughter Andromeda to the sea monster. He described Mu Cephei as “a very fine deep garnet colour, such as the periodical star ο Ceti.”. He heroically killed the monster to rescue her. Der Blaue Stern scheint zur Hauptreihe zu gehören, vermutlich hat er aber bereits viel Masse von VV Cephei A entrissen. Cepheus, constellation in the northern sky, at about 23 hours right ascension and 70° north in declination. It can be seen by the naked eye. The constellation’s brightest star is Alpha Cephei, named Alderamin, magnitude 2.5. The location of the Iris Nebula in Cepheus from my backyard. They show variations in brightness as a result of pulsations of their surfaces. (Wikipedia). Let’s explore them further. Desperate, Cepheus and Cassiopeia did this, leaving their daughter chained to the rock for Cetus to find. . The stars in the Wizard Nebula are less than five million years old, making it a young open cluster. This puts this black hole among one of the most massive black holes currently known. See also the complete list of 153 stars brighter than magnitude 6.5 (approximate) in the constellation of Cepheus. The cluster is embedded in a nebula making it 110 light-years in size. This constellation rotates around Polaris in a counter-clockwise direction throughout the night. It is approximately 690 light years distant. Q. Zeta Cephei is an orange subgiant belonging to the spectral type K1 IV. It has a solar radius between 1,600 and 1,900. It is a white class A star, currently evolving into a subgiant star. It lies on the border between Cepheus and Cygnus. The star system is only 13.15 light-years (4.03 parsecs) distant. It was discovered by the English astronomer Sir John Frederick William Herschel in 1825. NGC 7538 is an emission or reflection nebula. The cluster is located with the Milky Way Galaxy and is approximately 7,000 light years distant from the solar system. The cluster is located within the Milky Way Galaxy and approximately 7,000 light-years distant from us. It is shaped like a box with a triangle on top. Alderamin, Alpha Cephei (α Cep), is a white main sequence star located in the constellation Cepheus. The Alpha Cephei is the brightest star in this constellation. Cepheus is the 27th largest constellation in the night sky, occupying an area of 588 square degrees. NGC 188 is an open star cluster, approximately 5,400 light years distant. Business. Alpha Cephei is the brightest star in the constellation. 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 … Later, the discovery was retracted due to insufficient evidence, but measurements in 2002 once again pointed to a likely existence of the planet. The star system is only 13.15 light years (4.03 parsecs) distant. shining at a magnitude of 4.0 across 5,000 light years. 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. Like most other constellations in the Perseus family, Cepheus was catalogued by the Greek astronomer Ptolemy in the 2nd century. Andromeda had previously been promised to marry Phineus. 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. Gamma Cephei is classified as an orange subgiant (spectral type K1III-IV) and is believed to be 6.6 billion years old. NGC 7380 is an open star cluster also known as the Wizard Nebula. It is reported at 40 billion solar masses, about 10,000 times more massive than the central black hole of the Milky Way. Curiously, for an old cluster, NGC 7142 contains an uncommonly high number of young blue stars. 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. 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. It was named after the mythical King Cepheus of Aethiopia, husband of Cassiopeia and father of Andromeda, both represented by neighboring constellations. There are no meteor showers associated with Cepheus. Eta Cephei is an orange giant star belonging to the spectral type K0, approximately 45 light years distant. Cepheus is a constellation in the northern hemisphere of the sky. Delta Cephei is the prototype of an important class of star known as a Cepheid variable. Huagai consisted of seven stars and Gang nine, the brightest of them being 4th-magnitude 50 Cassiopeiae. The only star belonging to this class that is closer to the solar system is Polaris in the constellation Canis Minor. RW Cephei, an orange hypergiant, together with the red supergiantsMu Cephei, VV Cephei and V354 Cephei are among the largest stars known. The brightest star in the constellation is Alderamin, Alpha Cephei. This constellation inherited its name after the mythical king of Ethiopia. She boasted that she was more beautiful than the Nereids, sea nymphs. It is a white class A star, currently evolving from a main sequence star into a subgiant.

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