It is one of the oldest known open clusters. The star has begun to fuse helium into carbon and it is approaching its final stages of life.
The brightest star in the constellation is Alderamin, Alpha Cephei.
Kappa, omicron and pi Cephei are triple star systems. The oracle told Cepheus that to appease Poseidon he would have to sacrifice his daughter Andromeda to the sea monster. The object is really a star cluster embedded inside a nebula. The brighter component of the binary is classified as a yellow-white F-class supergiant. Cassiopeia's claims of being the greastest beauty angered the sea-nymphs. It has an apparent magnitude of 7.5. Photo by Jan Schubert. It swings high over Polaris after midnight and then sweeps to the left side of Polaris around dawn. The constellation Cepheus is a northern hemispheric constellation that is visible all year round.
It is approximately 1,300 light years distant. Cepheus is the 27th largest constellation in the night sky, occupying an area of 588 square degrees.
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. 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. Gamma Cephei is another binary star in Cepheus. NGC 188 is an open star cluster, approximately 5,400 light years distant. Only four more stars are larger than mu Cephei, and two of those are in the same constellation: VV Cephei A and V354 Cephei. But opting out of some of these cookies may have an effect on your browsing experience. Delta Cephei’s variations in luminosity and spectral type result from the pulsation of the star. V381 Cephei is a red supergiant with an apparent magnitude of 5.66, approximately 3,663 light years distant. Mu Cephei is a prototype for a class of stars known as the Mu Cephei variables. The V354 Cephei star takes 5th place as one of the largest stars and is 657,077,760 miles in radius.
It consists of a red hypergiant and a blue companion star. “A Rotten Fish, a Dark Shark and Wolf’s Cave”. Herschel’s Garnet Star and IC 1396 in Cepheus. The cluster contains more than 130 young stars, believed to be less than a million years old. On the scale of largest-known stars, Cepheus boasts three in the top five! It is a pulsating variable star. The constellation contains four formally named stars. 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). google_ad_client="pub-4520119733373775";google_ad_slot="8113498069";google_ad_width=336;google_ad_height=280; Â© KFS Computers and Affiliates. Cepheus was the husband of Cassiopeia and the father of Andromeda. Zeta Cephei is an orange subgiant belonging to the spectral type K1 IV. It is positioned between the latitudes +90° and -10°. This category only includes cookies that ensures basic functionalities and security features of the website. As luck would have it though, Mu Cephei is a red supergiant, approximately 2,400 light years distant. It is unstable and expected to explode as a supernova in the relatively near future, which might translate into several millions of years. This means it is among the largest known stars.It is in the constellation Cepheus.. Related pages.
Later, he married Andromeda. Cepheus’ wife Cassiopeia was a very vain woman. VV Cephei consists of a red hypergiant and a blue companion star.
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.
The companion has about 0.409 solar masses and is thought to be an M4 class red dwarf. It is a white class A star, currently evolving into a subgiant star. Perseus and Andromeda were celebrating their wedding when Phineus, Cepheus’ brother, turned up, claiming that she had been promised to him first. Although Cepheus is not a very bright constellation, it is located in a rather empty part of the sky near the North Pole, so it is not too difficult to find. It has an apparent magnitude of 3.39 and is approximately 730 light-years distant. The star marks the left shoulder of Cepheus. Cepheus was one of the 48 constellations listed by the second-century astronomer Ptolemy. 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. NGC 7380 is an open star cluster also known as the Wizard Nebula. 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. 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.
The star is approximately 2,400 light years distant. It has an apparent magnitude of 3.39 and is approximately 730 light years distant. This means that it's located near the celestial pole and visible all year round. Cepheus constellation lies in the northern hemisphere. It has a solar radius between 1,600 and 1,900. Any cookies that may not be particularly necessary for the website to function and is used specifically to collect user personal data via analytics, ads, other embedded contents are termed as non-necessary cookies. The Wizard Nebula (NGC 738), photo: NASA, JPL-Caltech, WISE Team. The star’s traditional names are Alrai, Er Rai and Errai, derived from the Arabic ar-rā‘ī, which means “the shepherd.”. Alpha Cephei is approximately 49 light-years distant from our solar system and can be seen by the naked eye. 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 Delta Cephei system has a mean apparent magnitude of 4.07. It was discovered by the English astronomer Sir John Frederick William Herschel in 1825. also visible in the above picture is part of Lacerta. Within the constellation’s outline, Cepheus’s brightest star is Alpha Cephei. It was discovered by Caroline Herschel in 1787. The Fireworks Galaxy (NGC 6946), photo: Simon Driver (St. Andrews). These cookies do not store any personal information. It is approximately 22 million light-years distant. T Cephei; Mu Cephei
In astronomy, a variable star designation is a unique identifier given to variable stars.It uses a variation on the Bayer designation format, with an identifying label (as described below) preceding the Latin genitive of the name of the constellation in which the star lies.
It is a suspected binary as well as a suspected variable star. Cepheus is usually depicted as a robed king with a crown of stars. The constellation is home to Herschel’s Garnet Star, or also known as Mu Cephei.
At 5th magnitude it's hard to spot with the naked eye but is a visual treat in binoculars. Sometimes it is called Herschel’s Garnet Star, after the astronomer William Herschel who discovered the planet Uranus in 1781. 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 hypergiant, VV Cephei A, is the third largest star known. 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.
Luckily, the hero Perseus found the princess first, rescued her and killed the monster. The stars in it are less than five million years old, which makes NGC 7380 a young open cluster.
This star rotates at a very high speed, at least 246 km/s, and completes one revolution in approximately 12 hours.
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