Messier 34 is an open cluster with a visual magnitude of 5.5, approximately 1,500 light-years distant. It has a visual magnitude of 3.76 and is about 35,000 times more luminous than the Sun. Sometimes known as h and Chi (χ) Persei, respectively, they are easily visible through binoculars and small telescopes. The star system is the prototype of a group of eclipsing, However, it has a third member making it a triple, which is 3.5 times as massive and 180 times as luminous as the. These two are separated by only 0.05 astronomical units (AU)—five percent of the distance between the Earth and Sun; the main dip in brightness arises when the larger fainter companion passes in front of the hotter brighter primary. The shower is caused by Earth’s passage through debris left over from this comet, which last passed closely by Earth in 1992. The star’s traditional name, Gorgonea Tertia, refers to the myth of Perseus and the Gorgons. The Perseus Constellation Perseus is the 24th largest constellation in the northern sky, named after the Greek mythological hero Perseus. NGC 1260 is a spiral galaxy. The table below lists In 1612, Dutch astronomer Petrus Plancius created the constellation Camelopardalis, the Giraffe, from a jumble of faint stars between Ursa Major and Perseus. Alpha Persei is a supergiant star belonging to the spectral class F5 Ib. Check the visibility of Perseus from your location, complete list of Messier, NGC and IC objects in Perseus, complete The Latin genitive of the constellation name is "Persei" (pronounced ˈpɜːrsiaɪ) Perseus (The Hero) Constellation Perseus (pronounced ˈpɜːrsiəs, -sjuːs) is the Latin name of a large constellation (in fact it extends itself for about 38 degrees across the sky) situated north of the celestial equator. Location. It can be found in NQ1, the first quadrant in the northern hemisphere. Perseus is one of the 48 constellations described by Ptolemy in the Almagest (A.D. 140). It moves at the speed of 92 km/s relative to the Sun. Notable Deep Sky Objects. are associated with the comet Swift-Tuttle, a periodic comet that has an orbital period of about 133 years. Perseus is one of the oldest constellations, having been cataloged by the Greek astronomer Ptolemy in the second century, and it has more than one attraction for stargazers. The constellation Cassiopeia is M- or W-shaped, ascending in the northeast on Northern Hemisphere autumn evenings. You can use an online star chart tool like Stellarium to find the constellation’s exact location. Even though Algol A is more massive, it is still on the main sequence, while Algol B is less massive yet already in the subgiant evolutionary stage. Perseus is the 24th largest constellation in the northern sky, named after the Greek mythological hero Perseus.. Theta Persei is a star system composed of a yellow dwarf of the spectral type F7V and a red dwarf belonging to the class M1V, located about 250 astronomical units from the primary star. Key Facts & Summary. 23 Persei (the 23th star in the constellation of Perseus based on the Flamsteed catalog). In English language this constellation is also known as "The Hero" while in astronomical Latitude: 51° 28’ 47” N The celestial hero Perseus boarders the constellations Aries and Taurus to the south, Auriga to the east, Cassiopeia to the north, and the Andromeda galaxy to the west. Longitude: 0° 00’ 00” E It could be seen throughout the year between +90° and -35°. Directly above Perseus is the constellation Cassiopeia, named after the famous Queen in Greek mythology. Most of the images on this website were captured by myself from a Bortle Scale class 6 backyard. Psi Persei is a main-sequence star belonging to the spectral class B5Ve. by IAU and Sky & Telescope magazine (Roger Sinnott & Rick Fienberg) CC-BY-3.0. The galactic plane of the Milky Way passes through Perseus. It has an apparent magnitude of 3.39 and is about 308 light-years distant. Although there are many stars within the constellation of Perseus, there are roughly 17 stars that constitute the outline of the constellation. Perseus constellation is a unique star’s formation. It is approximately 590 light-years distant. It is classified as a B-class star showing prominent hydrogen emission lines in its spectrum. The Double Cluster (Caldwell 14, NGC 869 & NGC 884). Menkib belongs to the spectral class O7.5III. Click on each star to see more details about it. It is visible at latitudes between 90 degrees and -35 degrees. The brightest component is a blue-white main-sequence star of spectral type B8V, which is 3.5 times as massive and 180 times as luminous as the Sun. Directly above Perseus is the constellation Cassiopeia, named after the famous Queen in Greek mythology. The star is a rapid rotator, with a projected velocity of 190 km s–1. The star has a relatively high proper motion. NGC 1333 is a reflection nebula and a star-forming region in Perseus, located in the Perseus molecular cloud. Perseus is a mid-sized constellation with a total area of 615 square degrees. It is one of the most difficult objects to observe included in Messier’s catalog. Zeta Persei is the third brightest star in the constellation. The discovery of Algol’s binary nature and a closer look at its components shook one of the fundamental beliefs in stellar evolution, which says that stars’ rates of evolution depend on their mass. (*) HR stands for Harvard Revised Bright Star Catalogue, which is also known as the Yale Catalogue of Bright Stars. Eta Persei belongs to the spectral class K3 and is approximately 1331 light-years distant from the solar system. The secondary star belongs in the spectral range between A6 V and K1 V and is much smaller than the primary component. It is a rapid rotator, with an estimated rotational velocity of 390 km/s or more along the equator. It has an apparent magnitude of 2.86 and is approximately 750 light-years distant. approximately placed at the center of the constellation. Origin: Perseus is a very old fall/winter constellation. Both clusters are moving toward us, at a speed of 21 and 22 km/s. Perseus is bordered by Andromeda , Aries , Auriga , Camelopardalis , Cassiopeia , Taurus and Triangulum . It is prominent from dark sites, having 16 stars of fourth magnitude or brighter. The star can be seen without binoculars. It belongs to the Perseus family, which includes Andromeda, Auriga, Cassiopeia, … α Persei (the brightest star of Perseus based on the Bayer catalog); or Each year the Perseid meteor shower appears to radiate from the Perseus constellation during the months of July through August. Perseus is located in the first quadrant of the northern hemisphere (NQ1), and it is prominent during the northern hemisphere’s spring. It is approximately 590 light-years distant. The Spitzer image of the Perseus Molecular Cloud superposed on a much area of the sky in visible light, with constellations marked. The, It is one of the most reliable celestial shows that has been observed for about 2,000 years. Perseus constellation lies in the northern sky, next to Andromeda. Perseus constellation star map. Perseus is a northern constellation which appears highest in the evening sky in the months around November. The system is a wide eclipsing binary star, with the two stars orbiting each other every 14.6 years. It is the the 24th largest constellation in the sky, occupying an area of 615 square degrees. (like Perseus actually is) these times can have little relevance. The system is 36.6 light-years distant. Click on each row to view the object complete details. is a supergiant star belonging to the spectral class F5 Ib. Now is a good time to find the constellations based on the Greek myth of Perseus. The constellation Perseus is shown in the image and parts of last months Cassiopeiaright above (). The two stars are suspected to be physically associated because they share the same proper motion and are on a similar trajectory. The celestial hero Perseus boarders the constellations Aries and Taurus to the south, Auriga to the east, Cassiopeia to the north, and the Andromeda galaxy to the west. From the meteors’ trajectory, the shower appears to originate from the Perseus constellation. Cassiopeia: The Most Beautiful Constellation To The Night Sky. list of 161 stars brighter than magnitude 6.5 (approximate) In mid of December Perseus culminates at 22:00 LT (10 pm). Xi Persei is a blue giant with a visual magnitude of 4.042, approximately 1800 light-years distant from the Sun. This is because the more massive star-filled its Roche lobe when it became a subgiant and most of its mass was transferred to the other star. See also the complete If you find this website useful please consider a small donation that will help covering hosting costs. The two main components in the Epsilon Persei system orbit each other with a period of 14 days. The celestial hero Perseus boarders the constellations, to the south, Auriga to the east, Cassiopeia to the north, and the, It is one of the 48 ancient constellations listed by the 2nd-century, Perseus is best spotted in the northern hemisphere’s fall and winter sky. Mirfak (Algenib) – α Persei (Alpha Persei). It's the center from which the annual Perseid meteor shower, a midsummer spectacle in the Northern Hemisphere, radiates. Credit: NASA/JPL-Caltech It can vary in apparent magnitude from 3.5 to 2.3 over a period of 2.867 days. In the case of the Perseids, the radiant lies in the constellation Perseus in the northern sky. (AU)—five percent of the distance between the Earth and Sun; the main dip in brightness arises when the larger fainter companion passes in front of the hotter brighter primary. The constellation of Perseus is located in the northern celestial hemisphere. Perseus is visible from August to March in the Northern hemisphere. Rho Persei is visible to the naked eye. In the Northern Hemisphere, look to the fall and winter sky after sundown, and you'll see the Perseus constellation. The table below is a complete list of all the 152 deep sky objects belonging to the Messier, New General Catalogue (NGC) and Index Catalogue (IC) catalogues that are present in the Perseus constellation. 3C 83.1B is a radio galaxy in Perseus, located in the Perseus Cluster. 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