Delphinus, (Latin: “Dolphin”) small constellation in the northern sky at about 21 hours right ascension and 10° north in declination. It is one of the 48 constellations of antiquity described by Ptolemy.The brightest stars of the Dolphin are called Sualocin and Rotanev which, when read backwards, give the name "Nicolaus Venator". Shama is an orange main sequence star of the spectral type K0V. Poseidon sent messengers to find her and bring her to him, among them a dolphin. Delphinus is “the dolphin” and it is one of the smallest constellations. Apollo, god of music and poetry, placed the dolphin among the constellations, along with the lyre of Arion which is represented by the constellation Lyra. Delphinus has adopted best practices in veterinary medicine, training and design of facilities. Delphinus or the Dolphin is a small constellation in the northern hemisphere. Delphinus, (Latin: “Dolphin”) small constellation in the northern sky at about 21 hours right ascension and 10° north in declination. The common dolphin is Delphinus delphi. Delphinus has five stars with known planets and contains no Messier objects. Delphinus is Latin for “dolphin,” and historians have traced the dolphin symbolism back to ancient times. The two were later married. It occupies 8.4′ of the sky. Its estimated age is between 50 and 120 million years. Beta Delphini was discovered to be a binary star in 1873 by the American astronomer S. W. Burnham. In Greek mythology, Delphinus is identified with the dolphin that helped the god Poseidon win over Amphitrite, a Nereid who had been fleeing from his advances. Delpinus is easy to find because its brightest stars form a distinct asterism that represents the celestial dolphin. Rho Aquilae is known by its traditional name, Tso Ke, which means “left flag” in Mandarin. Description of constellation Dolphin (Delphinus), including a list of interesting astronomical objects. The Dolphin (lat. The name ‘Delphinus’ is Latin for ‘dolphin’, usually identified as the messenger of Poseidon, sent to entreat the sea nymph Amphitrite to marry him. It is 40 times more luminous than the Sun. The cluster is part of the galactic halo, a region of the Milky Way spherical in shape and consisting of gas, dark matter and the occasional star cluster. It's brightest star is Rotanev at magnitude 3.63. The system lies at a distance of 101 light years from Earth. In Greek mythology, the constellation represents the dolphin sent by the sea god Poseidon to find Amphitrite, the Nereid he wanted to marry. It was discovered by William Herschel in 1784. Epsilon Delphini is a blue-white giant of the spectral type B6III. Delphinus is a small but distinctive constellation that is visible in the late summer and early autumn months in the northern hemisphere. Constellation Delphinus in the cosmos. It has a visual magnitude of 4.03 and lies at distance of 330 light years. It hosted a Type II supernova, designated SN 2011dk, first observed on May 12, 2011. This sky map shows how the constellation Delphinus the Dolphin at about 10 p.m. Its brightness has been observed to vary from magnitude 3.95 to 4.05. This ranks it 69th in size among the 88 constellations in the night sky. ET in October 2010 to skywatchers in the Northern Hemisphere. NGC 7003 is another spiral galaxy. Articles from Britannica Encyclopedias for elementary and high school students. The sailors allowed this, and Arion’s music drew several dolphins to the ship. The four brightest stars form a diamond-shaped asterism called “Job’s Coffin.” In Greek The star is 4.6 times larger than the Sun and about 676 times more luminous. Delphinus was … degrees of the night sky which equates to 0.46% of the night sky. Delphinus is a small constellation of the northern hemisphere, spotted by Greek astronomer Ptolemy in 2nd century CE. The brightest star in Delphinus is Rotanev, with a magnitude of 3.63. It has an apparent magnitude of 3.617 and lies at a distance of 101 light years from Earth. Delphinus Constellation Map, by IAU and Sky&Telescope magazine. The constellation of Delphinus, the Dolphin, is best viewed in Fall during the month of September. It has a combined apparent magnitude of 3.777 and lies at a distance of 254 light years from Earth. Shama means “flame” or “small lamp.” Both names come from Pakistan. Its name means “dolphin” in Latin. Delphinus contains five formally named stars. According to traditional Chinese uranography, the modern constellation Delphinus is located within the northern quadrant of the sky, which is symbolized as the Black Tortoise of the North (北方玄武, Běi Fāng Xuán Wǔ).. The companion, Gamma2 Delphini, is larger and more massive, with a size of 6.43 solar radii and a mass of 1.72 solar masses. Delta Delphini is a spectroscopic binary star with a combined apparent magnitude of 4.43. The constellation name means The Dolphin . The main pair form a spectroscopic binary star. It has a visual magnitude of 13.76 and an estimated diameter of 80,800 light years. Its time of the year is between and . The name means “moth” in Urdu. The two components are separated by only 0.2 arcseconds and can only be resolved interferometrically. It is a multiple star consisting of a physical pair, designated Alpha Delphini A, and five fainter stars, designated Alpha Delphini B, C, D, E, and F, which are likely optical companions. Sitting between constellations of Pegasus & Aquila, Delphinus is a small northern constellation that lies at the edge of the Milky Way. With an effective temperature of 6,303 K, it is 6.9 times more luminous than the Sun. Alpha (Sualocin), Beta (Rotanev), Gamma and Delta Delphini form the dolphin’s body and Aldulfin (Epsilon Delphini) marks the tail. It is a suspected variable star. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. In this version of the myth, Apollo placed the dolphin next to the constellation Lyra in the sky, and Lyra represents Arion’s lyre. Delphinus constellation is located in the northern sky. The dolphin found the nymph, soothed her and brought her back to the god. Delphinus constellation is located in the northern sky. There are two myths associated with the constellation Delphinus. The deity was in love with Amphitrite, a Nereid, but she was not interested. They orbit each other with a period of 26.66 years. Constellation Delphinus is the closest constellation to Pegasus. The constellation lies along the southern border of the milky way (north of, but close to the celestial equator.) The brightest star in Delphinus is Rotanev, with a magnitude of 3.63. Delphinus? The discovery was announced on February 19, 2008. With an apparent magnitude of 9.10, it is invisible to the naked eye. Aldulfin – ε Delphini (Epsilon Delphini). Delphinus. The constellation Delphinus was also sometimes referred to as Job’s Coffin because of its long, box-like shape. The constellation Delphinus, the dolphin, is visible in late summer from the Northern Hemisphere. Delphinus or the Dolphin is a small constellation in the northern hemisphere. The constellation's two brightest stars are sometimes called Rotanev and Sualocin. NGC 7003, image: Sloan Digital Sky Survey. Later, Arion confronted the sailors and had them sentenced to death. Delphinus (The Dolphin) Constellation Delphinus (pronounced dɛlˈfaɪnəs) is the Latin name of a constellation situated close to the celestial equator. A planet was confirmed to be orbiting Shama in 2006. NGC 6934 is a relatively large globular cluster near the star Epsilon Delphini. Delphinus is the 69th largest in terms of size in the night sky. The system’s brightness varies from magnitude 4.38 to 4.49 over a dominant period of 0.1568 days. It appears close to the star Gamma Delphini. The host star was formally named Shama at the same time. As he played, the dolphins swam alongside the ship and Arion decided to take a leap of faith and he jumped overboard. Omissions? The boundary of the Delphinus constellation contains 5 stars that host known exoplanets. The reason for it being called ‘Delphinus’ meaning dolphin in Latin is, that is represents a dolphin that was sent by Poseidon the sea god to find Amphitrite. They are associated with the ancient Greek musician and poet Arion, whose life was saved by dolphins at sea. When the sea god courted the nymph Amphitrite, one of the Nereids, she resisted his advances and took refuge among her sisters. In Chinese astronomy, the stars of Delphinus are located within the Black Tortoise of the North (北方玄武, Běi Fāng Xuán Wǔ). In Greek Mythology, the Dolphin was a messenger of the sea god Poseidon. Delphinus constellation, plate 13 in Urania’s Mirror (1824). Delphinus takes up 188.549 sq. The star’s name, Aldulfin, comes from its traditional name, Deneb Dulfim, derived from the Arabic ðanab ad-dulfÄ«n, meaning “the dolphin’s tail.” The name was translated into Latin as Cauda Delphini. This northern constellation is known for its close proximity to the celestial equator. The stars have apparent magnitudes of 5.14 and 4.27. It is neither large nor bright, but it is a distinctive constellation and once you find it, you will always remember it. According to the creator of the Ecco series, the stars on Ecco's head are arranged to represent this constellation.. Real Life. Corrections? The star system is about 1.79 billion years old and it consists of a pair of white stars of the spectral types F5 III and F5 IV, a giant and a subgiant. Delphinus, meaning “the dolphin” in Latin, was one of the 48 constellations catalogued by the Greek astronomer Ptolemy in his 2nd century treatise called Almagest. In Chinese astronomy, the stars of Delphinus are located within the Black Tortoise of the North (北方玄武, Běi Fāng Xuán Wǔ). In Chinese astronomy, Left Flag is an asterism formed by Rho Aquilae and several stars in the constellation Sagitta. Aldulfin can be found by extending a line from Vega, one of the three bright stars that form the Summer Triangle, through Albireo, the star at the base of the Northern Cross (or at the beak of the Swan) in Cygnus. It lies at a distance of 223 light years from the Sun. Delphinus is a small northern group of stars, the 69th in order of area of the modern 88 internationally recognised constellations.It is bordered by Sagitta, Aquila, Aquarius, Equuleus, Pegasus and Vulpecula.What is noteworthy about Delphinus is that it actually resembles, when the stars are joined in the imagination, the creature it is supposed to depict - a dolphin jumping out of the sea. Updates? The star’s traditional name, Rotanev, was given to it by the Italian astronomer Niccolò Cacciatore (1770 – 1841). Rotanev spelled backwards is Venator, which is the Latinized version of Cacciatore’s family name, which means “hunter.”. Musica is a yellow giant star with a mass 2.3 times that of the Sun and a radius 8.5 times solar. Nereid riding dolphin, Apulian red-figure plate C4th B.C., State Hermitage Museum DELPHIN was a dolphin-shaped sea daimon in the service of the god Poseidon.When his master was wooing the Nereid Amphitrite and she fled, Delphin was sent to find the nymphe and persuade her to agree to the marriage. This constellation does not belong to the zodiac. If it exists, the planet has a mass of at least 0.7 Jupiter masses and orbits the host star with a period of 1.44 years (525.6 days) from a distance of 1.5 astronomical units. Delphinus belongs to the Heavenly Waters family of constellations, along with Carina, Columba, Equuleus, Eridanus, Piscis Austrinus, Puppis, Pyxis, and Vela. The brightest star in the constellation is Rotanev, Beta Delphini, with an apparent magnitude of 3.617. Alpha Delphini is the second brightest star in the constellation. The nebula is about 7,200 light years distant from Earth. Its estimated age is about 227 million years. The components are separated by 10.22 arcseconds and orbit each other with a period of 3,249 years. The primary component, Gamma1 Delphini, has a mass 1.57 times that of the Sun and a radius 2.21 times solar. ... Delphinus (Dolphin) This constellation belongs to the zodiac. Delphinus, represents a dolphin, swimming across our celestial ocean east of the bright star Altair in Aquilla. Delphinus is a Latin name for a dolphin animal. Globular cluster NGC 6934, photo: Hubble Space Telescope. The name of the western constellation in modern Chinese is 海豚座 (hǎi tún zuò), meaning "the dolphin constellation". Delphinus is one of the smallest constellations in the sky. The stars appear as a single point of light to the naked eye. The most unique star gift in the universe now includes your favourite zodiac or constellation. Our editors will review what you’ve submitted and determine whether to revise the article. These strange names first appeared in the Palermo Catalogue of 1814. The constellation Delphinus lies in the region of the sky between the bright Altair in the constellation Aquila and the Great Square of Pegasus. NGC 7006 is a globular star cluster located approximately 137,000 light years away in the outskirts of the Milky Way. Unlike many other constellations, Delphinus actually resembles the sea animal it depicts, making it easily recognizable in the night sky. NGC 6905 is a small planetary nebula, bluish in colour. Beta Delphini is the brightest star in Delphinus. The cluster was discovered by William Herschel on September 24, 1785. In Greek mythology, Delphinus represents a dolphin who was a … It is classified as a LINER galaxy. One of the dolphins saved him and carried him all the way back to Greece. PASSIONATE ABOUT DOLPHINS Our goal is to provide our dolphins with the best quality of life; therefore allowing thousands of people to live a unique experience alongside one of the ocean’s most intelligent species. The star has the Bayer designation Rho Aquilae because it belonged to the constellation Aquila until 1992, when it moved across the border into Delphinus. Like Rotanev, it gets its name from Niccolò Cacciatore. As one can understand from its name the meaning of Delphinus is “the dolphin” and it is one of the smallest constellations. Its name means “dolphin” in Latin. The two components orbit each other with a period of 40.605 days. It is a small constellation, occupying an area of only 189 square degrees. In Greek mythology, the constellation represents the dolphin sent by the sea god Poseidon to find Amphitrite, the Nereid he wanted to marry. The planet, designated HD 99109 b, was given the proper name Perwana after the International Astronomical Union’s (IAU) NameExoWorlds campaign in 2019. As such, it is at least partly visible from both hemispheres in certain times of the year. The four brightest stars form a diamond-shaped asterism called “Job’s Coffin.” In Greek mythology there are two stories about this constellation. It's brightest star is (not in database). The star names approved by the International Astronomical Union (IAU) are Aldulfin (Epsilon Delphini), Musica (18 Delphini), Rotanev (Beta Delphini A), Shama (HAT-P-23), and Sualocin (Alpha Delphini Aa). The spiral galaxy NGC 7025 has an apparent magnitude of 13.71 and lies over 207 million light years away. It lies at a distance of about 160 light years. Alpha Delphini Aa is formally named Sualocin. Delphinus Constellation spans 7 degrees of the zodiac within Capricorn Constellation, from 13° to 20° Aquarius Sign. Let us know if you have suggestions to improve this article (requires login). It can be seen at latitudes between 90 degrees and -70 degrees. They are separated by only 0.44 arcseconds, which makes them difficult to resolve in a telescope. It has an apparent size of 0.33′ by 0.3′. The planet has a mass at least 10.3 times that of Jupiter and orbits the star from a distance of 2.6 astronomical units with a period of about 993.3 days. Name a star in Delphinus! Delphinus Constellation the Dolphin is a northern constellation bordering Aquila and Pegasus. Delphinus lies in a part of the sky referred to the "water" section, due to the number of water-related constellations in the surrounding sky: Aquarius, Cetus, Eridanus, Pisces, and Piscis Austrinus. Poseidon decided to honour the dolphin and placed his image among the stars. In one, it is the messenger of the sea god Poseidon. One of these is the northern constellation of Delphinus, which translates to “the Dolphin” in Latin. They have a combined spectral class of kA7hF0mF0(IV-V), indicating a white star that is coming to an end of its main sequence lifetime. It has an apparent magnitude of 4.94 and lies at an approximate distance of 150 light years from Earth. https://www.britannica.com/place/Delphinus-constellation, Delphinus - Student Encyclopedia (Ages 11 and up). The stars of the Summer Triangle are easy to distinguish because Deneb also marks the top of the Northern Cross, Altair is flanked by the relatively bright Alshain and Tarazed, and Vega is part of Lyra‘s lyre-shaped pattern (similar to that of Delphinus, but slightly larger). The star is slightly less massive than the Sun, with 93% of the Sun’s mass, and it shines with 0.724 solar luminosities. The dolphin constellation “Delphinus “ The northern sky is known to have a number of constellations both big and small; Delphinus is one of these constellations. Mythology. Read More » Blue Flash Nebula Astronomy Delphinus) is a small constellation of the northern hemisphere. In the other myth, it was Apollo, the god of poetry and music, who placed the dolphin among the constellations for saving the life of Arion, a poet and musician born on the island of Lesbos, whose skill with the lyre made him famous in the 7th century BC. Delphinus Constellation spans 7 degrees of the zodiac within Capricorn Constellation, from 13° to 20° Aquarius Sign. Delphi was also known as the center of the world. Erik Gregersen is a senior editor at Encyclopaedia Britannica, specializing in the physical sciences and technology. In one, the dolphin constellation represents Poseidon’s messenger. From topastronomer. NGC 6891 is a small planetary nebula located near the star Rho Aquilae. The primary component, Alpha Delphini Aa, has the stellar classification B9IV, indicating a blue-white subgiant star. The constellation is home to several interesting deep sky objects: the globular clusters NGC 6934 and NGC 7006, and the planetary nebulae NGC 6891 and NGC 6905 (the Blue Flash Nebula). In the other, it is the dolphin that rescued the poet Arion from drowning. The planet has a mass of at least 0.502 Jupiter masses and orbits the star from a distance of 1.105 astronomical units with a period of 439.3 days. Delphinus Constellation the Dolphin is a northern constellation bordering Aquila and Pegasus. The Myth Behind the Constellation Delphinus Delphinus, “The Dolphin” earned his place in the night sky by helping out the Greek god of the sea, Poseidon. It is also associated with the story of Arion, the Greek poet and musician whose life was saved by dolphins at sea. Rho Aquilae itself is known as the Ninth Star of Left Flag. It is also associated with the story of Arion, the Greek poet and musician whose life was saved by dolphins at sea. It has an apparent magnitude of 10.9 and lies 7,500 light years away. It lies in the fourth quadrant of the northern hemisphere (NQ4) and can be seen at latitudes between +90° and -70°. Delphinus is recognizable for the diamond-shaped pattern formed by its brightest stars, known as Job’s Coffin, which outlines the body of the celestial Dolphin. It was discovered by Scottish astronomer Ralph Copeland on 22 September, 1884. A candidate planet orbiting the companion was announced in 1999, but it has not yet been confirmed. It is approximately 52,000 light years distant and has a visual magnitude of 8.83. Arion was sailing back to Greece after a concert tour of southern Italy when the sailors who were also on the ship started plotting to kill him and take the money he had earned. Surrounded, Arion asked them to let him sing one last song. The Delphinus constellation (its name means ‘dolphin’ in Latin, represents the dolphin sent by the sea god Poseidon to find Amphitrite, the Nereid he wanted to marry and was first catalogued by the Greek astronomer Ptolemy in the 2nd century. There are no meteor showers associated with the constellation. The neighboring constellations are Aquarius, Aquila, Equuleus, Pegasus, Sagitta, and Vulpecula. They orbit each other with a period of 17 years. After many rebuffed attempts he decided to try a new approach. Gamma Delphini is a binary star system composed of a white main sequence star of the spectral type F7V and an orange subgiant with the stellar classification K1IV. the Dolphin, a northern constellation between Aquila and Pegasus. It was the site of the Pythian Games and the legendary Oracle ' Pythia ' ("the Python"; constellations can have a number of related symbols). Delphinus is the 69th constellation in size, occupying an area of 189 square degrees. NGC 7006 has a visual magnitude of 10.6 and occupies 2.8′ of the apparent sky. Before joining Britannica in 2007, he worked at the University of Chicago Press on the... Be on the lookout for your Britannica newsletter to get trusted stories delivered right to your inbox. Both the planet and the star were named after a public nomination and vote in 2015. The diamond-shaped asterism representing the dolphin’s body is also known as Job’s Coffin. With a surface temperature of 4,865 K, it shines with 20.8 solar luminosities. The star has an apparent magnitude of 5.506 and lies about 249 light years away. The galaxy lies about 222 million light years from Earth. With a metallicity 2.07 times that of the Sun, the star has an estimated age of more than 12.2 billion years. Rho Aquilae is a white main sequence dwarf of the spectral type A2V. 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