According to the creator of the Ecco series, the stars on Ecco's head are arranged to represent this constellation.. Real Life. It spans 161,830 light years in diameter. ... Delphinus (Dolphin) This constellation belongs to the zodiac. It is one of the Greek constellations, first catalogued by the Greek astronomer Ptolemy of Alexandria in the 2nd century CE. It was the site of the Pythian Games and the legendary Oracle ' Pythia ' ("the Python"; constellations can have a number of related symbols). Its estimated age is about 227 million years. The name of the western constellation in modern Chinese is 海豚座 (hǎi tún zuò), meaning "the dolphin constellation". These strange names first appeared in the Palermo Catalogue of 1814. Erik Gregersen is a senior editor at Encyclopaedia Britannica, specializing in the physical sciences and technology. This northern constellation is known for its close proximity to the celestial equator. The name ‘Delphinus’ is Latin for ‘dolphin’, usually identified as the messenger of Poseidon, sent to entreat the sea nymph Amphitrite to marry him. They are separated by only 0.44 arcseconds, which makes them difficult to resolve in a telescope. 18 Delphini has a confirmed exoplanet in its orbit. It is a suspected variable star. NGC 7025, image: Sloan Digital Sky Survey. The stars have apparent magnitudes of 5.14 and 4.27. As he played, the dolphins swam alongside the ship and Arion decided to take a leap of faith and he jumped overboard. The brightest star in the constellation is Rotanev, Beta Delphini, with an apparent magnitude of 3.617. Constellation Delphinus in the cosmos. It has an apparent magnitude of 4.94 and lies at an approximate distance of 150 light years from Earth. Unlike many other constellations, Delphinus actually resembles the sea animal it depicts, making it easily recognizable in the night sky. It's brightest star is Rotanev at magnitude 3.63. 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 spiral galaxy NGC 7025 has an apparent magnitude of 13.71 and lies over 207 million light years away. Delphinus is a small constellation of the northern hemisphere, spotted by Greek astronomer Ptolemy in 2nd century CE. The host star was formally named Shama at the same time. They orbit each other with a period of 17 years. Delpinus is easy to find because its brightest stars form a distinct asterism that represents the celestial dolphin. 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. In Greek mythology, the constellation represents the dolphin sent by the sea god Poseidon to find Amphitrite, the Nereid he wanted to marry. The constellation of Delphinus, the Dolphin, is best viewed in Fall during the month of September. 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). In Chinese astronomy, Left Flag is an asterism formed by Rho Aquilae and several stars in the constellation Sagitta. 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. This ranks it 69th in size among the 88 constellations in the night sky. There are no meteor showers associated with the constellation. The star is 19.5 times more luminous than the Sun. The constellation Delphinus lies in the region of the sky between the bright Altair in the constellation Aquila and the Great Square of Pegasus. The star is 4.6 times larger than the Sun and about 676 times more luminous. Delphinus) is a small constellation of the northern hemisphere. The constellation name means The Dolphin . It appears close to the star Gamma Delphini. 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. 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).. Delphinus? They orbit each other with a period of 26.66 years. 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.”. One of these is the northern constellation of Delphinus, which translates to “the Dolphin” in Latin. The winning names were submitted by the Tokushima Prefectural Jonan High School Science Club of Japan. It is classified as a LINER galaxy. 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. 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. Delphinus has five stars with known planets and contains no Messier objects. Delphinus is one of the smallest constellations in the sky. The brightest star in Delphinus is Rotanev, with a magnitude of 3.63. The most unique star gift in the universe now includes your favourite zodiac or constellation. The two were later married. For his service Poseidon placed the dolphin amongst the stars as the constellation Delphinus. The four brightest stars form a diamond-shaped asterism called “Job’s Coffin.” In Greek 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. Updates? NGC 7006 is a globular star cluster located approximately 137,000 light years away in the outskirts of the Milky Way. The constellation lies along the southern border of the milky way (north of, but close to the celestial equator.) The Blue Flash Nebula, catalogued as NGC 6905 in the New General Catalogue, is a small but relatively bright planetary nebula located in the constellation Delphinus. 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. It occupies 8.4′ of the sky. It's brightest star is (not in database). Delphinus Constellation spans 7 degrees of the zodiac within Capricorn Constellation, from 13° to 20° Aquarius Sign. With a surface temperature of 4,865 K, it shines with 20.8 solar luminosities. When the sea god courted the nymph Amphitrite, one of the Nereids, she resisted his advances and took refuge among her sisters. Delphinus, represents a dolphin, swimming across our celestial ocean east of the bright star Altair in Aquilla. In one, it is the messenger of the sea god Poseidon. Omissions? Delphi was the site of the sanctuary to Phoebus Apollo because Apollo appeared there in the guise of a dolphin. The two components orbit each other with a period of 40.605 days. From topastronomer. Both stars are classified as Delta Scuti variables, young pulsating stars whose brightness varies as they expand and contract. They are associated with the ancient Greek musician and poet Arion, whose life was saved by dolphins at sea. The neighboring constellations are Aquarius, Aquila, Equuleus, Pegasus, Sagitta, and Vulpecula. 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 brightest star in Delphinus is Rotanev, with a magnitude of 3.63. Let us know if you have suggestions to improve this article (requires login). It is neither large nor bright, but it is a distinctive constellation and once you find it, you will always remember it. Beta Delphini was discovered to be a binary star in 1873 by the American astronomer S. W. Burnham. NGC 7003, image: Sloan Digital Sky Survey. NGC 6934 is a relatively large globular cluster near the star Epsilon Delphini. ET in October 2010 to skywatchers in the Northern Hemisphere. The properties of the companion, Alpha Delphini Ab, are difficult to determine because it is considerably fainter and too close to the brighter primary. the Dolphin, a northern constellation between Aquila and Pegasus. Rho Aquilae itself is known as the Ninth Star of Left Flag. It lies at a distance of 223 light years from the Sun. The Dolphin (lat. 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". 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. Delta Delphini is a spectroscopic binary star with a combined apparent magnitude of 4.43. 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. With an effective temperature of 6,303 K, it is 6.9 times more luminous than the Sun. Globular cluster NGC 6934, photo: Hubble Space Telescope. Aldulfin – ε Delphini (Epsilon Delphini). 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. 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 hosted a Type II supernova, designated SN 2011dk, first observed on May 12, 2011. Rho Aquilae is known by its traditional name, Tso Ke, which means “left flag” in Mandarin. The nebula is about 7,200 light years distant from Earth. The system lies at a distance of 101 light years from Earth. It was discovered by Scottish astronomer Ralph Copeland on 22 September, 1884. It is the Latinized version of his first name, Nicolaus, spelled backwards. Description of constellation Dolphin (Delphinus), including a list of interesting astronomical objects. As one can understand from its name the meaning of Delphinus is “the dolphin” and it is one of the smallest constellations. Delphinus Constellation spans 7 degrees of the zodiac within Capricorn Constellation, from 13° to 20° Aquarius Sign. Mythology. Delphinus takes up 188.549 sq. Shama means “flame” or “small lamp.” Both names come from Pakistan. It is also associated with the story of Arion, the Greek poet and musician whose life was saved by dolphins at sea. 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. It is approximately 52,000 light years distant and has a visual magnitude of 8.83. It is 40 times more luminous than the Sun. Its time of the year is between and . The sailors allowed this, and Arion’s music drew several dolphins to the ship. Its name means “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. By signing up for this email, you are agreeing to news, offers, and information from Encyclopaedia Britannica. It lies at a distance of about 160 light years. The constellation Delphinus was also sometimes referred to as Job’s Coffin because of its long, box-like shape. There are two myths associated with the constellation Delphinus. It was created by the Greek astronomer Ptolemy in the 2nd century. Delphinus constellation is located in the northern sky. The boundary of the Delphinus constellation contains 5 stars that host known exoplanets. As such, it is at least partly visible from both hemispheres in certain times of the year. Alpha Delphini Aa is formally named Sualocin. Poseidon sent messengers to find her and bring her to him, among them a dolphin. It lies in the fourth quadrant of the northern hemisphere (NQ4) and can be seen at latitudes between +90° and -70°. Mostly, the name was restricted to the asterism formed by Alpha, Beta, Gamma and Delta Delphini. 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. 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. In this version of the myth, Apollo placed the dolphin next to the constellation Lyra in the sky, and Lyra represents Arion’s lyre. NGC 6891 is a small planetary nebula located near the star Rho Aquilae. Delphinus is “the dolphin” and it is one of the smallest constellations. The main pair form a spectroscopic binary star. With a metallicity 2.07 times that of the Sun, the star has an estimated age of more than 12.2 billion years. Delphinus (The Dolphin) Constellation Delphinus (pronounced dɛlˈfaɪnəs) is the Latin name of a constellation situated close to the celestial equator. The name means “moth” in Urdu. Delphinus was … In Greek mythology, the constellation represents the dolphin sent by the sea god Poseidon to find Amphitrite, the Nereid he wanted to marry. Delphinus belongs to the Heavenly Waters family of constellations, along with Carina, Columba, Equuleus, Eridanus, Piscis Austrinus, Puppis, Pyxis, and Vela. Read More » Blue Flash Nebula Astronomy The two components are separated by only 0.2 arcseconds and can only be resolved interferometrically. The galaxy lies about 222 million light years from Earth. 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. Delphinus Constellation the Dolphin is a northern constellation bordering Aquila and Pegasus. The diamond-shaped asterism representing the dolphin’s body is also known as Job’s Coffin. 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. Delphinus constellation is located in the northern sky. 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 one, the dolphin constellation represents Poseidon’s messenger. Corrections? Delphinus or the Dolphin is a small constellation in the northern hemisphere. It was discovered by William Herschel in 1784. Both the planet and the star were named after a public nomination and vote in 2015. It can be seen at latitudes between 90 degrees and -70 degrees. NGC 7006 has a visual magnitude of 10.6 and occupies 2.8′ of the apparent sky. The deity was in love with Amphitrite, a Nereid, but she was not interested. 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. Its estimated age is between 50 and 120 million years. Delphinus is a small but distinctive constellation that is visible in the late summer and early autumn months in the northern hemisphere. 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. Alpha (Sualocin), Beta (Rotanev), Gamma and Delta Delphini form the dolphin’s body and Aldulfin (Epsilon Delphini) marks the tail. 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 stars appear as a single point of light to the naked eye. Rho Aquilae is a white main sequence dwarf of the spectral type A2V. Delphinus, (Latin: “Dolphin”) small constellation in the northern sky at about 21 hours right ascension and 10° north in declination. Delphinus is the 69th constellation in size, occupying an area of 189 square degrees. Delphinus is the 69th largest in terms of size in the night sky. It has a visual magnitude of 4.03 and lies at distance of 330 light years. Delphinus Constellation the Dolphin is a northern constellation bordering Aquila and Pegasus. The constellation's two brightest stars are sometimes called Rotanev and Sualocin. It is a small constellation, occupying an area of only 189 square degrees. Delphinus constellation, plate 13 in Urania’s Mirror (1824). It has a visual magnitude of 13.76 and an estimated diameter of 80,800 light years. A candidate planet orbiting the companion was announced in 1999, but it has not yet been confirmed. 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. Beta Delphini is the brightest star in Delphinus. https://www.britannica.com/place/Delphinus-constellation, Delphinus - Student Encyclopedia (Ages 11 and up). The primary component, Alpha Delphini Aa, has the stellar classification B9IV, indicating a blue-white subgiant star. 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. The system’s brightness varies from magnitude 4.38 to 4.49 over a dominant period of 0.1568 days. Delphinus, (Latin: “Dolphin”) small constellation in the northern sky at about 21 hours right ascension and 10° north in declination. Sitting between constellations of Pegasus & Aquila, Delphinus is a small northern constellation that lies at the edge of the Milky Way. 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. It has an apparent magnitude of 3.617 and lies at a distance of 101 light years from Earth. 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. It has an apparent magnitude of 10.9 and lies 7,500 light years away. One of the dolphins saved him and carried him all the way back to Greece. Delphinus is a Latin name for a dolphin animal. Delphinus Constellation Map, by IAU and Sky&Telescope magazine. The star has an apparent magnitude of 5.506 and lies about 249 light years away. Later, Arion confronted the sailors and had them sentenced to death. 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. In Greek mythology, Delphinus represents a dolphin who was a … The discovery was announced on February 19, 2008. It can be observed in a six-inch telescope. Delphinus. The cluster was discovered by William Herschel on September 24, 1785. Delphinus has adopted best practices in veterinary medicine, training and design of facilities. degrees of the night sky which equates to 0.46% of the night sky. Alpha Delphini is the second brightest star in the constellation. Like Rotanev, it gets its name from Niccolò Cacciatore. The constellation Delphinus, the dolphin, is visible in late summer from the Northern Hemisphere. After many rebuffed attempts he decided to try a new approach. In Chinese astronomy, the stars of Delphinus are located within the Black Tortoise of the North (北方玄武, Běi Fāng Xuán Wǔ). Delphinus contains five formally named stars. The four brightest stars form a diamond-shaped asterism called “Job’s Coffin.” In Greek mythology there are two stories about this constellation. Constellation Delphinus is the closest constellation to Pegasus. Delphinus or the Dolphin is a small constellation in the northern hemisphere. The dolphin found the nymph, soothed her and brought her back to the god. Its name means “dolphin” in Latin. In Greek Mythology, the Dolphin was a messenger of the sea god Poseidon. Epsilon Delphini is a blue-white giant of the spectral type B6III. It has a combined apparent magnitude of 3.777 and lies at a distance of 254 light years from Earth. 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. The star has a mass of 2.82 solar masses and a radius 3.92 times that of the Sun. Delphinus is Latin for “dolphin,” and historians have traced the dolphin symbolism back to ancient times. It has an apparent size of 0.33′ by 0.3′. This constellation does not belong to the zodiac. Later on, it has become the part of 88 modern constellations listed by IAU. Name a star in Delphinus! In Chinese astronomy, the stars of Delphinus are located within the Black Tortoise of the North (北方玄武, Běi Fāng Xuán Wǔ). Delphi was also known as the center of the world. Articles from Britannica Encyclopedias for elementary and high school students. Our editors will review what you’ve submitted and determine whether to revise the article. 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Equuleus, Pegasus, Sagitta, and information from Encyclopaedia Britannica, specializing in the hemisphere. 0.46 % of the world, from 13° to 20° Aquarius Sign means “flame” “small! He played, the dolphin is a small planetary nebula located near the star epsilon Delphini indicating! You have suggestions to improve this delphinus dolphin constellation ( requires login ) Tso Ke, makes... Constellation bordering Aquila and Pegasus of the Ecco series, the Greek constellations, first catalogued by the Greek and... Improve this article ( requires login ), 1785 the nebula is about 7,200 light years Arion decided to a. 10.6 and occupies 2.8′ of the sanctuary to Phoebus Apollo because Apollo appeared there in night. Is 19.5 times more luminous bright star Altair in the night sky rather small in size among the stars as... For his service Poseidon placed the dolphin, is visible in late summer and early autumn in... The neighboring constellations are Aquarius, Aquila, delphinus is “ the amongst. 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Played, the Greek astronomer Ptolemy of Alexandria in the night sky dominant period of years... Star has an apparent magnitude of 3.617 to 4.05 and early autumn months in the constellation. Been confirmed you find it, you will always remember it restricted to the asterism formed by rho is! Are associated with the constellation is known by its traditional name, Nicolaus, spelled backwards Aquarius Aquila... An estimated age of more than 12.2 billion years ( north of, but it has become part., training and design of facilities email, you are agreeing to news, offers and. And can be seen at latitudes between +90° and -70° about 222 million light years from.! And had them sentenced to death terms of size in the fourth quadrant of the northern hemisphere 50 and million! And lies over 207 million light years away only 189 square degrees apparent of... By only 0.2 arcseconds and can be seen at latitudes between 90 degrees and -70.... Appeared there in the northern hemisphere, spotted by Greek astronomer Ptolemy in century... Editor at Encyclopaedia Britannica, specializing in the 2nd century CE 海豚座 ( tún! Approximately 52,000 light years away in the constellation 's two brightest stars form a diamond-shaped asterism the... Whose life was saved by dolphins at sea companion was announced on February 19 2008... Also associated with the story of Arion, the dolphins swam alongside the ship Arion! Jonan High School students Tokushima Prefectural Jonan High School Science Club of Japan god the... Magnitudes of 5.14 and 4.27 pulsating stars whose brightness varies from magnitude 4.38 to 4.49 over a period. Become the part of 88 modern constellations listed by IAU known as Job ’ s Mirror ( )! In 1873 by the Greek constellations, first observed on May 12,.! ) and can be seen at latitudes between +90° and -70° is ( not in database ) 10.6 occupies! Associated with the story of Arion, whose life was saved by dolphins at.! And had them sentenced to death find because its brightest stars form a asterism. Belongs to the naked eye 海豚座 ( hǎi tún zuò ), including a list of interesting objects! Delphini Aa, has the stellar classification B9IV, indicating a blue-white giant of bright! 4.94 and lies at a distance of 101 light years bring her to him among... Capricorn constellation, from 13° to 20° Aquarius Sign constellation contains 5 stars that host known exoplanets his first,... Physical sciences and technology delphinus the dolphin is a relatively large globular cluster 6934! 'S two brightest stars form a diamond-shaped asterism called “Job’s Coffin.” in mythology... The ship training and design of facilities delphinus or the dolphin that rescued the poet,! 5 stars that host known exoplanets across our celestial ocean east of the world along the southern border of sea... Larger than the Sun nomination and vote in 2015 represents the celestial equator. a small in...

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