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Encyclopedia > Corona Borealis

Corona borealis

click for larger image This is a celestial map of the constellation Corona Borealis, the Northern Crown. ...

Abbreviation CrB
Genitive Coronae Borealis
Symbology The Northern Crown
Right ascension 16 h
Declination +30°
Area 179 sq. deg.
Ranked 73rd
Number of stars
(magnitude < 3)
1
Brightest star Alphecca (α CrB)
(App. magnitude 2.2)
Meteor showers

None The genitive case is a grammatical case that indicates a relationship, primarily one of possession, between the noun in the genitive case and another noun. ... Right ascension (RA; symbol α: Greek letter alpha) is the astronomical term for one of the two coordinates of a point on the celestial sphere when using the equatorial coordinate system. ... In astronomy declination (dec) is one of the two coordinates of the equatorial coordinate system, the other being either right ascension or hour angle. ... Here is a list of the 88 modern constellations by their area in the sky, measured in square degrees. ... The apparent magnitude (m) of a star, planet or other heavenly body is a measure of its apparent brightness; that is, the amount of light received from the object. ... The apparent magnitude (m) of a star, planet or other heavenly body is a measure of its apparent brightness; that is, the amount of light received from the object. ... Categories: Planetology | Astronomy stubs ...

Bordering
constellations
Visible at latitudes between +90° and −50°
Best visible during the month of July

Corona Borealis (Latin for northern crown) is a small northern constellation whose main stars form a semicircular arc. It is one of the 88 modern constellations, and was also one of the 48 constellations listed by Ptolemy, who referred to the constellation as Corona. The Borealis (northern) was added later on, to contrast with Corona Australis, the southern crown. Hercules is the fifth largest of the 88 modern constellations. ... Boötes, a name deriving from Egypt, is one of the 88 modern constellations and was also one of the 48 constellations listed by Ptolemy. ... Serpens (the snake) is one of the 88 modern constellations, and was also one of the 48 listed by Ptolemy. ... July is the seventh month of the year in the Gregorian Calendar and one of seven Gregorian months with the length of 31 days. ... Latin is the language that was originally spoken in the region around Rome called Latium. ... Compass rose with north highlighted and at top North is one of the four cardinal directions, specifically the direction that, in Western culture, is treated as the primary direction: north is used (explicitly or implicitly) to define all other directions; the (visual) top edges of maps usually correspond to the... Crown names several entities associated with monarchy: A crown (headgear), the headgear worn by a monarch. ... Orion is a remarkable constellation, visible from most places on the globe (but not always the whole year long). ... The Pleiades star cluster A star is any massive gaseous body in outer space, just like the Sun. ... Claudius Ptolemaeus, given contemporary German styling, in a 16th century engraved book frontispiece Claudius Ptolemaeus (Greek: Κλαύδιος Πτολεμαῖος; c. ... Categories: Astronomy stubs | Modern constellations | Constellations ...

Contents

Notable features

It has no first magnitude stars. Its brightest star, Alphecca (also known as Gemma) is of magnitude 2.2 (slightly variable) and is considered a member of the diffuse Ursa Major open cluster. The constellation contains several interesting variable stars. Two of the best known are R Coronae Borealis and T Coronae Borealis. Most stars are of nearly constant luminosity. ... Ursa Major is a constellation visible throughout the year in the northern hemisphere. ... The Pleiades, one of the most famous open clusters An open cluster is a group of up to a few thousand stars that were born at the same time from a giant molecular cloud, and are still gravitationally bound to each other. ... R Coronae Borealis a yellow supergiant star, and is the prototype of a class of variable stars, which fade by several magnitudes at irregular intervals. ...


Notable deep sky objects

Corona Borealis contains no bright deep sky objects. Abell 2065 is a a highly concentrated galaxy cluster containing over 400 members, the brightest of which are of 16th magnitude. Galaxy groups and clusters are super-structures in the spread of galaxies of the cosmos. ... The apparent magnitude (m) of a star, planet or other heavenly body is a measure of its apparent brightness; that is, the amount of light received from the object. ...


Mythology

Corona Borealis was sometimes considered to represent a crown that was given by Dionysus to Ariadne, the daughter of Minos of Crete. At other points it was considered to belong, in a sense, to Boötes, whomever that might represent. Bacchus by Caravaggio The god Dionysus is occasionally confused with one of several historical figures named Dionysius, a theophoric name that simply means [servant] of Dionysus. ... Ariadne (utterly pure, from a Cretan-Greek form for arihagne) was a fertility goddess of Crete. ... In Greek mythology, Minos was a semi-legendary king of Crete, son of Zeus and Europa. ... Boötes, a name deriving from Egypt, is one of the 88 modern constellations and was also one of the 48 constellations listed by Ptolemy. ...


Stars

Stars with proper names:
  • Alphecca [Alphacca, Alphekka] or Gemma or Gnosia [Gnosia Stella Coronae] or Asteroth [Ashtaroth] (5/α CrB) 2.22
    < النائر الفكّة an-na´ir al-fakkah The bright one of the broken (ring of stars)
    < gemma The jewel
    < gnōsia stella corōnæ Star of Ariadne's ("of Knossos's") crown
    < עשתרזת cašterôt, Astarte (idols) [plural of Ashtoreth Astarte/Ishtar, the Semitic fertility goddess]
  • Nusakan (3/β CrB) 3.66
    < ? an-nasaqan The (two) series
Stars with Bayer designations:
8/γ CrB 3.81; 10/δ CrB 4.59; 13/ε CrB 4.14; 7/ζ1 CrB 6.00; 7/ζ2 CrB 5.07; 4/θ CrB 4.14; 2/η CrB – double 4.99, 6.08; 14/ι CrB 4.98; 11/κ CrB 4.79; 12/λ CrB 5.43; 6/μ CrB 5.14; 20/ν1 CrB 5.20; 21/ν2 CrB 5.40; 19/ξ CrB 4.86; 1/ο CrB 5.51; 9/π CrB 5.57; 15/ρ CrB 5.39 – has a planet; 17/σ CrB – double 5.23, 6.66; 16/τ CrB 4.73; 18/υ CrB 5.80
Other notable stars:
  • R CrB 5.85 - 14.8 – R CrB variable prototype


History Gemma (Latin: Jewel) is the designation of the star Alpha Coronae Borealis. ... Rho Coronae Borealis (ρ CrB / ρ Coronae Borealis) is a 6th magnitude star in the constellation of Corona Borealis. ... R Coronae Borealis a yellow supergiant star, and is the prototype of a class of variable stars, which fade by several magnitudes at irregular intervals. ...

Constellations listed by Ptolemy Orion is a remarkable constellation, visible from most places on the globe (but not always the whole year long). ... Claudius Ptolemaeus, given contemporary German styling, in a 16th century engraved book frontispiece Claudius Ptolemaeus (Greek: Κλαύδιος Πτολεμαῖος; c. ...

Andromeda | Aquarius | Aquila | Ara | Argo Navis | Aries | Auriga | Boötes | Cancer | Canis Major | Canis Minor | Capricornus | Cassiopeia | Centaurus | Cepheus | Cetus | Corona Australis | Corona Borealis | Corvus | Crater | Cygnus | Delphinus | Draco | Equuleus | Eridanus | Gemini | Hercules | Hydra | Leo | Lepus | Libra | Lupus | Lyra | Ophiuchus | Orion | Pegasus | Perseus | Pisces | Piscis Austrinus | Sagitta | Sagittarius | Scorpius | Serpens | Taurus | Triangulum | Ursa Major | Ursa Minor | Virgo


Andromeda is a constellation named for the princess Andromeda (which is Greek for Ruler over men), a character in greek mythology. ... Aquarius (♒), being Latin for of the water, is one of the oldest recognized constellations along the zodiac, the suns apparent path. ... Aquila (Latin for Eagle), is one of the 48 constellations listed by Ptolemy and is now also part of the list of 88 constellations acknowledged by the IAU. It lies roughly at the celestial equator. ... Ara (Latin for Altar) is a faint southerly constellation between the constellations Centaurus and Lupus. ... The constellation Argo Navis drawn by Johannes Hevelius in 1690 Argo Navis (or simply Argo) was a large southern constellation representing the Argo, the ship used by Jason and the Argonauts in Greek mythology. ... Aries (♈) is one of the constellations of the zodiac, and its name is Latin for Ram. ... Auriga (Latin for chariot) is a northern constellation. ... Boötes, a name deriving from Egypt, is one of the 88 modern constellations and was also one of the 48 constellations listed by Ptolemy. ... In astronomy and astrology, Cancer (♋), Latin for crab, is one of the twelve constellations of the zodiac. ... Canis Major (Latin for big dog) is one of the 88 modern constellations, and was also in Ptolemys list of 48 constellations. ... Canis Minor (Latin for little dog) is one of the 88 modern constellations, and was also in Ptolemys list of 48 constellations. ... Capricornus (♑), a name meaning Horned Goat or That which has horns like a goats in Latin, is one of the constellations of the zodiac. ... Cassiopeia is a northern constellation which greek mythology considered to represent a vain queen. ... Centaurus (Latin for centaur) was one of the 48 constellations listed by Ptolemy, and counts also among the 88 modern constellations. ... Cepheus is a northern constellation named after a character in Greek mythology, and is considered to representing a king. ... Cetus (a name from Greek mythology, referring to a Whale or Sea monster) is a constellation of the southern sky, in the region known as the Water, near other watery constellations like Aquarius, Pisces, and Eridanus. ... Categories: Astronomy stubs | Modern constellations | Constellations ... Corvus (Latin for Raven/Crow) is a small southern constellation with only 11 stars visible to the naked eye (brighter than magnitude 5. ... Categories: Astronomy stubs | Constellations listed by Ptolemy | Modern constellations | Constellations ... Cygnus (Latin for swan) is a northern constellation. ... Delphinus (disambiguation). ... Draco (Latin for Dragon) is a far northern constellation that is circumpolar for many northern hemisphere observers. ... References Burnham, Robert (1978). ... Categories: Astronomy stubs | Constellations listed by Ptolemy | Modern constellations | Constellations ... In mythology, the Gemini are Castor and Polydeuces. ... Hercules is the fifth largest of the 88 modern constellations. ... Hydra is the largest of the 88 modern constellations, and was also one of the 48 constellations listed by Ptolemy. ... Leo (Latin for lion) is a constellation of the zodiac. ... Categories: Astronomy stubs | Constellations listed by Ptolemy | Modern constellations | Constellations | Lepus constellation ... Libra (♎, and Latin for balance) is a constellation of the zodiac. ... Lupus (Latin for Wolf) is a southern constellation. ... The constellation Lyra (Latin for Lyre) already formed part of Ptolemys list of 48 constellations and is also one of the 88 modern constellations approved by the IAU. Lyra is not very big but still easy to find because its principal star, Vega, is also a vertex of Summer... Ophiuchus (known as the serpent holder) is one of the 88 constellations, and was also one of the 48 listed by Ptolemy. ... Orion, a constellation often referred to as The Hunter, is a prominent constellation, perhaps the best-known in the sky. ... Pegasus is a northern constellation, named after the mythological Pegasus. ... Perseus is a northern constellation, named after the Greek hero who slew the monster Medusa. ... Pisces (♓, Latin for fish (plural)) is a zodiac constellation which lies between Aquarius to the west and Aries to the east. ... Categories: Astronomy stubs | Constellations listed by Ptolemy | Modern constellations | Constellations | Piscis Austrinus constellation ... Sagitta, being Latin for Arrow, is the third-smallest of all constellations (only Equuleus and Crux are smaller). ... Sagittarius (♐, and Latin for Archer) is a constellation of the zodiac, commonly depicted as a centaur drawing a bow. ... Scorpius (♏, and Latin for scorpion) is one of the constellations of the zodiac. ... Serpens (the snake) is one of the 88 modern constellations, and was also one of the 48 listed by Ptolemy. ... Taurus (♉) is one of the constellations of the zodiac, and its name is Latin for Bull. ... Triangulum is a small northern constellation whose three brightest stars, of third and fourth magnitude, form an elongated triangle. ... Ursa Major is a constellation visible throughout the year in the northern hemisphere. ... Ursa Minor is a constellation in the northern sky, the name of which means Small Bearin Latin. ... See VIRGO (physics) for a French-Italian project in physics. ...

The 88 modern Constellations
Andromeda | Antlia | Apus | Aquarius | Aquila | Ara | Aries | Auriga | Boötes | Caelum | Camelopardalis | Cancer | Canes Venatici | Canis Major | Canis Minor | Capricornus | Carina | Cassiopeia | Centaurus | Cepheus | Cetus | Chamaeleon | Circinus | Columba | Coma Berenices | Corona Australis | Corona Borealis | Corvus | Crater | Crux | Cygnus | Delphinus | Dorado | Draco | Equuleus | Eridanus | Fornax | Gemini | Grus | Hercules | Horologium | Hydra | Hydrus | Indus | Lacerta | Leo | Leo Minor | Lepus | Libra | Lupus | Lynx | Lyra | Mensa | Microscopium | Monoceros | Musca | Norma | Octans | Ophiuchus | Orion | Pavo | Pegasus | Perseus | Phoenix | Pictor | Pisces | Piscis Austrinus | Puppis | Pyxis | Reticulum | Sagitta | Sagittarius | Scorpius | Sculptor | Scutum | Serpens | Sextans | Taurus | Telescopium | Triangulum | Triangulum Australe | Tucana | Ursa Major | Ursa Minor | Vela | Virgo | Volans | Vulpecula

Orion is a remarkable constellation, visible from most places on the globe (but not always the whole year long). ... Andromeda is a constellation named for the princess Andromeda (which is Greek for Ruler over men), a character in greek mythology. ... The constellation Antlia (Latin for pump) is a relatively new constellation as it was only created in the 18th century, being too faint to be acknowledged by the ancient greeks. ... For the genus of birds, see Apus (biology). ... Aquarius (♒), being Latin for of the water, is one of the oldest recognized constellations along the zodiac, the suns apparent path. ... Aquila (Latin for Eagle), is one of the 48 constellations listed by Ptolemy and is now also part of the list of 88 constellations acknowledged by the IAU. It lies roughly at the celestial equator. ... Ara (Latin for Altar) is a faint southerly constellation between the constellations Centaurus and Lupus. ... Aries (♈) is one of the constellations of the zodiac, and its name is Latin for Ram. ... Auriga (Latin for chariot) is a northern constellation. ... Boötes, a name deriving from Egypt, is one of the 88 modern constellations and was also one of the 48 constellations listed by Ptolemy. ... Categories: Astronomy stubs | Modern constellations | Constellations ... Camelopardalis, Latin for giraffe, is the name of a large but faint northern constellation first recorded by Jakob Bartsch in 1624, but probably created earlier by Petrus Plancius. ... In astronomy and astrology, Cancer (♋), Latin for crab, is one of the twelve constellations of the zodiac. ... Canes Venatici (Latin for hunting dogs) is a small northern constellation that was introduced by Johannes Hevelius in the 17th century. ... Canis Major (Latin for big dog) is one of the 88 modern constellations, and was also in Ptolemys list of 48 constellations. ... Canis Minor (Latin for little dog) is one of the 88 modern constellations, and was also in Ptolemys list of 48 constellations. ... Capricornus (♑), a name meaning Horned Goat or That which has horns like a goats in Latin, is one of the constellations of the zodiac. ... Carina (Latin for keel) is a southern constellation which forms part of the old constellation of Argo Navis. ... Cassiopeia is a northern constellation which greek mythology considered to represent a vain queen. ... Centaurus (Latin for centaur) was one of the 48 constellations listed by Ptolemy, and counts also among the 88 modern constellations. ... Cepheus is a northern constellation named after a character in Greek mythology, and is considered to representing a king. ... Cetus (a name from Greek mythology, referring to a Whale or Sea monster) is a constellation of the southern sky, in the region known as the Water, near other watery constellations like Aquarius, Pisces, and Eridanus. ... Chamaeleon (Latin for chameleon) is a minor southern constellation that was included in Johann Bayers Uranometria, but may have been in use somewhat earlier. ... Circinus, Latin for Compass, is one of the small southern (declination -50 to -60 degrees) constellations. ... Columba, Latin for dove, is a small constellation just south to Canis Major and Lepus, it was cut out of the constellation Canis Major by Augustin Royer, in 1679. ... Coma Berenices (Latin for Berenices Hair) is a traditional asterism that has since become a constellation. ... Categories: Astronomy stubs | Modern constellations | Constellations ... Corvus (Latin for Raven/Crow) is a small southern constellation with only 11 stars visible to the naked eye (brighter than magnitude 5. ... Categories: Astronomy stubs | Constellations listed by Ptolemy | Modern constellations | Constellations ... Crux, being Latin for cross, commonly known as the Southern Cross (in contrast to the Northern Cross), is the smallest of the 88 modern constellations, but also one of the most famous. ... Cygnus (Latin for swan) is a northern constellation. ... Delphinus (disambiguation). ... Categories: Astronomy stubs | Modern constellations | Constellations | Dorado constellation ... Draco (Latin for Dragon) is a far northern constellation that is circumpolar for many northern hemisphere observers. ... References Burnham, Robert (1978). ... Categories: Astronomy stubs | Constellations listed by Ptolemy | Modern constellations | Constellations ... Categories: Astronomy stubs | Modern constellations | Constellations ... In mythology, the Gemini are Castor and Polydeuces. ... Categories: Astronomy stubs | Modern constellations | Constellations ... Hercules is the fifth largest of the 88 modern constellations. ... Categories: Astronomy stubs | Modern constellations | Constellations ... Hydra is the largest of the 88 modern constellations, and was also one of the 48 constellations listed by Ptolemy. ... Hydrus (Latin for Hydra, also referred to as male Hydra or little Hydra) is a minor southern constellation. ... Categories: Astronomy stubs | Modern constellations | Constellations ... For the biological genus of lizards, see Lacerta (genus). ... Leo (Latin for lion) is a constellation of the zodiac. ... Leo Minor (Latin for Small Lion) is a rather dim constellation that can - barely - be recognized as a triangle and lies between the easily discerned constellations Ursa Major and Leo. ... Categories: Astronomy stubs | Constellations listed by Ptolemy | Modern constellations | Constellations | Lepus constellation ... Libra (♎, and Latin for balance) is a constellation of the zodiac. ... Lupus (Latin for Wolf) is a southern constellation. ... Categories: Astronomy stubs | Modern constellations | Constellations | Northern constellations ... The constellation Lyra (Latin for Lyre) already formed part of Ptolemys list of 48 constellations and is also one of the 88 modern constellations approved by the IAU. Lyra is not very big but still easy to find because its principal star, Vega, is also a vertex of Summer... Mensa (Latin for Table) is a southern constellation which was first introduced by Nicolas Louis de Lacaille under the name Mons Mensae (Latin for table mountain). ... Categories: Astronomy stubs | Modern constellations | Constellations ... Monoceros (Latin for Unicorn) is a faint constellation on the winter night sky, surrounded by Orion to the west, Gemini to the north, Canis Major to the south and Hydra to the east. ... Categories: Astronomy stubs | Modern constellations | Constellations ... Categories: Astronomy stubs | Modern constellations | Constellations ... Categories: Astronomy stubs | Modern constellations | Constellations ... Ophiuchus (known as the serpent holder) is one of the 88 constellations, and was also one of the 48 listed by Ptolemy. ... Orion, a constellation often referred to as The Hunter, is a prominent constellation, perhaps the best-known in the sky. ... Categories: Astronomy stubs | Modern constellations | Constellations | Pavo constellation ... Pegasus is a northern constellation, named after the mythological Pegasus. ... Perseus is a northern constellation, named after the Greek hero who slew the monster Medusa. ... Categories: Astronomy stubs | Modern constellations | Constellations ... Pictor, being Latin for easel, is one of the minor southern (declination -50 to -60) constellations. ... Pisces (♓, Latin for fish (plural)) is a zodiac constellation which lies between Aquarius to the west and Aries to the east. ... Categories: Astronomy stubs | Constellations listed by Ptolemy | Modern constellations | Constellations | Piscis Austrinus constellation ... Categories: Astronomy stubs | Modern constellations | Constellations | Puppis constellation | Argo Navis constellation ... Categories: Astronomy stubs | Modern constellations | Constellations | Pyxis constellation | Argo Navis constellation ... Reticulum (Latin for reticle), is one of the minor southern (declination -60 degrees) constellations. ... Sagitta, being Latin for Arrow, is the third-smallest of all constellations (only Equuleus and Crux are smaller). ... Sagittarius (♐, and Latin for Archer) is a constellation of the zodiac, commonly depicted as a centaur drawing a bow. ... Scorpius (♏, and Latin for scorpion) is one of the constellations of the zodiac. ... Categories: Astronomy stubs | Modern constellations | Constellations | Sculptor constellation ... For the Roman shield, see Scutum (shield). ... Serpens (the snake) is one of the 88 modern constellations, and was also one of the 48 listed by Ptolemy. ... For the Ancient Roman coin denomination, see sextans (coin). ... Taurus (♉) is one of the constellations of the zodiac, and its name is Latin for Bull. ... Telescopium - Wikipedia /**/ @import /skins/monobook/IE50Fixes. ... Triangulum is a small northern constellation whose three brightest stars, of third and fourth magnitude, form an elongated triangle. ... For the northern constellation, see Triangulum. ... Categories: Astronomy stubs | Modern constellations | Constellations ... Ursa Major is a constellation visible throughout the year in the northern hemisphere. ... Ursa Minor is a constellation in the northern sky, the name of which means Small Bearin Latin. ... Categories: Astronomy stubs | Modern constellations | Constellations | Vela constellation | Argo Navis constellation ... See VIRGO (physics) for a French-Italian project in physics. ... Categories: Astronomy stubs | Modern constellations | Constellations | Volans constellation ... Vulpecula, being Latin for Fox, is a faint northern constellation located in the middle of the Summer Triangle, an asterism consisting of the stars Deneb, Vega and Altair. ...

External links

Wikimedia Commons has more media related to:
Corona Borealis
  • The Deep Photographic Guide to the Constellations: Corona Borealis (http://www.allthesky.com/constellations/coronaborealis/)

  Results from FactBites:
 
Corona Borealis - definition of Corona Borealis in Encyclopedia (177 words)
Corona Borealis (the northern crown) is a small northern constellation whose main stars form a semicircular arc.
The "Borealis" (northern) was added later on, in contrast to Corona Australis, the southern crown.
Corona Borealis represents a crown that was given by Dionysus to Ariadne, the daughter of Minos of Crete.
AllRefer.com - Corona Borealis, Constellation (Constellations) - Encyclopedia (178 words)
Corona Borealis[bOrEal´us] Pronunciation Key [Lat.,=the northern crown], northern constellation lying between Hercules and BoOtes.
The constellation is a small arc of bright stars, of which the brightest is Alphecca (Alpha Coronae Borealis).
Corona Borealis reaches its highest point in the evening sky in early July.
  More results at FactBites »

 
 

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