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Encyclopedia > Ara (constellation)
Ara

click for larger image This is a celestial map of the constellation Ara, the Altar. ...

Abbreviation Ara
Genitive Arae
Symbology the Altar
Right ascension 17.39 h
Declination −53.58°
Area 237 sq. deg.
Ranked 63rd
Number of stars
(magnitude < 3)
1
Brightest star β Ara
(App. magnitude 2.9)
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 +25° and −90°
Best visible at 21:00 (9 p.m.) during the month of July

Ara (Latin for Altar) is a faint southerly constellation between the constellations Centaurus and Lupus. Categories: Astronomy stubs | Modern constellations | Constellations ... Scorpius (♏, and Latin for scorpion) is one of the constellations of the zodiac. ... Norma (Latin for Normal, i. ... Triangulum Australe is a small southern constellation whose three brightest stars, of second and third magnitude, form an approximately equilateral triangle. ... Apus (Latin for bird of paradise) is a faint southern constellation, not visible to the ancient Greeks. ... Pavo, being Latin for Peacock, is a southern constellation. ... Telescopium - Wikipedia /**/ @import /skins/monobook/IE50Fixes. ... 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 originally spoken in the region around Rome called Latium. ... Picture of an altar from the Meyer Encyclopaedia An altar, (Hebrew mizbeah, from a word meaning to slay) is any structure on which sacrifices known as the korbanot as well as incense offerings are offered for religious purposes. ... Orion is a remarkable constellation, visible from most places on the globe (but not always the whole year long). ... Centaurus (Latin for centaur) was one of the 48 constellations listed by Ptolemy, and counts also among the 88 modern constellations. ... Lupus (Latin for Wolf) is a southern constellation. ...

Contents


Notable features

Ara's brightest star, β Arae, has an apparent magnitude of 2.9. Its γ star is a double star just south of β. μ Arae is believed to have at least three planets orbiting it, one of which is thought to be rocky in nature. 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. ... Double Star is a science fiction novel by Robert A. Heinlein. ... Mu Arae (NASA Nstars database) Mu Arae (μ Ara / μ Arae) is a 5th magnitude yellow-orange G-type star similar to our Sun. ...


Notable deep sky objects

The northwest corner of Ara is crossed by the Milky Way and contains several open clusters and diffuse nebulae. The brightest of the globular clusters, NGC 6397, is 8,200 light-years from our solar system and may be the closest such cluster. The Milky Way (a translation of the Latin Via Lactea, in turn derived from the Greek Galaxia Kuklos) is the galaxy in which the Earth is found. ... An open cluster is a group of up to a few thousand stars that were formed from the same giant molecular cloud, and are still gravitationally bound to each other. ... In astronomy, diffuse nebulae is the common term for both reflection nebulae and emission nebulae. ... A globular cluster is a spherical bundle of stars (star cluster) that orbits a galaxy as a satellite. ... Globular Cluster NGC 6397 (also known as NGC 6397) is a globular cluster in the Ara constellation. ... A light year, abbreviated ly, is the distance light travels in one year: roughly 9. ... Presentation of the Solar system (not to scale). ...


History

This constellation was one of Ptolemy's original 48 constellations. Claudius Ptolemaeus, given contemporary German styling, in a 16th century engraved book frontispiece Claudius Ptolemaeus (Greek: Κλαύδιος Πτολεμαῖος; c. ...


Mythology

The altar, usually depicted upside down, but sometimes upright with the smoke drifting into the Milky Way, was identified as that of the centaur Chiron; its original Latin name was Ara Centauri. It was also occasionally called the altar of Dionysus. Since, however, the constellation was identified, and introduced, in the 18th Century, connection to the this mythology is likely to have been by design of the constellation's creator, and unconnected to the actual beliefs of the ancient Greeks about this area of sky. Guido Reni, Abduction of Deianira, 1620-21 In Greek mythology, the centaurs (Greek: Κένταυροι) are a race part human and part horse, with a horses body and a human head and torso. ... In Greek mythology, Chiron (hand) — sometimes spelled Cheiron — was held as the superlative centaur over his brethren. ... 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. ...


Stars

Stars with proper names:
  • (α Ara) 2.95 Choo [Tchou]
    < 杵 (Mandarin chǔ) The pestle
  • (δ Ara) 3.62 Tseen Yin
    < 天陰 (Mandarin tiānyīn) The dark sky [actually in Aries?]
  • 1,2 Ara) Tso Kang – double 4.06, 5.27
    < 左更 (Mandarin zuŏgēng) The left watch [actually in Aries?]
  • (ζ Ara) 3.12 Tseen Yin
Stars with Bayer designations:
β Ara 2.85; γ Ara 3.34; θ Ara 3.65; η Ara 3.77; ι Ara 5.21; κ Ara 5.19; λ Ara 4.76; μ Ara 5.14 – has 3 planets; π Ara 5.25; σ Ara 4.56; υ1 Ara 5.68; υ2 Ara 6.09


Mu Arae (NASA Nstars database) Mu Arae (μ Ara / μ Arae) is a 5th magnitude yellow-orange G-type star similar to our Sun. ...

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. ... 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 ... Corona Borealis (Latin for northern crown) is a small northern constellation whose main stars form a semicircular arc. ... Corvus (Latin for Raven/Crow) is a small southern constellation with only 11 stars visible to the naked eye (brighter than magnitude 5. ... Crater (Latin for cup) is one of the 88 modern constellations and was also one of the 48 listed by Ptolemy. ... For the software company, see Cygnus Solutions. ... Delphinus, being Latin for Dolphin, is a rather small (ranked 69th) northern constellation very close to the celestial equator. ... Draco (Latin for Dragon) is a far northern constellation that is circumpolar for many northern hemisphere observers. ... Equuleus (Latin for horse-let (i. ... Eridanus is the sixth largest of the 88 modern 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. ... Lepus (Latin for Hare) is a constellation, lying just south of Orion, and possibly representing a hare being chased by him. ... 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 the... 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. ... Piscis Austrinus or Piscis Australis (both of which are Latin for Southern Fish) was one of the 48 constellations listed by Ptolemy, and is also one of the 88 modern 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. ... 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 Bear in 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. ... Apus (Latin for bird of paradise) is a faint southern constellation, not visible to the ancient Greeks. ... 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. ... 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. ... Caelum (Latin for chisel, and similar to Latin for of the Sky) is a minor southern constellation introduced by Nicolas Louis de Lacaille. ... 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. ... For other uses of the word, see chameleon (disambiguation) Chamaeleon (Latin for chameleon) is a minor southern constellation. ... 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 ... Corona Borealis (Latin for northern crown) is a small northern constellation whose main stars form a semicircular arc. ... Corvus (Latin for Raven/Crow) is a small southern constellation with only 11 stars visible to the naked eye (brighter than magnitude 5. ... Crater (Latin for cup) is one of the 88 modern constellations and was also one of the 48 listed by Ptolemy. ... 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. ... For the software company, see Cygnus Solutions. ... Delphinus, being Latin for Dolphin, is a rather small (ranked 69th) northern constellation very close to the celestial equator. ... Other uses: dorado is used in the fisheries of some Latin American countries to denote the edible fish mahi-mahi (Coryphaena hippurus Dorado is also the name of mythical Latin American warriors. ... Draco (Latin for Dragon) is a far northern constellation that is circumpolar for many northern hemisphere observers. ... Equuleus (Latin for horse-let (i. ... Eridanus is the sixth largest of the 88 modern 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. ... Horologium (Latin for clock) is one of the lesser southern constellations (declination around -60 degrees). ... 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 ... Lacerta, being Latin for Lizard, is one of the 88 official constellations acknowledged by the International Astronomical Union. ... 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. ... Lepus (Latin for Hare) is a constellation, lying just south of Orion, and possibly representing a hare being chased by him. ... Libra (♎, and Latin for balance) is a constellation of the zodiac. ... Lupus (Latin for Wolf) is a southern constellation. ... Lynx is a constellation of the northern hemisphere, introduced in the 17th century by Johannes Hevelius. ... 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 the... 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. ... Musca (Latin for Fly) is one of the minor southern constellations. ... Norma (Latin for Normal, i. ... Octans (Latin for octant) is an inconspicuous constellation introduced by Nicolas Louis de Lacaille. ... 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. ... Pavo, being Latin for Peacock, is a southern 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. ... Piscis Austrinus or Piscis Australis (both of which are Latin for Southern Fish) was one of the 48 constellations listed by Ptolemy, and is also one of the 88 modern constellations. ... 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 ... Scutum (Latin for shield) is a small constellation. ... 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. ... Triangulum Australe is a small southern constellation whose three brightest stars, of second and third magnitude, form an approximately equilateral triangle. ... 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 Bear in 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 bright stars Deneb, Vega and Altair. ...

External links

Commons
Wikimedia Commons has more media related to:
Ara
  • The Deep Photographic Guide to the Constellations: Ara

  Results from FactBites:
 
Ara (constellation) - Wikipedia, the free encyclopedia (321 words)
Ara (Latin for Altar) is a faint southerly constellation between the constellations Telescopium and Norma.
This constellation was one of Ptolemy's original 48 constellations.
Since, however, the constellation was identified, and introduced, in the 18th Century, connection to this mythology is likely to have been by design of the constellation's creator, and unconnected to the actual beliefs of the ancient Greeks about this area of sky.
  More results at FactBites »

 
 

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