Triangulum Australe

Triangulum australe
Triangulum australe
List of stars in Triangulum australe
Abbreviation: TrA
Genitive: Trianguli Australis
Symbology: the Southern Triangle
Right ascension: 16 h
Declination: −65°
Area: 110 sq. deg. (83rd)
Main stars: 3
Bayer/Flamsteed stars: 10
Stars known to have planets: 0
Bright stars: 3
Nearby stars: 2
Brightest star: α TrA (Atria) (1.91m)
Nearest star: ζ TrA (39.5 ly)
Messier objects: None
Meteor showers: None
Bordering constellations: Norma
Ara
Circinus
Apus
Visible at latitudes between +25° and −90°
Best visible at 21:00 (9 p.m.) during the month of July

Triangulum Australe ( Latin: South Triangle) is a small southern constellation whose three brightest stars, of second and third magnitude, form an approximately equilateral triangle. This constellation was introduced by Johann Bayer in 1603.

Since it was introduced in the 17th century, there is no earlier mythology associated with it.

Notable features

NGC 6025 is an open cluster with about 30 stars ranging from 7th to 9th magnitude.

See also

* Triangulum

References

* Ian Ridpath and Wil Tirion (2007). Stars and Planets Guide, Collins, London. ISBN 978-0007251209. Princeton University Press, Princeton. ISBN 978-0691135564.

Links











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


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