Triangulum Australe

From Freepedia

For the northern constellation, see Triangulum.

Triangulum australe
Image:Triangulum australe constellation map.png click for larger image
Abbreviation	TrA
Genitive	Trianguli Australis
Symbology	the Southern Triangle
Right ascension	16 h
Declination	-65°
Area	110 sq. deg. Ranked 83rd
Number of stars (magnitude < 3)	3
Brightest star	α TrA (Atria) (App. magnitude 1.91)
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 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.

1 Mythology
2 Notable and named stars
3 See Also
4 External links

Mythology

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

Notable and named stars

BD	Names and other designations	Mag.	Ly away	Comments
α	Alpha Trianguli Australis, Atria	1.91	415	Atria derived from Alpha Trianguli Australis
β	Beta Trianguli Australis	2.83	40.1
γ	Gamma Trianguli Australis	2.87	183
δ	Delta Trianguli Australis	3.86	621
ε	Epsilon Trianguli Australis	4.11	216
ζ	Zeta Trianguli Australis	4.90	39.5
κ	Kappa Trianguli Australis	5.11	> 2000
ι	Iota Trianguli Australis	5.28	132	Gamma Doradus type variable star
θ	Theta Trianguli Australis	5.50	328
η	Eta Trianguli Australis	5.89	690