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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:58 
Transit: 12:56 
Sunset: 20:55
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All Constellations » Triangulum Australe » 

β Trianguli Australis (beta Trianguli Australis)

Below the horizon.  Never rises today
Alt: -42.10°   Az: 216.71°   Direction: South-West

β Trianguli Australis is a double giant star of spectral class F2 in the constellation of Triangulum Australe.

β Trianguli Australis visual magnitude is 2.85. Because of its brightness, β Trianguli Australis is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

Image of β Trianguli Australis (beta Trianguli Australis) star
DSS2 image of β Trianguli Australis. The red arrow shows the motion of β Trianguli Australis during the next 1000 years (-3.18 arcmin in Right Ascension and -6.63 arcmin in declination);

Celestial Coordinates

Apparent

15h 57m 24s
-63° 30’ 11”
05h 35m 21s
21h 32m 46s

J2000

15h 55m 08s
-63° 25’ 50”

Galactic Coordinates

321.85°
-7.52°

Finder Chart

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Finder chart for β Trianguli Australis (beta Trianguli Australis).

Magnitude, Color, Spectral Class

2.85
Giant

2.40
F2III
7526K

The red dot in the diagram below shows where β Trianguli Australis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of β Trianguli Australis. Attribution: Richard Powell / CC BY-SA

Star System Properties

β Trianguli Australis is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the β Trianguli Australis double sysyem:

2.85
13.85
11
155 arcsec

Distance, Radial Speed, Proper Motion

β Trianguli Australis is distant 40.13 light years from the Sun

12.31
40.13
-0.191 arcsec/y
-0.398"/y

Alternative Designations

β Trianguli Australis
(beta Trianguli Australis)
SAO253346
SAO253346
Gl 601 A

Visibility from Your Location

β Trianguli Australis (beta Trianguli Australis) is currently not visible from Greenwich, UK