Your guide to the Solar System and the night sky
Latest Perseverance Images received 2 hours 47 mins ago for Sol277, Sol276, Sol208, Sol207, Sol206, Sol205, Sol204, Sol203, Sol202, Sol198
Please donate now to help keep TheSkyLive ads-free. This site cannot run without your voluntary donations.
🌎  Greenwich, United Kingdom [change]

θ Trianguli Australis (theta Trianguli Australis)

θ Trianguli Australis is a giant star in the constellation of Triangulum Australe.

θ Trianguli Australis visual magnitude is 5.52. Because of its reltive faintness, θ Trianguli Australis should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about θ Trianguli Australis:

5.52
Giant
θ Trianguli Australis (theta Trianguli Australis) is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of θ Trianguli Australis

θ Trianguli Australis is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of θ Trianguli Australis are provided in the following table:

16h 35m 44s
-65° 29’ 43”
323.54°
-12.06°
Triangulum Australe

The simplified sky map below shows the position of θ Trianguli Australis in the sky:

Finder chart θ Trianguli Australis (theta Trianguli Australis) star
Simplified finder chart for θ Trianguli Australis (theta Trianguli Australis).

Visibility of θ Trianguli Australis from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

θ Trianguli Australis (theta Trianguli Australis) is currently not visible from Greenwich, United Kingdom [change]

Digitized Sky Survey image of θ Trianguli Australis

The image below is a photograph of θ Trianguli Australis from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of θ Trianguli Australis is 0.032 arcsec per year in Right Ascension and -0.029 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of θ Trianguli Australis (theta Trianguli Australis) star
DSS2 image of θ Trianguli Australis. The red arrow shows the motion of θ Trianguli Australis during the next 10000 years (5.33 arcmin in Right Ascension and -4.83 arcmin in declination);

Distance of θ Trianguli Australis from the Sun and relative movement

θ Trianguli Australis is distant 327.97 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

100.60 pc
327.97 ly
10 km/s
0.032 arcsec/year
-0.029 arcsec/year

Spectral properties of θ Trianguli Australis

θ Trianguli Australis belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.

0.51
G8III
4917K

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

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

Alternative designations of θ Trianguli Australis

θ Trianguli Australis
(theta Trianguli Australis)
SAO253614
SAO253614