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public LocationGreenwich, UK
Sunrise: 4:42 
Transit: 13:00 
Sunset: 21:18
sunny   (Daytime)   What's Visible Now?

τ2 Arietis (tau2 Arietis)

Above the horizon.  Rise: 2:27 | Tran: 10:18 | Set: 18:09
Altitude: 59.2°   Azimuth: 176.5°   Direction: South

τ2 Arietis is a giant star of spectral class K3 in the constellation of Aries.

τ2 Arietis visual magnitude is 5.09. Because of its faintness, τ2 Arietis is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Celestial coordinates and finder chart of τ2 Arietis

Finder chart τ2 Arietis (tau2 Arietis) star
Simplified finder chart for τ2 Arietis (tau2 Arietis).

τ2 Arietis is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of τ2 Arietis are provided in the following table:

03h 22m 45s
+20° 44’ 30”
Image of τ2 Arietis (tau2 Arietis) star
DSS2 image of τ2 Arietis. The red arrow shows the motion of τ2 Arietis during the next 10000 years (-7.33 arcmin in Right Ascension and -3.67 arcmin in declination);

Key facts about τ2 Arietis


and has a luminosity class of III corresponding to a giant star.


The red dot in the diagram below shows where τ2 Arietis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of τ2 Arietis. Attribution: Richard Powell / CC BY-SA

Distance of τ2 Arietis from the Sun and relative movement

τ2 Arietis is distant 318.67 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

97.75 pc
318.67 ly
2 km/s
-0.044 arcsec/year
-0.022 arcsec/year

Alternative designations of τ2 Arietis

τ2 Arietis
(tau2 Arietis)

Visibility of τ2 Arietis from your location

Today's τ2 Arietis (tau2 Arietis) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 69.3°
Max altitude: 59.3°
Azimuth: 290.7°