τ2 Arietis (tau2 Arietis)

Above the horizon. Rise: 10:16 | Tran: 18:07 | Set: 2:03

Alt: 48.58° Az: 124.13° Direction: South-East

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.

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);

Celestial Coordinates

Apparent

Right Ascension 03h 24m 12s

Declination +20° 49’ 48”

Hour Angle 21h 36m 31s

Sidereal Time 01h 00m 44s

J2000

Right Ascension 03h 22m 45s

Declination +20° 44’ 30”

Galactic Coordinates

Galactic Longitude 164.27°

Galactic Latitude -29.73°

Finder Chart

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Finder chart for τ2 Arietis (tau2 Arietis).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.09

Class Giant

Absolute magnitude 0.14

Spectral Type K3III

Color Index (B-V) 1.24

Temperature 4232K

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

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

Distance, Radial Speed, Proper Motion

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.

Distance (parsec) 97.75

Distance (light year) 318.67

Radial Speed 2 km/s

Proper Motion RA -0.044 arcsec/y

Proper Motion Dec -0.022"/y

Alternative Designations

Bayer designation τ2 Arietis
(tau2 Arietis)

Flamsteed designation 63 Arietis

Henry Draper Catalogue HD20893

SAO Catalogue SAO75899

Hipparcos Catalogue HIP15737

Durchmusterung Catalogue BD+20 551

Visibility 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: 69.2° RISE 10:16

Max altitude: 59.4° TRANSIT 18:07

Azimuth: 290.8° SET 2:03

Set Location

Other stars in Aries