τ1 Arietis (tau1 Arietis)
τ1 Arietis is a multiple sub-giant star in the constellation of Aries.
τ1 Arietis visual magnitude is 5.28. Because of its reltive faintness, τ1 Arietis 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 τ1 Arietis:
Celestial coordinates and finder chart of τ1 Arietis
τ1 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 τ1 Arietis are provided in the following table:
The simplified sky map below shows the position of τ1 Arietis in the sky:
Visibility of τ1 Arietis from your location
Digitized Sky Survey image of τ1 Arietis
The image below is a photograph of τ1 Arietis 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 τ1 Arietis is 0.025 arcsec per year in Right Ascension and -0.024 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of τ1 Arietis from the Sun and relative movement
τ1 Arietis is distant 461.76 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.
Spectral properties of τ1 Arietis
τ1 Arietis belongs to spectral class B5 and has a luminosity class of IV corresponding to a sub-giant star.
The red dot in the diagram below shows where τ1 Arietis is situated in the Hertzsprung–Russell diagram.
τ1 Arietis star system properties
τ1 Arietis 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 τ1 Arietis double sysyem: