ε Trianguli (epsilon Trianguli)
ε Trianguli is a variable and double main-sequence star in the constellation of Triangulum.
ε Trianguli visual magnitude is 5.5. Because of its reltive faintness, ε Trianguli 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 ε Trianguli:
Celestial coordinates and finder chart of ε Trianguli
ε Trianguli is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of ε Trianguli are provided in the following table:
The simplified sky map below shows the position of ε Trianguli in the sky:
Visibility of ε Trianguli from your location
Digitized Sky Survey image of ε Trianguli
The image below is a photograph of ε Trianguli 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 ε Trianguli is -0.016 arcsec per year in Right Ascension and -0.013 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of ε Trianguli from the Sun and relative movement
ε Trianguli is distant 370.03 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.
Spectral properties of ε Trianguli
ε Trianguli belongs to spectral class A2 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where ε Trianguli is situated in the Hertzsprung–Russell diagram.
ε Trianguli star system properties
ε Trianguli 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 ε Trianguli double sysyem: