η Telescopii (eta Telescopii)

η Telescopii is a hypergiant star in the constellation of Telescopium.

η Telescopii visual magnitude is 5.05. Because of its reltive faintness, η Telescopii should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of η Telescopii is 0.015 arcsec per year in Right Ascension and -0.072 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Key facts about η Telescopii

Celestial coordinates and finder chart of η Telescopii

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

The simplified sky map below shows the position of η Telescopii in the sky:

Visibility of η Telescopii from your location

η Telescopii (eta Telescopii) is currently not visible from Greenwich, United Kingdom edit_location_alt

Distance of η Telescopii from the Sun and relative movement

η Telescopii is distant 155.39 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

Spectral properties of η Telescopii

η Telescopii belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.

The red dot in the diagram below shows where η Telescopii is situated in the Hertzsprung–Russell diagram.

Alternative designations of η Telescopii