ε Telescopii (epsilon Telescopii)

Below the horizon. Never rises today

Alt: -49.00° Az: 108.29° Direction: South-South-West

ε Telescopii is a double hypergiant star of spectral class K0 in the constellation of Telescopium.

ε Telescopii visual magnitude is 4.53. Because of its moderate brightness, ε Telescopii is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of ε Telescopii (epsilon Telescopii) star

DSS2 image of ε Telescopii. The red arrow shows the motion of ε Telescopii during the next 10000 years (-2.83 arcmin in Right Ascension and -6.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 13m 07s

Declination -45° 56’ 48”

Hour Angle 16h 14m 28s

Sidereal Time 10h 27m 36s

J2000

Right Ascension 18h 11m 13s

Declination -45° 57’ 15”

Galactic Coordinates

Galactic Longitude 347.5°

Galactic Latitude -12.69°

Finder Chart

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Finder chart for ε Telescopii (epsilon Telescopii).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.53

Class Hypergiant

Absolute magnitude -0.96

Spectral Type K0III

Color Index (B-V) 1.01

Temperature 4719K

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

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

Star System Properties

ε Telescopii 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 Telescopii double sysyem:

Main star magnitude 4.53

Secondary star magnitude 12.93

Magnitude difference 8.4

Separation 21.2 arcsec

Distance, Radial Speed, Proper Motion

ε Telescopii is distant 408.52 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

Distance (parsec) 125.31

Distance (light year) 408.52

Radial Speed -26 km/s

Proper Motion RA -0.017 arcsec/y

Proper Motion Dec -0.037"/y

Alternative Designations

Bayer designation ε Telescopii
(epsilon Telescopii)

Henry Draper Catalogue HD166063

SAO Catalogue SAO228777

Hipparcos Catalogue HIP89112

Durchmusterung Catalogue CD-4512251

FK5 Catalogue 1473

Visibility from Your Location

ε Telescopii (epsilon Telescopii) is currently not visible from Greenwich, UK

Set Location

Other stars in Telescopium