ξ Telescopii (xi Telescopii)

Below the horizon. Never rises today

Alt: -77.70° Az: 255.97° Direction: South-South-West

ξ Telescopii is a variable bright giant star of spectral class M1 in the constellation of Telescopium.

ξ Telescopii visual magnitude is 4.94. Because of its moderate brightness, ξ 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 ξ Telescopii (xi Telescopii) star

DSS2 image of ξ Telescopii. The red arrow shows the motion of ξ Telescopii during the next 10000 years (-2.33 arcmin in Right Ascension and 1.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 09m 19s

Declination -52° 48’ 19”

Hour Angle 10h 40m 00s

Sidereal Time 06h 49m 20s

J2000

Right Ascension 20h 07m 23s

Declination -52° 52’ 50”

Galactic Coordinates

Galactic Longitude 345.55°

Galactic Latitude -32.57°

Finder Chart

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Finder chart for ξ Telescopii (xi Telescopii).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.94

Class Bright giant

Absolute magnitude -2.99

Spectral Type M1II

Color Index (B-V) 1.62

Temperature 3622K

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

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

Distance, Radial Speed, Proper Motion

ξ Telescopii is distant 1,253.85 light years from the Sun and it is moving far from the Sun at the speed of 36 kilometers per second.

Distance (parsec) 384.62

Distance (light year) 1,253.85

Radial Speed 36 km/s

Proper Motion RA -0.014 arcsec/y

Proper Motion Dec 0.008"/y

Alternative Designations

Bayer designation ξ Telescopii
(xi Telescopii)

Henry Draper Catalogue HD190421

SAO Catalogue SAO246443

Hipparcos Catalogue HIP99120

Durchmusterung Catalogue CP-53 9794

FK5 Catalogue 755

General Catalogue of Variable Stars 12783

Visibility from Your Location

ξ Telescopii (xi Telescopii) is currently not visible from Greenwich, UK

Set Location

Other stars in Telescopium