ω Lupi (omega Lupi)

Below the horizon. Never rises today

Alt: -5.75° Az: 194.79° Direction: South-South-West

ω Lupi is a double giant star of spectral class K4 in the constellation of Lupus.

ω Lupi visual magnitude is 4.33. Because of its moderate brightness, ω Lupi 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.

DSS2 image of ω Lupi. The red arrow shows the motion of ω Lupi during the next 1000 years (-2.55 arcmin in Right Ascension and 0.95 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 39m 46s

Declination -42° 38’ 56”

Hour Angle 01h 20m 49s

Sidereal Time 17h 00m 36s

J2000

Right Ascension 15h 38m 03s

Declination -42° 34’ 03”

Galactic Coordinates

Galactic Longitude 332.78°

Galactic Latitude 10.44°

Finder Chart

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Finder chart for ω Lupi (omega Lupi).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.33

Class Giant

Absolute magnitude 0.09

Spectral Type K4III

Color Index (B-V) 1.42

Temperature 3918K

The red dot in the diagram below shows where ω Lupi is situated in the Hertzsprung–Russell diagram.

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

Star System Properties

ω Lupi 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 ω Lupi double sysyem:

Main star magnitude 4.33

Secondary star magnitude 11.03

Magnitude difference 6.7

Separation 11.8 arcsec

Distance, Radial Speed, Proper Motion

ω Lupi is distant 229.74 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

Distance (parsec) 70.47

Distance (light year) 229.74

Radial Speed -7 km/s

Proper Motion RA -0.153 arcsec/y

Proper Motion Dec 0.057"/y

Alternative Designations

Bayer designation ω Lupi
(omega Lupi)

Henry Draper Catalogue HD139127

SAO Catalogue SAO226004

Hipparcos Catalogue HIP76552

Durchmusterung Catalogue CD-4210601

FK5 Catalogue 3232

Visibility from Your Location

ω Lupi (omega Lupi) is currently not visible from Greenwich, UK

Set Location

Other stars in Lupus