δ Lupi (delta Lupi)

Below the horizon. Never rises today

Alt: -14.30° Az: 139.57° Direction: South-East

δ Lupi is a variable sub-giant star of spectral class B1 in the constellation of Lupus.

δ Lupi visual magnitude is 3.22. Because of its moderate brightness, δ 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 δ Lupi. The red arrow shows the motion of δ Lupi during the next 10000 years (-2.50 arcmin in Right Ascension and -4.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 23m 02s

Declination -40° 44’ 14”

Hour Angle 20h 15m 50s

Sidereal Time 11h 38m 53s

J2000

Right Ascension 15h 21m 22s

Declination -40° 38’ 51”

Galactic Coordinates

Galactic Longitude 331.32°

Galactic Latitude 13.82°

Finder Chart

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Finder chart for δ Lupi (delta Lupi).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 3.22

Class Sub-giant

Absolute magnitude -2.75

Spectral Type B1IV

Color Index (B-V) -0.22

Temperature 14087K

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

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

Distance, Radial Speed, Proper Motion

δ Lupi is distant 510.17 light years from the Sun

Distance (parsec) 156.49

Distance (light year) 510.17

Proper Motion RA -0.015 arcsec/y

Proper Motion Dec -0.026"/y

Alternative Designations

Bayer designation δ Lupi
(delta Lupi)

Henry Draper Catalogue HD136298

SAO Catalogue SAO225691

Hipparcos Catalogue HIP75141

Durchmusterung Catalogue CD-40 9538

FK5 Catalogue 1402

General Catalogue of Variable Stars Del Lup

Visibility from Your Location

δ Lupi (delta Lupi) is currently not visible from Greenwich, UK

Set Location

Other stars in Lupus