ξ2 Lupi (xi2 Lupi)

Below the horizon. Rise: 0:22 | Tran: 2:33 | Set: 4:40

Alt: -62.27° Az: 62.73° Direction: East-North-East

ξ2 Lupi is a double main-sequence star of spectral class B9 in the constellation of Lupus.

ξ2 Lupi visual magnitude is 5.62. Because of its faintness, ξ2 Lupi is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of ξ2 Lupi. The red arrow shows the motion of ξ2 Lupi during the next 10000 years (3.33 arcmin in Right Ascension and -6.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 58m 31s

Declination -34° 02’ 09”

Hour Angle 13h 59m 46s

Sidereal Time 05h 58m 17s

J2000

Right Ascension 15h 56m 54s

Declination -33° 57’ 51”

Galactic Coordinates

Galactic Longitude 341.3°

Galactic Latitude 14.75°

Finder Chart

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Finder chart for ξ2 Lupi (xi2 Lupi).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.62

Class Main-sequence

Absolute magnitude 1.73

Spectral Type B9V

Color Index (B-V) 0.05

Temperature 9542K

The red dot in the diagram below shows where ξ2 Lupi is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of ξ2 Lupi. Attribution: Richard Powell / CC BY-SA

Star System Properties

ξ2 Lupi is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the ξ2 Lupi double sysyem:

Main star magnitude 5.62

Secondary star magnitude 6.12

Magnitude difference 0.5

Separation 10.3 arcsec

Distance, Radial Speed, Proper Motion

ξ2 Lupi is distant 195.91 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

Distance (parsec) 60.10

Distance (light year) 195.91

Radial Speed -12 km/s

Proper Motion RA 0.02 arcsec/y

Proper Motion Dec -0.039"/y

Alternative Designations

Bayer designation ξ2 Lupi
(xi2 Lupi)

Henry Draper Catalogue HD142630

SAO Catalogue SAO207145

Hipparcos Catalogue HIP78106

Durchmusterung Catalogue CD-3310826

Visibility from Your Location

Today's ξ2 Lupi (xi2 Lupi) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 124.0° RISE 0:22

Max altitude: 4.5° TRANSIT 2:33

Azimuth: 236.0° SET 4:40

Set Location

Other stars in Lupus