ψ2 Lupi (psi2 Lupi)

Below the horizon. Rise: 23:24 | Tran: 1:24 | Set: 3:20

Alt: -21.50° Az: 119.32° Direction: East-South-East

ψ2 Lupi is a main-sequence star of spectral class B5 in the constellation of Lupus.

ψ2 Lupi visual magnitude is 4.75. Because of its moderate brightness, ψ2 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 ψ2 Lupi. The red arrow shows the motion of ψ2 Lupi during the next 10000 years (-3.50 arcmin in Right Ascension and -4.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 44m 18s

Declination -34° 47’ 23”

Hour Angle 18h 35m 55s

Sidereal Time 10h 20m 14s

J2000

Right Ascension 15h 42m 41s

Declination -34° 42’ 38”

Galactic Coordinates

Galactic Longitude 338.48°

Galactic Latitude 16.08°

Finder Chart

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Finder chart for ψ2 Lupi (psi2 Lupi).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.75

Class Main-sequence

Absolute magnitude -0.67

Spectral Type B5V

Color Index (B-V) -0.14

Temperature 12293K

The red dot in the diagram below shows where ψ2 Lupi is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of ψ2 Lupi. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

ψ2 Lupi is distant 395.63 light years from the Sun and it is moving far from the Sun at the speed of 4 kilometers per second.

Distance (parsec) 121.36

Distance (light year) 395.63

Radial Speed 4 km/s

Proper Motion RA -0.021 arcsec/y

Proper Motion Dec -0.029"/y

Alternative Designations

Bayer designation ψ2 Lupi
(psi2 Lupi)

Flamsteed designation 4 Lupi

Henry Draper Catalogue HD140008

SAO Catalogue SAO206889

Hipparcos Catalogue HIP76945

Durchmusterung Catalogue CD-3410494

Visibility from Your Location

Today's ψ2 Lupi (psi2 Lupi) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 124.8° RISE 23:24

Max altitude: 3.7° TRANSIT 1:24

Azimuth: 235.2° SET 3:20

Set Location

Other stars in Lupus