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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 4:42 
Transit: 12:59 
Sunset: 21:16
wb_twilight   (Civil Twilight)   What's Visible Now?

ε Lupi (epsilon Lupi)

Below the horizon.  Never rises today
Altitude: -30.7°   Azimuth: 235.5°   Direction: South-West

ε Lupi is a variable and multiple sub-giant star of spectral class B2 in the constellation of Lupus.

ε Lupi visual magnitude is 3.37. Because of its moderate brightness, ε 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.

Celestial coordinates and finder chart of ε Lupi

Finder chart ε Lupi (epsilon Lupi) star
Simplified finder chart for ε Lupi (epsilon Lupi).

ε Lupi is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of ε Lupi are provided in the following table:

15h 22m 40s
-44° 41’ 21”
329.23°
10.32°
Lupus
Image of ε Lupi (epsilon Lupi) star
DSS2 image of ε Lupi. The red arrow shows the motion of ε Lupi during the next 10000 years (-3.17 arcmin in Right Ascension and -2.17 arcmin in declination);

Key facts about ε Lupi

3.37
Sub-giant

and has a luminosity class of IV corresponding to a sub-giant star.

-2.58
B2IV
13121K

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

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

ε Lupi star system properties

ε 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 ε Lupi double sysyem:

3.37
4.87
1.5
0.4 arcsec

Distance of ε Lupi from the Sun and relative movement

ε Lupi is distant 503.86 light years from the Sun and it is moving far from the Sun at the speed of 8 kilometers per second.

154.56 pc
503.86 ly
8 km/s
-0.019 arcsec/year
-0.013 arcsec/year

Alternative designations of ε Lupi

ε Lupi
(epsilon Lupi)
SAO225712
SAO225712

Visibility of ε Lupi from your location

ε Lupi (epsilon Lupi) is currently not visible from Greenwich, United Kingdom