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public  Jiulongshan, China Jiulongshan, China  ⓘ
TimezoneAsia/Shanghai
Sunrise: 5:53 
Transit: 12:52 
Sunset: 19:52
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All Constellations » Lupus » 

σ Lupi (sigma Lupi)

Above the horizon.  Rise: 17:09 | Tran: 19:58 | Set: 22:48
Alt: 4.49°   Az: 197.58°   Direction: South-South-West

σ Lupi is a giant star of spectral class B2 in the constellation of Lupus.

σ Lupi visual magnitude is 4.42. Because of its moderate brightness, σ 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.

Image of σ Lupi (sigma Lupi) star
DSS2 image of σ Lupi. The red arrow shows the motion of σ Lupi during the next 10000 years (-7.17 arcmin in Right Ascension and -1.67 arcmin in declination);

Celestial Coordinates

Apparent

14h 34m 21s
-50° 34’ 06”
01h 53m 11s
16h 27m 32s

J2000

14h 32m 36s
-50° 27’ 24”

Galactic Coordinates

318.93°
9.25°

Finder Chart

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Finder chart for σ Lupi (sigma Lupi).

Magnitude, Color, Spectral Class

4.42
Giant

-1.81
B2III
13348K

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

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

Distance, Radial Speed, Proper Motion

σ Lupi is distant 573.94 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

176.06
573.94
-2 km/s
-0.043 arcsec/y
-0.01"/y

Alternative Designations

σ Lupi
(sigma Lupi)
SAO241781
SAO241781

Visibility from Your Location

Today's σ Lupi (sigma Lupi) rise, transit and set times from Jiulongshan, China are the following (all times relative to the local timezone Asia/Shanghai):

Azimuth: 140.6°
Max altitude: 8.2°
Azimuth: 219.4°