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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:59 
Transit: 12:56 
Sunset: 20:54
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All Constellations » Crux » 

μ2 Crucis (mu2 Crucis)

Below the horizon.  Never rises today
Alt: -18.82°   Az: 177.99°   Direction: South

μ2 Crucis is a variable and double main-sequence star of spectral class B5 in the constellation of Crux.

μ2 Crucis visual magnitude is 5.17. Because of its faintness, μ2 Crucis 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.

Image of μ2 Crucis (mu2 Crucis) star
DSS2 image of μ2 Crucis. The red arrow shows the motion of μ2 Crucis during the next 10000 years (-5.83 arcmin in Right Ascension and -0.17 arcmin in declination);

Celestial Coordinates

Apparent

12h 56m 07s
-57° 18’ 20”
23h 45m 55s
12h 42m 02s

J2000

12h 54m 36s
-57° 10’ 05”

Galactic Coordinates

303.37°
5.7°

Finder Chart

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Finder chart for μ2 Crucis (mu2 Crucis).

Magnitude, Color, Spectral Class

5.17
Main-sequence

-0.05
B5V
11920K

The red dot in the diagram below shows where μ2 Crucis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of μ2 Crucis. Attribution: Richard Powell / CC BY-SA

Star System Properties

μ2 Crucis is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the μ2 Crucis double sysyem:

5.17
6.17
1
34.9 arcsec

Distance, Radial Speed, Proper Motion

μ2 Crucis is distant 361.02 light years from the Sun and it is moving far from the Sun at the speed of 19 kilometers per second.

110.74
361.02
19 km/s
-0.035 arcsec/y
-0.001"/y

Alternative Designations

μ2 Crucis
(mu2 Crucis)
SAO240367
SAO240367

Visibility from Your Location

μ2 Crucis (mu2 Crucis) is currently not visible from Greenwich, UK