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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:02 
Transit: 12:56 
Sunset: 20:51
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All Constellations » Musca » 

β Muscae (beta Muscae)

Below the horizon.  Never rises today
Alt: -72.69°   Az: 168.89°   Direction: South

β Muscae is a double main-sequence star of spectral class B2 in the constellation of Musca.

β Muscae visual magnitude is 3.05. Because of its moderate brightness, β Muscae 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 β Muscae (beta Muscae) star
DSS2 image of β Muscae. The red arrow shows the motion of β Muscae during the next 10000 years (-6.50 arcmin in Right Ascension and -2.83 arcmin in declination);

Celestial Coordinates

Apparent

12h 47m 52s
-68° 14’ 47”
12h 35m 35s
01h 23m 27s

J2000

12h 46m 16s
-68° 06’ 29”

Galactic Coordinates

302.45°
-5.24°

Finder Chart

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Finder chart for β Muscae (beta Muscae).

Magnitude, Color, Spectral Class

3.05
Main-sequence

-1.85
B2V
13121K

The red dot in the diagram below shows where β Muscae is situated in the Hertzsprung–Russell diagram.

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

Star System Properties

β Muscae is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the β Muscae double sysyem:

3.05
3.25
0.2
1.3 arcsec

Distance, Radial Speed, Proper Motion

β Muscae is distant 311.07 light years from the Sun and it is moving far from the Sun at the speed of 42 kilometers per second.

95.42
311.07
42 km/s
-0.039 arcsec/y
-0.017"/y

Alternative Designations

β Muscae
(beta Muscae)
SAO252019
SAO252019

Visibility from Your Location

β Muscae (beta Muscae) is currently not visible from Greenwich, UK