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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:01 
Transit: 12:56 
Sunset: 20:52
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All Constellations » Musca » 

θ Muscae (theta Muscae)

Below the horizon.  Never rises today
Alt: -74.66°   Az: 199.77°   Direction: South-South-West

θ Muscae is a variable and double hypergiant star of spectral class B0 in the constellation of Musca.

θ Muscae visual magnitude is 5.51. Because of its faintness, θ Muscae 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 θ Muscae (theta Muscae) star
DSS2 image of θ Muscae. The red arrow shows the motion of θ Muscae during the next 10000 years (-2.67 arcmin in Right Ascension and -1.50 arcmin in declination);

Celestial Coordinates

Apparent

13h 09m 46s
-65° 26’ 28”
11h 10m 17s
00h 20m 04s

J2000

13h 08m 07s
-65° 18’ 23”

Galactic Coordinates

304.67°
-2.49°

Finder Chart

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Finder chart for θ Muscae (theta Muscae).

Magnitude, Color, Spectral Class

5.51
Hypergiant

-12.10
B0I
10382K

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

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

Star System Properties

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

5.51
7.21
1.7
5.3 arcsec

Distance, Radial Speed, Proper Motion

θ Muscae is distant 108,666.67 light years from the Sun and it is moving towards the Sun at the speed of 28 kilometers per second.

33,333.33
108,666.67
-28 km/s
-0.016 arcsec/y
-0.009"/y

Alternative Designations

θ Muscae
(theta Muscae)
SAO252162
SAO252162

Visibility from Your Location

θ Muscae (theta Muscae) is currently not visible from Greenwich, UK