θ Muscae (theta Muscae)
θ Muscae is a variable and double hypergiant star in the constellation of Musca.
θ Muscae visual magnitude is 5.51. Because of its reltive faintness, θ Muscae should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.
The table below summarizes the key facts about θ Muscae:
Celestial coordinates and finder chart of θ Muscae
θ Muscae is situated south of the celestial equator, as such, it is more easily visible from the southern emisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of θ Muscae are provided in the following table:
The simplified sky map below shows the position of θ Muscae in the sky:
Visibility of θ Muscae from your location
θ Muscae (theta Muscae) is currently not visible from Greenwich, United Kingdom [change]
Digitized Sky Survey image of θ Muscae
The image below is a photograph of θ Muscae from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of θ Muscae is -0.016 arcsec per year in Right Ascension and -0.009 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of θ Muscae from the Sun and relative movement
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.
Spectral properties of θ Muscae
θ Muscae belongs to spectral class B0 and has a luminosity class of I corresponding to a hypergiant star.
The red dot in the diagram below shows where θ Muscae is situated in the Hertzsprung–Russell diagram.
θ Muscae 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: