ζ2 Lyrae (zeta2 Lyrae)
ζ2 Lyrae is a variable and multiple hypergiant star in the constellation of Lyra.
ζ2 Lyrae visual magnitude is 5.73. Because of its reltive faintness, ζ2 Lyrae 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 ζ2 Lyrae:
Celestial coordinates and finder chart of ζ2 Lyrae
ζ2 Lyrae is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of ζ2 Lyrae are provided in the following table:
The simplified sky map below shows the position of ζ2 Lyrae in the sky:
Visibility of ζ2 Lyrae from your location
Digitized Sky Survey image of ζ2 Lyrae
The image below is a photograph of ζ2 Lyrae 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 ζ2 Lyrae is 0.022 arcsec per year in Right Ascension and 0.019 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of ζ2 Lyrae from the Sun and relative movement
ζ2 Lyrae is distant 150.09 light years from the Sun and it is moving towards the Sun at the speed of 25 kilometers per second.
Spectral properties of ζ2 Lyrae
ζ2 Lyrae belongs to spectral class F0 and has a luminosity class of IV corresponding to a hypergiant star.
The red dot in the diagram below shows where ζ2 Lyrae is situated in the Hertzsprung–Russell diagram.
ζ2 Lyrae star system properties
ζ2 Lyrae is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the ζ2 Lyrae double sysyem: