δ2 Lyrae (delta2 Lyrae)
δ2 Lyrae is a variable and multiple bright giant star in the constellation of Lyra.
δ2 Lyrae visual magnitude is 4.3. Because of its moderate brightness, δ2 Lyrae should be easily visible from locations with dark skyes, while it can be barely visible, or not visible at all, from skyes affected by light pollution.
The table below summarizes the key facts about δ2 Lyrae:
Celestial coordinates and finder chart of δ2 Lyrae
δ2 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 δ2 Lyrae are provided in the following table:
The simplified sky map below shows the position of δ2 Lyrae in the sky:
Visibility of δ2 Lyrae from your location
Digitized Sky Survey image of δ2 Lyrae
The image below is a photograph of δ2 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 δ2 Lyrae is -0.009 arcsec per year in Right Ascension and 0.01 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of δ2 Lyrae from the Sun and relative movement
δ2 Lyrae is distant 898.07 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.
Spectral properties of δ2 Lyrae
δ2 Lyrae belongs to spectral class M4 and has a luminosity class of II corresponding to a bright giant star.
The red dot in the diagram below shows where δ2 Lyrae is situated in the Hertzsprung–Russell diagram.
δ2 Lyrae star system properties
δ2 Lyrae is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the δ2 Lyrae double sysyem: