δ1 Lyrae (delta1 Lyrae)
δ1 Lyrae is a variable and double main-sequence star in the constellation of Lyra.
δ1 Lyrae visual magnitude is 5.58. Because of its reltive faintness, δ1 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 δ1 Lyrae:
Celestial coordinates and finder chart of δ1 Lyrae
δ1 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 δ1 Lyrae are provided in the following table:
The simplified sky map below shows the position of δ1 Lyrae in the sky:
Visibility of δ1 Lyrae from your location
Digitized Sky Survey image of δ1 Lyrae
The image below is a photograph of δ1 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 δ1 Lyrae is 0.004 arcsec per year in Right Ascension and -0.002 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.
Distance of δ1 Lyrae from the Sun and relative movement
δ1 Lyrae is distant 1,079.47 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.
Spectral properties of δ1 Lyrae
δ1 Lyrae belongs to spectral class B2 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where δ1 Lyrae is situated in the Hertzsprung–Russell diagram.
δ1 Lyrae star system properties
δ1 Lyrae is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the δ1 Lyrae double sysyem: