β2 Cygni (beta2 Cygni)
β2 Cygni is a multiple main-sequence star in the constellation of Cygnus.
β2 Cygni visual magnitude is 5.11. Because of its reltive faintness, β2 Cygni 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 β2 Cygni:
Celestial coordinates and finder chart of β2 Cygni
β2 Cygni 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 β2 Cygni are provided in the following table:
The simplified sky map below shows the position of β2 Cygni in the sky:
Visibility of β2 Cygni from your location
Digitized Sky Survey image of β2 Cygni
The image below is a photograph of β2 Cygni 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 β2 Cygni is -0.009 arcsec per year in Right Ascension and 0 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.
Distance of β2 Cygni from the Sun and relative movement
β2 Cygni is distant 376.01 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.
Spectral properties of β2 Cygni
β2 Cygni belongs to spectral class B8 and has a luminosity class of V corresponding to a main-sequence star.
The red dot in the diagram below shows where β2 Cygni is situated in the Hertzsprung–Russell diagram.
β2 Cygni star system properties
β2 Cygni is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the β2 Cygni double sysyem: