ζ Boötis (zeta Boötis)
ζ Boötis is a variable and multiple giant star in the constellation of Boötes.
ζ Boötis visual magnitude is 4.43. Because of its moderate brightness, ζ Boötis 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 proper motion of ζ Boötis is 0.053 arcsec per year in Right Ascension and -0.016 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Key facts about ζ Boötis
Celestial coordinates and finder chart of ζ Boötis
ζ Boötis is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of ζ Boötis are provided in the following table:
The simplified sky map below shows the position of ζ Boötis in the sky:
Visibility of ζ Boötis from your location
Today's ζ Boötis (zeta Boötis) rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):
Spectral properties of ζ Boötis
ζ Boötis belongs to spectral class A2 and has a luminosity class of III corresponding to a giant star.
ζ Boötis star system properties
ζ Boötis is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the ζ Boötis double sysyem: