Sadachbia - γ Aquarii (gamma Aquarii)
Sadachbia, also designated as γ Aquarii (gamma Aquarii), is a variable and double hypergiant star in the constellation of Aquarius.
Sadachbia visual magnitude is 3.84. Because of its moderate brightness, Sadachbia 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 Sadachbia:
Celestial coordinates and finder chart of Sadachbia
Sadachbia 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 Sadachbia are provided in the following table:
The simplified sky map below shows the position of Sadachbia in the sky:
Visibility of Sadachbia from your location
Digitized Sky Survey image of Sadachbia
The image below is a photograph of Sadachbia 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 Sadachbia is 0.132 arcsec per year in Right Ascension and 0.007 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of Sadachbia from the Sun and relative movement
Sadachbia is distant 157.72 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.
Spectral properties of Sadachbia
Sadachbia belongs to spectral class A0 and has a luminosity class of V corresponding to a hypergiant star.
The red dot in the diagram below shows where Sadachbia is situated in the Hertzsprung–Russell diagram.
Sadachbia star system properties
Sadachbia 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 Sadachbia double sysyem: