Ancha - θ Aquarii (theta Aquarii)
Ancha, also designated as θ Aquarii (theta Aquarii), is a giant star in the constellation of Aquarius.
Ancha visual magnitude is 4.16. Because of its moderate brightness, Ancha 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 Ancha:
Celestial coordinates and finder chart of Ancha
Ancha 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 Ancha are provided in the following table:
The simplified sky map below shows the position of Ancha in the sky:
Visibility of Ancha from your location
Digitized Sky Survey image of Ancha
The image below is a photograph of Ancha 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 Ancha is 0.121 arcsec per year in Right Ascension and -0.022 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.
Distance of Ancha from the Sun and relative movement
Ancha is distant 191.31 light years from the Sun and it is moving towards the Sun at the speed of 15 kilometers per second.
Spectral properties of Ancha
Ancha belongs to spectral class G8 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where Ancha is situated in the Hertzsprung–Russell diagram.