18 Aquilae is a variable giant star in the constellation of Aquila.
18 Aquilae visual magnitude is 5.09. Because of its reltive faintness, 18 Aquilae 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 18 Aquilae:
Celestial coordinates and finder chart of 18 Aquilae
18 Aquilae 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 18 Aquilae are provided in the following table:
The simplified sky map below shows the position of 18 Aquilae in the sky:
Visibility of 18 Aquilae from your location
Digitized Sky Survey image of 18 Aquilae
The image below is a photograph of 18 Aquilae 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 18 Aquilae is 0.005 arcsec per year in Right Ascension and -0.026 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.
Distance of 18 Aquilae from the Sun and relative movement
18 Aquilae is distant 507.00 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.
Spectral properties of 18 Aquilae
18 Aquilae belongs to spectral class B8 and has a luminosity class of III corresponding to a giant star.
The red dot in the diagram below shows where 18 Aquilae is situated in the Hertzsprung–Russell diagram.