Your guide to the Solar System and the night sky
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🌎  Observing from: Greenwich, United Kingdom [change]
🌅 Sunrise: 6:45  ☀️ Transit: 13:03  🌅 Sunset: 19:23

κ Aquilae (kappa Aquilae)

κ Aquilae is a variable hypergiant star in the constellation of Aquila.

κ Aquilae visual magnitude is 4.95. Because of its moderate brightness, κ Aquilae 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 κ Aquilae:

κ Aquilae (kappa Aquilae) is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of κ Aquilae

κ 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 κ Aquilae are provided in the following table:

19h 36m 53s
-07° 01’ 38”

The simplified sky map below shows the position of κ Aquilae in the sky:

Finder chart κ Aquilae (kappa Aquilae) star
Simplified finder chart for κ Aquilae (kappa Aquilae).

Visibility of κ Aquilae from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's κ Aquilae (kappa Aquilae) rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 97.0°
Max altitude: 31.5°
Azimuth: 263.0°
κ Aquilae (kappa Aquilae) is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of κ Aquilae

The image below is a photograph of κ 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 κ Aquilae is 0.003 arcsec per year in Right Ascension and -0.004 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

Image of κ Aquilae (kappa Aquilae) star
DSS2 image of κ Aquilae. The red arrow shows the motion of κ Aquilae during the next 100000 years (5.00 arcmin in Right Ascension and -6.67 arcmin in declination);

Distance of κ Aquilae from the Sun and relative movement

κ Aquilae is distant 1,455.36 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

446.43 pc
1,455.36 ly
-19 km/s
0.003 arcsec/year
-0.004 arcsec/year

Spectral properties of κ Aquilae

κ Aquilae belongs to spectral class B0 and has a luminosity class of III corresponding to a hypergiant star.


The red dot in the diagram below shows where κ Aquilae is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of κ Aquilae. Attribution: Richard Powell / CC BY-SA

Alternative designations of κ Aquilae

κ Aquilae
(kappa Aquilae)