χ Aquilae (chi Aquilae)

Above the horizon. Rise: 21:44 | Tran: 4:47 | Set: 11:46

Alt: 45.18° Az: 142.64° Direction: South-East

χ Aquilae is a variable and multiple hypergiant star of spectral class G0 in the constellation of Aquila.

χ Aquilae visual magnitude is 5.27. Because of its faintness, χ Aquilae is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of χ Aquilae. The red arrow shows the motion of χ Aquilae during the next 100000 years (-1.67 arcmin in Right Ascension and -11.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 19h 43m 45s

Declination +11° 53’ 17”

Hour Angle 22h 16m 19s

Sidereal Time 18h 00m 05s

J2000

Right Ascension 19h 42m 33s

Declination +11° 49’ 36”

Galactic Coordinates

Galactic Longitude 49.34°

Galactic Latitude -5.7°

Finder Chart

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Finder chart for χ Aquilae (chi Aquilae).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.27

Class Hypergiant

Absolute magnitude -1.54

Spectral Type G0III

Color Index (B-V) 0.57

Temperature 6088K

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

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

Star System Properties

χ Aquilae 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 χ Aquilae double sysyem:

Main star magnitude 5.27

Secondary star magnitude 6.47

Magnitude difference 1.2

Separation 0.4 arcsec

Distance, Radial Speed, Proper Motion

χ Aquilae is distant 751.15 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

Distance (parsec) 230.41

Distance (light year) 751.15

Radial Speed -22 km/s

Proper Motion RA -0.001 arcsec/y

Proper Motion Dec -0.007"/y

Alternative Designations

Bayer designation χ Aquilae
(chi Aquilae)

Flamsteed designation 47 Aquilae

Henry Draper Catalogue HD186203

SAO Catalogue SAO105168

Hipparcos Catalogue HIP96957

Durchmusterung Catalogue BD+11 3955

General Catalogue of Variable Stars 12325

Aitken Double Star Catalogue ADS12808

Visibility from Your Location

Today's χ Aquilae (chi Aquilae) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 78.1° RISE 21:44

Max altitude: 50.4° TRANSIT 4:47

Azimuth: 281.9° SET 11:46

Set Location

Other stars in Aquila