23 Aquilae

Above the horizon. Rise: 3:53 | Tran: 9:56 | Set: 16:00

Alt: 33.33° Az: 142.01° Direction: South-East

23 Aquilae is a variable and multiple bright giant star of spectral class K2 in the constellation of Aquila.

23 Aquilae visual magnitude is 5.1. Because of its faintness, 23 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 23 Aquilae. The red arrow shows the motion of 23 Aquilae during the next 10000 years (1.67 arcmin in Right Ascension and 3.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 19h 19m 49s

Declination +01° 07’ 57”

Hour Angle 21h 56m 09s

Sidereal Time 17h 15m 58s

J2000

Right Ascension 19h 18m 32s

Declination +01° 05’ 07”

Galactic Coordinates

Galactic Longitude 37°

Galactic Latitude -5.53°

Finder Chart

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Finder chart for 23 Aquilae.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.1

Class Bright giant

Absolute magnitude -0.24

Spectral Type K2II

Color Index (B-V) 1.15

Temperature 4409K

The red dot in the diagram below shows where 23 Aquilae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 23 Aquilae. Attribution: Richard Powell / CC BY-SA

Star System Properties

23 Aquilae is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the 23 Aquilae double sysyem:

Main star magnitude 5.1

Secondary star magnitude 9.2

Magnitude difference 4.1

Separation 3.1 arcsec

Distance, Radial Speed, Proper Motion

23 Aquilae is distant 380.84 light years from the Sun and it is moving towards the Sun at the speed of 24 kilometers per second.

Distance (parsec) 116.82

Distance (light year) 380.84

Radial Speed -24 km/s

Proper Motion RA 0.01 arcsec/y

Proper Motion Dec 0.019"/y

Alternative Designations

Flamsteed designation 23 Aquilae

Henry Draper Catalogue HD180972

SAO Catalogue SAO124487

Hipparcos Catalogue HIP94885

Durchmusterung Catalogue BD+00 4168

General Catalogue of Variable Stars 11889

Aitken Double Star Catalogue ADS12289

Visibility from Your Location

Today's 23 Aquilae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 88.9° RISE 3:53

Max altitude: 39.7° TRANSIT 9:56

Azimuth: 271.1° SET 16:00

Set Location

Other stars in Aquila