15 Aquilae

Above the horizon. Rise: 13:16 | Tran: 18:54 | Set: 0:32

Alt: 25.01° Az: 135.19° Direction: South-East

15 Aquilae is a double giant star of spectral class K1 in the constellation of Aquila.

15 Aquilae visual magnitude is 5.42. Because of its faintness, 15 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 15 Aquilae. The red arrow shows the motion of 15 Aquilae during the next 10000 years (3.33 arcmin in Right Ascension and -4.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 19h 06m 15s

Declination -03° 59’ 32”

Hour Angle 21h 20m 45s

Sideral Time 16h 27m 01s

J2000

Right Ascension 19h 04m 57s

Declination -04° 01’ 53”

Galactic Coordinates

Galactic Longitude 30.88°

Galactic Latitude -4.84°

Finder Chart

Simplified finder chart for 15 Aquilae.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.42

Class Giant

Absolute magnitude 0.43

Spectral Type K1III

Color Index (B-V) 1.12

Temperature 4472K

The red dot in the diagram below shows where 15 Aquilae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 15 Aquilae. Attribution: Richard Powell / CC BY-SA

Star System Properties

15 Aquilae is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the 15 Aquilae double sysyem:

Main star magnitude 5.42

Secondary star magnitude 7.02

Magnitude difference 1.6

Separation 38.5 arcsec

Distance, Radial Speed, Proper Motion

15 Aquilae is distant 324.70 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

Distance (parsec) 99.60

Distance (light year) 324.70

Radial Speed -18 km/s

Proper Motion RA 0.02 arcsec/y

Proper Motion Dec -0.027"/y

Alternative Designations

Flamsteed designation 15 Aquilae

Henry Draper Catalogue HD177463

SAO Catalogue SAO142996

Hipparcos Catalogue HIP93717

Durchmusterung Catalogue BD-04 4684

Aitken Double Star Catalogue ADS12007

Visibility from Your Location

Today's 15 Aquilae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 94.0° RISE 13:16

Max altitude: 34.5° TRANSIT 18:54

Azimuth: 266.0° SET 0:32

Set Location

Other stars in Aquila