ε Aquilae (epsilon Aquilae)

Above the horizon. Rise: 20:00 | Tran: 3:21 | Set: 10:38

Alt: 51.52° Az: 155.25° Direction: South-South-East

ε Aquilae is a multiple giant star of spectral class K1 in the constellation of Aquila.

ε Aquilae visual magnitude is 4.02. Because of its moderate brightness, ε Aquilae is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

Image of ε Aquilae (epsilon Aquilae) star

DSS2 image of ε Aquilae. The red arrow shows the motion of ε Aquilae during the next 10000 years (-8.50 arcmin in Right Ascension and -12.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 19h 00m 46s

Declination +15° 06’ 18”

Hour Angle 22h 57m 23s

Sidereal Time 17h 58m 09s

J2000

Right Ascension 18h 59m 37s

Declination +15° 04’ 05”

Galactic Coordinates

Galactic Longitude 47.3°

Galactic Latitude 5.04°

Finder Chart

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Finder chart for ε Aquilae (epsilon Aquilae).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.02

Class Giant

Absolute magnitude 0.65

Spectral Type K1III

Color Index (B-V) 1.08

Temperature 4559K

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

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

Star System Properties

ε 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 ε Aquilae double sysyem:

Main star magnitude 4.02

Secondary star magnitude 9.92

Magnitude difference 5.9

Separation 131.1 arcsec

Distance, Radial Speed, Proper Motion

ε Aquilae is distant 153.63 light years from the Sun and it is moving towards the Sun at the speed of 48 kilometers per second.

Distance (parsec) 47.13

Distance (light year) 153.63

Radial Speed -48 km/s

Proper Motion RA -0.051 arcsec/y

Proper Motion Dec -0.073"/y

Alternative Designations

Bayer designation ε Aquilae
(epsilon Aquilae)

Flamsteed designation 13 Aquilae

Henry Draper Catalogue HD176411

SAO Catalogue SAO104318

Hipparcos Catalogue HIP93244

Durchmusterung Catalogue BD+14 3736

FK5 Catalogue 712

Visibility from Your Location

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

Azimuth: 74.9° RISE 20:00

Max altitude: 53.6° TRANSIT 3:21

Azimuth: 285.1° SET 10:38

Set Location

Other stars in Aquila