11 Aquilae

Below the horizon. Rise: 12:50 | Tran: 19:59 | Set: 3:12

Alt: -23.34° Az: 17.25° Direction: North-North-East

11 Aquilae is a variable and multiple main-sequence star of spectral class F8 in the constellation of Aquila.

11 Aquilae visual magnitude is 5.23. Because of its faintness, 11 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 11 Aquilae. The red arrow shows the motion of 11 Aquilae during the next 1000 years (0.23 arcmin in Right Ascension and -2.05 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 19h 00m 13s

Declination +13° 39’ 28”

Hour Angle 13h 05m 04s

Sideral Time 08h 05m 18s

J2000

Right Ascension 18h 59m 05s

Declination +13° 37’ 21”

Galactic Coordinates

Galactic Longitude 45.94°

Galactic Latitude 4.5°

Finder Chart

Simplified finder chart for 11 Aquilae.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.23

Class Main-sequence

Absolute magnitude 1.84

Spectral Type F8V

Color Index (B-V) 0.53

Temperature 6256K

The red dot in the diagram below shows where 11 Aquilae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 11 Aquilae. Attribution: Richard Powell / CC BY-SA

Star System Properties

11 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 11 Aquilae double sysyem:

Main star magnitude 5.23

Secondary star magnitude 9.53

Magnitude difference 4.3

Separation 17.8 arcsec

Distance, Radial Speed, Proper Motion

11 Aquilae is distant 155.31 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

Distance (parsec) 47.64

Distance (light year) 155.31

Radial Speed 16 km/s

Proper Motion RA 0.014 arcsec/y

Proper Motion Dec -0.123"/y

Alternative Designations

Flamsteed designation 11 Aquilae

Henry Draper Catalogue HD176303

SAO Catalogue SAO104308

Hipparcos Catalogue HIP93203

Durchmusterung Catalogue BD+13 3841

General Catalogue of Variable Stars 11618

Aitken Double Star Catalogue ADS11902

Visibility from Your Location

Today's 11 Aquilae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 76.3° RISE 12:50

Max altitude: 52.2° TRANSIT 19:59

Azimuth: 283.7° SET 3:12

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Aquila