12 Aquilae

Above the horizon. Rise: 21:50 | Tran: 3:23 | Set: 8:53

Alt: 31.73° Az: 164.68° Direction: South-South-East

12 Aquilae is a variable giant star of spectral class K1 in the constellation of Aquila.

12 Aquilae visual magnitude is 4.02. Because of its moderate brightness, 12 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.

DSS2 image of 12 Aquilae. The red arrow shows the motion of 12 Aquilae during the next 10000 years (-3.17 arcmin in Right Ascension and -5.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 19h 03m 02s

Declination -05° 42’ 03”

Hour Angle 23h 07m 48s

Sidereal Time 18h 10m 50s

J2000

Right Ascension 19h 01m 40s

Declination -05° 44’ 20”

Galactic Coordinates

Galactic Longitude 28.98°

Galactic Latitude -4.89°

Finder Chart

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Finder chart for 12 Aquilae.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.02

Class Giant

Absolute magnitude 0.73

Spectral Type K1III

Color Index (B-V) 1.09

Temperature 4537K

The red dot in the diagram below shows where 12 Aquilae is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 12 Aquilae. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

12 Aquilae is distant 148.52 light years from the Sun and it is moving towards the Sun at the speed of 44 kilometers per second.

Distance (parsec) 45.56

Distance (light year) 148.52

Radial Speed -44 km/s

Proper Motion RA -0.019 arcsec/y

Proper Motion Dec -0.033"/y

Alternative Designations

Flamsteed designation 12 Aquilae

Henry Draper Catalogue HD176678

SAO Catalogue SAO142931

Hipparcos Catalogue HIP93429

Durchmusterung Catalogue BD-05 4840

General Catalogue of Variable Stars 11655

Visibility from Your Location

Today's 12 Aquilae rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 95.7° RISE 21:50

Max altitude: 32.8° TRANSIT 3:23

Azimuth: 264.3° SET 8:53

Set Location

Other stars in Aquila