π Aquilae (pi Aquilae)

Below the horizon. Rise: 19:41 | Tran: 2:43 | Set: 9:42

Alt: -25.52° Az: 14.96° Direction: South

π Aquilae is a variable and multiple giant star of spectral class G2 in the constellation of Aquila.

π Aquilae visual magnitude is 5.72. Because of its faintness, π 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 π Aquilae. The red arrow shows the motion of π Aquilae during the next 10000 years (3.00 arcmin in Right Ascension and -0.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 19h 49m 54s

Declination +11° 52’ 51”

Hour Angle 12h 55m 06s

Sidereal Time 08h 45m 00s

J2000

Right Ascension 19h 48m 42s

Declination +11° 48’ 56”

Galactic Coordinates

Galactic Longitude 50.08°

Galactic Latitude -7.01°

Finder Chart

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Finder chart for π Aquilae (pi Aquilae).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.72

Class Giant

Absolute magnitude -0.49

Spectral Type G2III

Color Index (B-V)

Temperature 10125K

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

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

Star System Properties

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

Main star magnitude 5.72

Secondary star magnitude 6.22

Magnitude difference 0.5

Separation 1.4 arcsec

Distance, Radial Speed, Proper Motion

π Aquilae is distant 569.93 light years from the Sun and it is moving far from the Sun at the speed of 13 kilometers per second.

Distance (parsec) 174.83

Distance (light year) 569.93

Radial Speed 13 km/s

Proper Motion RA 0.018 arcsec/y

Proper Motion Dec -0.004"/y

Alternative Designations

Bayer designation π Aquilae
(pi Aquilae)

Flamsteed designation 52 Aquilae

Henry Draper Catalogue HD187259

SAO Catalogue SAO105282

Hipparcos Catalogue HIP97473

Durchmusterung Catalogue BD+11 3994

General Catalogue of Variable Stars 12425

Aitken Double Star Catalogue ADS12962

Visibility from Your Location

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

Azimuth: 78.1° RISE 19:41

Max altitude: 50.4° TRANSIT 2:43

Azimuth: 281.9° SET 9:42

Set Location

Other stars in Aquila