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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:30 
Transit: 12:14 
Sunset: 16:58
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All Constellations » Aquila » 

Alshain - β Aquilae (beta Aquilae)

Above the horizon.  Rise: 4:18 | Tran: 10:49 | Set: 17:19
Alt: 32.41°   Az: 234.33°   Direction: South-West

Alshain, also designated as β Aquilae (beta Aquilae), is a variable and multiple sub-giant star of spectral class G8 in the constellation of Aquila.

Alshain visual magnitude is 3.71. Because of its moderate brightness, Alshain 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 Alshain - β Aquilae (beta Aquilae) star
DSS2 image of Alshain. The red arrow shows the motion of Alshain during the next 1000 years (0.80 arcmin in Right Ascension and -8.03 arcmin in declination);

Celestial Coordinates

Apparent

19h 56m 32s
+06° 28’ 27”
02h 54m 35s
22h 51m 08s

J2000

19h 55m 18s
+06° 24’ 24”

Galactic Coordinates

46.13°
-11.09°

Finder Chart

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Finder chart for Alshain - β Aquilae (beta Aquilae).

Magnitude, Color, Spectral Class

3.71
Sub-giant

3.03
G8IV
5106K

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

HR Diagram
H-R diagram showing the position of Alshain. Attribution: Richard Powell / CC BY-SA

Star System Properties

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

3.71
11.41
7.7
175 arcsec

Distance, Radial Speed, Proper Motion

Alshain is distant 44.69 light years from the Sun and it is moving towards the Sun at the speed of 40 kilometers per second.

13.71
44.69
-40 km/s
0.048 arcsec/y
-0.482"/y

Alternative Designations

Alshain
β Aquilae
(beta Aquilae)
SAO125235
SAO125235
Gl 771 A

Visibility from Your Location

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

Azimuth: 83.5°
Max altitude: 45.0°
Azimuth: 276.5°