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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:59 
Transit: 12:56 
Sunset: 20:54
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All Constellations » Aquarius » 

1 Aquarii

Above the horizon.  Rise: 23:35 | Tran: 5:40 | Set: 11:41
Alt: 19.50°   Az: 115.33°   Direction: East-South-East

1 Aquarii is a multiple giant star of spectral class K1 in the constellation of Aquarius.

1 Aquarii visual magnitude is 5.16. Because of its faintness, 1 Aquarii 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.

Image of 1 Aquarii star
DSS2 image of 1 Aquarii. The red arrow shows the motion of 1 Aquarii during the next 1000 years (1.68 arcmin in Right Ascension and -0.25 arcmin in declination);

Celestial Coordinates

Apparent

20h 40m 42s
+00° 34’ 38”
20h 06m 15s
16h 46m 58s

J2000

20h 39m 24s
+00° 29’ 11”

Galactic Coordinates

46.47°
-23.58°

Finder Chart

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Finder chart for 1 Aquarii.

Magnitude, Color, Spectral Class

5.16
Giant

0.78
K1III
4603K

The red dot in the diagram below shows where 1 Aquarii is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 1 Aquarii. Attribution: Richard Powell / CC BY-SA

Star System Properties

1 Aquarii 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 1 Aquarii double sysyem:

5.16
12.26
7.1
59.7 arcsec

Distance, Radial Speed, Proper Motion

1 Aquarii is distant 244.56 light years from the Sun and it is moving towards the Sun at the speed of 43 kilometers per second.

75.02
244.56
-43 km/s
0.101 arcsec/y
-0.015"/y

Alternative Designations

SAO126062
SAO126062

Visibility from Your Location

Today's 1 Aquarii rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 89.4°
Max altitude: 39.1°
Azimuth: 270.6°