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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:09 
Transit: 12:56 
Sunset: 20:44
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All Constellations » Aquarius » 

77 Aquarii

Below the horizon.  Rise: 3:49 | Tran: 8:22 | Set: 12:56
Alt: -45.13°   Az: 50.99°   Direction: North-East

77 Aquarii is a variable giant star of spectral class K2 in the constellation of Aquarius.

77 Aquarii visual magnitude is 5.56. Because of its faintness, 77 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 77 Aquarii star
DSS2 image of 77 Aquarii. The red arrow shows the motion of 77 Aquarii during the next 1000 years (-3.70 arcmin in Right Ascension and -1.50 arcmin in declination);

Celestial Coordinates

Apparent

22h 56m 06s
-16° 08’ 10”
14h 19m 11s
13h 15m 17s

J2000

22h 54m 45s
-16° 16’ 18”

Galactic Coordinates

48.79°
-60.9°

Finder Chart

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Finder chart for 77 Aquarii.

Magnitude, Color, Spectral Class

5.56
Giant

2.39
K2III
4430K

The red dot in the diagram below shows where 77 Aquarii is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 77 Aquarii. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

77 Aquarii is distant 140.09 light years from the Sun and it is moving towards the Sun at the speed of 36 kilometers per second.

42.97
140.09
-36 km/s
-0.222 arcsec/y
-0.09"/y

Alternative Designations

SAO165376
SAO165376

Visibility from Your Location

Today's 77 Aquarii rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 106.1°
Max altitude: 22.4°
Azimuth: 253.9°