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A Complete Guide to the Solar System and the Night Sky
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public Observing fromLocation: Greenwich, United Kingdom edit_location_alt
north SunriseRise: 7:40  
clear_day Transit: 11:47  
SunsetSet: 15:53 south
sunny DaytimeWhat's Visible Now?
All Constellations » Aquarius » 

83 Aquarii

Altitude: -41.1°   Azimuth: 35.7°   Direction: North-East

83 Aquarii is a multiple sub-giant star in the constellation of Aquarius.

83 Aquarii visual magnitude is 5.43. Because of its reltive faintness, 83 Aquarii should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about 83 Aquarii:


83 Aquarii is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -41.1°
Azimuth: 35.7°
Direction: North-East

Celestial coordinates and finder chart of 83 Aquarii

83 Aquarii is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 83 Aquarii are provided in the following table:

23h 05m 09s
-07° 41’ 36”

The simplified sky map below shows the position of 83 Aquarii in the sky:

Finder chart 83 Aquarii star
Simplified finder chart for 83 Aquarii.

Visibility of 83 Aquarii from your location

Location: Greenwich, United Kingdom edit_location_alt
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 83 Aquarii rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 97.7°
Max altitude: 30.8°
Azimuth: 262.3°

Digitized Sky Survey image of 83 Aquarii

The image below is a photograph of 83 Aquarii from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of 83 Aquarii is 0.129 arcsec per year in Right Ascension and 0.011 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 83 Aquarii star
DSS2 image of 83 Aquarii. The red arrow shows the motion of 83 Aquarii during the next 1000 years (2.15 arcmin in Right Ascension and 0.18 arcmin in declination);

Distance of 83 Aquarii from the Sun and relative movement

83 Aquarii is distant 188.33 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

57.77 pc
188.33 ly
-13 km/s
0.129 arcsec/year
0.011 arcsec/year

Spectral properties of 83 Aquarii

83 Aquarii belongs to spectral class F2 and has a luminosity class of IV corresponding to a sub-giant star.


The red dot in the diagram below shows where 83 Aquarii is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 83 Aquarii. Attribution: Richard Powell / CC BY-SA

83 Aquarii star system properties

83 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 83 Aquarii double sysyem:

0.2 arcsec

Alternative designations of 83 Aquarii