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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
SunriseRise: 6:35  
clear_day Transit: 12:10  
SunsetSet: 17:45
sleep NighttimeWhat's Visible Now?
All Constellations » Aquarius » 

16 Aquarii

Altitude: -11.2°   Azimuth: 83.2°   Direction: East

16 Aquarii is a giant star in the constellation of Aquarius.

16 Aquarii visual magnitude is 5.87. Because of its reltive faintness, 16 Aquarii should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of 16 Aquarii is -0.012 arcsec per year in Right Ascension and 0.011 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

Image of 16 Aquarii star
DSS2 image of 16 Aquarii. The red arrow shows the motion of 16 Aquarii during the next 10000 years (-2.00 arcmin in Right Ascension and 1.83 arcmin in declination);

Key facts about 16 Aquarii

5.87
Giant

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

Altitude: -11.2°
Azimuth: 83.2°
Direction: East

Celestial coordinates and finder chart of 16 Aquarii

16 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 16 Aquarii are provided in the following table:

21h 21m 04s
-04° 33’ 35”
47.47°
-35.11°
Aquarius

The simplified sky map below shows the position of 16 Aquarii in the sky:

Finder chart 16 Aquarii star
Simplified finder chart for 16 Aquarii.

Visibility of 16 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 16 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: 94.6°
Max altitude: 34.0°
Azimuth: 265.4°

Distance of 16 Aquarii from the Sun and relative movement

16 Aquarii is distant 336.43 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

103.20 pc
336.43 ly
-6 km/s
-0.012 arcsec/year
0.011 arcsec/year

Spectral properties of 16 Aquarii

16 Aquarii belongs to spectral class G7

0.80
G7
4943K

The red dot in the diagram below shows where 16 Aquarii is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 16 Aquarii. Attribution: Richard Powell / CC BY-SA

Alternative designations of 16 Aquarii

SAO145317
SAO145317