We use cookies to deliver essential features and to measure their performance. Learn more.
We're free & ads-free thanks to your support
public LocationGreenwich, UK
TimezoneEurope/London
Sunrise: 5:07 
Transit: 13:06 
Sunset: 21:04
wb_twilight   (Astronomical Twilight)   What's Visible Now?
All Constellations » Aquarius » 

ζ1 Aquarii (zeta1 Aquarii)

Above the horizon.  Rise: 21:38 | Tran: 3:40 | Set: 9:39
Alt: 37.58°   Az: 164.38°   Direction: South-South-East

ζ1 Aquarii is a multiple sub-giant star of spectral class F6 in the constellation of Aquarius.

ζ1 Aquarii visual magnitude is 4.59. Because of its moderate brightness, ζ1 Aquarii 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.

ζ1 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.

Image of ζ1 Aquarii (zeta1 Aquarii) star
DSS2 image of ζ1 Aquarii. The red arrow shows the motion of ζ1 Aquarii during the next 1000 years (3.02 arcmin in Right Ascension and 0.15 arcmin in declination);

Celestial Coordinates

Apparent

22h 30m 05s
+00° 06’ 21”
23h 10m 42s
21h 40m 47s

J2000

22h 28m 49s
-00° 01’ 13”

Galactic Coordinates

65.35°
-46.33°

Finder Chart

Finder chart ζ1 Aquarii (zeta1 Aquarii) star
Simplified finder chart for ζ1 Aquarii (zeta1 Aquarii).

Magnitude, Color, Spectral Class

4.59
Sub-giant

2.08
F6IV
10125K

The red dot in the diagram below shows where ζ1 Aquarii is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ζ1 Aquarii. Attribution: Richard Powell / CC BY-SA

Star System Properties

ζ1 Aquarii is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the ζ1 Aquarii double sysyem:

4.59
4.79
0.2
1.8 arcsec

Distance, Radial Speed, Proper Motion

ζ1 Aquarii is distant 103.39 light years from the Sun and it is moving far from the Sun at the speed of 29 kilometers per second.

31.72 pc
103.39 ly
29 km/s
0.181 arcsec/y
0.009 "/y

Alternative Designations

ζ1 Aquarii
(zeta1 Aquarii)
SAO146107
SAO146107

Visibility from Your Location

Today's ζ1 Aquarii (zeta1 Aquarii) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 89.9°
Max altitude: 38.6°
Azimuth: 270.1°