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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 7:10 
Transit: 12:47 
Sunset: 18:24
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All Constellations » Aquarius » 

ψ1 Aquarii (psi1 Aquarii)

Below the horizon.  Rise: 18:00 | Tran: 23:12 | Set: 4:29
Alt: -32.45°   Az: 300.17°   Direction: West-North-West

ψ1 Aquarii is a multiple hypergiant star of spectral class K0 in the constellation of Aquarius.

ψ1 Aquarii visual magnitude is 4.21. Because of its moderate brightness, ψ1 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.

Image of ψ1 Aquarii (psi1 Aquarii) star
DSS2 image of ψ1 Aquarii. The red arrow shows the motion of ψ1 Aquarii during the next 1000 years (6.20 arcmin in Right Ascension and -0.27 arcmin in declination);

Celestial Coordinates

Apparent

23h 17m 10s
-08° 57’ 08”
08h 49m 34s
08h 06m 45s

J2000

23h 15m 53s
-09° 05’ 16”

Galactic Coordinates

67.07°
-61.11°

Finder Chart

Finder chart ψ1 Aquarii (psi1 Aquarii) star
Simplified finder chart for ψ1 Aquarii (psi1 Aquarii).

Magnitude, Color, Spectral Class

4.21
Hypergiant

0.92
K0III
4493K

The red dot in the diagram below shows where ψ1 Aquarii is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ψ1 Aquarii. Attribution: Richard Powell / CC BY-SA

Star System Properties

ψ1 Aquarii is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the ψ1 Aquarii double sysyem:

4.21
9.01
4.8
49.2 arcsec

Distance, Radial Speed, Proper Motion

ψ1 Aquarii is distant 148.38 light years from the Sun and it is moving towards the Sun at the speed of 26 kilometers per second.

45.52
148.38
-26 km/s
0.372 arcsec/y
-0.016"/y

Alternative Designations

ψ1 Aquarii
(psi1 Aquarii)
SAO146598
SAO146598
Gl 893.2A

Visibility from Your Location

Today's ψ1 Aquarii (psi1 Aquarii) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 99.0°
Max altitude: 29.6°
Azimuth: 261.0°