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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:44 
Transit: 12:53 
Sunset: 19:00
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All Constellations » Aquarius » 

ω2 Aquarii (omega2 Aquarii)

Above the horizon.  Rise: 19:59 | Tran: 0:42 | Set: 5:29
Alt: 9.46°   Az: 232.09°   Direction: South-West

ω2 Aquarii is a double main-sequence star of spectral class B9 in the constellation of Aquarius.

ω2 Aquarii visual magnitude is 4.49. Because of its moderate brightness, ω2 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 ω2 Aquarii (omega2 Aquarii) star
DSS2 image of ω2 Aquarii. The red arrow shows the motion of ω2 Aquarii during the next 1000 years (1.68 arcmin in Right Ascension and -1.10 arcmin in declination);

Celestial Coordinates

Apparent

23h 43m 59s
-14° 24’ 27”
03h 33m 52s
03h 17m 52s

J2000

23h 42m 43s
-14° 32’ 41”

Galactic Coordinates

67.66°
-69.64°

Finder Chart

Finder chart ω2 Aquarii (omega2 Aquarii) star
Simplified finder chart for ω2 Aquarii (omega2 Aquarii).

Magnitude, Color, Spectral Class

4.49
Main-sequence

1.12
B9V
10653K

The red dot in the diagram below shows where ω2 Aquarii is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of ω2 Aquarii. Attribution: Richard Powell / CC BY-SA

Star System Properties

ω2 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 ω2 Aquarii double sysyem:

4.49
10.49
6
5 arcsec

Distance, Radial Speed, Proper Motion

ω2 Aquarii is distant 154.06 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

47.26
154.06
3 km/s
0.101 arcsec/y
-0.066"/y

Alternative Designations

ω2 Aquarii
(omega2 Aquarii)
105 Aquarii
SAO165842
SAO165842
Wo 9836 A

Visibility from Your Location

Today's ω2 Aquarii (omega2 Aquarii) rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 104.4°
Max altitude: 24.1°
Azimuth: 255.6°