89 Aquarii

Below the horizon. Rise: 18:44 | Tran: 22:39 | Set: 2:37

Alt: -13.72° Az: 108.72° Direction: East-South-East

89 Aquarii is a double sub-giant star of spectral class G2 in the constellation of Aquarius.

89 Aquarii visual magnitude is 4.69. Because of its moderate brightness, 89 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.

DSS2 image of 89 Aquarii. The red arrow shows the motion of 89 Aquarii during the next 10000 years (4.33 arcmin in Right Ascension and -1.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 23h 11m 13s

Declination -22° 19’ 21”

Hour Angle 18h 23m 52s

Sidereal Time 17h 35m 06s

J2000

Right Ascension 23h 09m 54s

Declination -22° 27’ 26”

Galactic Coordinates

Galactic Longitude 38.81°

Galactic Latitude -66.53°

Finder Chart

Simplified finder chart for 89 Aquarii.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.69

Class Sub-giant

Absolute magnitude -1.33

Spectral Type G2IV

Color Index (B-V) 0.65

Temperature 5778K

The red dot in the diagram below shows where 89 Aquarii is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 89 Aquarii. Attribution: Richard Powell / CC BY-SA

Star System Properties

89 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 89 Aquarii double sysyem:

Main star magnitude 4.69

Secondary star magnitude 5.49

Magnitude difference 0.8

Separation 0.4 arcsec

Distance, Radial Speed, Proper Motion

89 Aquarii is distant 520.77 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

Distance (parsec) 159.74

Distance (light year) 520.77

Radial Speed -5 km/s

Proper Motion RA 0.026 arcsec/y

Proper Motion Dec -0.009"/y

Alternative Designations

Flamsteed designation 89 Aquarii

Henry Draper Catalogue HD218640

SAO Catalogue SAO191687

Hipparcos Catalogue HIP114375

Durchmusterung Catalogue CD-2317771

Gliese Catalogue Wo 9812 A

Visibility from Your Location

Today's 89 Aquarii rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 112.3° RISE 18:44

Max altitude: 16.2° TRANSIT 22:39

Azimuth: 247.7° SET 2:37

Set Location

Other stars in Aquarius