ι Aquarii (iota Aquarii)

Above the horizon. Rise: 17:05 | Tran: 21:51 | Set: 2:42

Alt: 6.46° Az: 121.76° Direction: East-South-East

ι Aquarii is a sub-giant star of spectral class B9 in the constellation of Aquarius.

ι Aquarii visual magnitude is 4.27. Because of its moderate brightness, ι 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 ι Aquarii. The red arrow shows the motion of ι Aquarii during the next 10000 years (7.00 arcmin in Right Ascension and -9.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 22h 07m 46s

Declination -13° 44’ 53”

Hour Angle 19h 58m 14s

Sideral Time 18h 06m 01s

J2000

Right Ascension 22h 06m 26s

Declination -13° 52’ 10”

Galactic Coordinates

Galactic Longitude 43.51°

Galactic Latitude -49.37°

Finder Chart

Simplified finder chart for ι Aquarii (iota Aquarii).

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.27

Class Sub-giant

Absolute magnitude 0.65

Spectral Type B9IV

Color Index (B-V) -0.07

Temperature 11092K

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

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

Distance, Radial Speed, Proper Motion

ι Aquarii is distant 172.49 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

Distance (parsec) 52.91

Distance (light year) 172.49

Radial Speed -10 km/s

Proper Motion RA 0.042 arcsec/y

Proper Motion Dec -0.056"/y

Alternative Designations

Bayer designation ι Aquarii
(iota Aquarii)

Flamsteed designation 33 Aquarii

Henry Draper Catalogue HD209819

SAO Catalogue SAO164861

Hipparcos Catalogue HIP109139

Durchmusterung Catalogue BD-14 6209

FK5 Catalogue 828

Visibility from Your Location

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

Azimuth: 103.7° RISE 17:05

Max altitude: 24.8° TRANSIT 21:51

Azimuth: 256.3° SET 2:42

Set Location

Other stars in Aquarius