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public LocationGreenwich, UK
Sunrise: 5:12 
Transit: 13:06 
Sunset: 20:59
wb_twilight   (Nautical Twilight)   What's Visible Now?
All Constellations » Aries » 

ι Arietis (iota Arietis)

Below the horizon.  Rise: 23:15 | Tran: 6:52 | Set: 14:26
Alt: -10.45°   Az: 42.74°   Direction: North-East

ι Arietis is a double star of spectral class K1 in the constellation of Aries.

ι Arietis visual magnitude is 5.1. Because of its faintness, ι Arietis is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

Image of ι Arietis (iota Arietis) star
DSS2 image of ι Arietis. The red arrow shows the motion of ι Arietis during the next 10000 years (6.17 arcmin in Right Ascension and -3.00 arcmin in declination);

Celestial Coordinates


01h 58m 41s
+17° 56’ 11”
14h 58m 12s
16h 56m 53s


01h 57m 21s
+17° 49’ 02”

Galactic Coordinates


Finder Chart

Finder chart ι Arietis (iota Arietis) star
Simplified finder chart for ι Arietis (iota Arietis).

Magnitude, Color, Spectral Class



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

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

Star System Properties

ι Arietis 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 ι Arietis double sysyem:

0 arcsec

Distance, Radial Speed, Proper Motion

ι Arietis is distant 658.59 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

-5 km/s
0.037 arcsec/y

Alternative Designations

ι Arietis
(iota Arietis)

Visibility from Your Location

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

Azimuth: 72.1°
Max altitude: 56.5°
Azimuth: 287.9°