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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:44 
Transit: 12:57 
Sunset: 20:12
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All Constellations » Leo » 

ι Leonis (iota Leonis)

Below the horizon.  Rise: 15:17 | Tran: 22:08 | Set: 5:03
Alt: -28.11°   Az: 2.07°   Direction: North

ι Leonis is a variable and double sub-giant star of spectral class F4 in the constellation of Leo.

ι Leonis visual magnitude is 3.94. Because of its moderate brightness, ι Leonis 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 ι Leonis (iota Leonis) star
DSS2 image of ι Leonis. The red arrow shows the motion of ι Leonis during the next 1000 years (2.80 arcmin in Right Ascension and -1.25 arcmin in declination);

Celestial Coordinates

Apparent

11h 25m 14s
+10° 23’ 23”
12h 07m 24s
23h 32m 38s

J2000

11h 23m 55s
+10° 31’ 45”

Galactic Coordinates

247.6°
63.55°

Finder Chart

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Finder chart for ι Leonis (iota Leonis).

Magnitude, Color, Spectral Class

3.94
Sub-giant

2.02
F4IV
6827K

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

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

Star System Properties

ι Leonis is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the ι Leonis double sysyem:

3.94
6.74
2.8
1.1 arcsec

Distance, Radial Speed, Proper Motion

ι Leonis is distant 79.01 light years from the Sun and it is moving towards the Sun at the speed of 10 kilometers per second.

24.24
79.01
-10 km/s
0.168 arcsec/y
-0.075"/y

Alternative Designations

ι Leonis
(iota Leonis)
SAO99587
SAO99587

Visibility from Your Location

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

Azimuth: 79.6°
Max altitude: 48.9°
Azimuth: 280.4°