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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:12 
Transit: 12:56 
Sunset: 20:41
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All Constellations » Leo » 

η Leonis (eta Leonis)

Below the horizon.  Rise: 12:15 | Tran: 19:41 | Set: 3:11
Alt: -21.88°   Az: 359.18°   Direction: North

η Leonis is a variable and double hypergiant star of spectral class A0 in the constellation of Leo.

η Leonis visual magnitude is 3.52. Because of its moderate brightness, η 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 η Leonis (eta Leonis) star
DSS2 image of η Leonis. The red arrow shows the motion of η Leonis during the next 100000 years (-3.33 arcmin in Right Ascension and 0.00 arcmin in declination);

Celestial Coordinates

Apparent

10h 08m 42s
+16° 38’ 17”
11h 56m 49s
22h 05m 31s

J2000

10h 07m 19s
+16° 45’ 46”

Galactic Coordinates

219.53°
50.75°

Finder Chart

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Finder chart for η Leonis (eta Leonis).

Magnitude, Color, Spectral Class

3.52
Hypergiant

-5.56
A0I
10516K

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

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

Star System Properties

η Leonis 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 η Leonis double sysyem:

3.52
4.02
0.5
0.1 arcsec

Distance, Radial Speed, Proper Motion

η Leonis is distant 2,130.72 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

653.59
2,130.72
3 km/s
-0.002 arcsec/y

Alternative Designations

η Leonis
(eta Leonis)
SAO98955
SAO98955

Visibility from Your Location

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

Azimuth: 73.4°
Max altitude: 55.2°
Azimuth: 286.6°