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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:05 
Transit: 12:56 
Sunset: 20:48
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All Constellations » Leo » 

Denebola - β Leonis (beta Leonis)

Below the horizon.  Rise: 13:50 | Tran: 21:03 | Set: 4:20
Alt: -10.62°   Az: 310.00°   Direction: North-West

Denebola, also designated as β Leonis (beta Leonis), is a variable and multiple main-sequence star of spectral class A3 in the constellation of Leo.

Denebola visual magnitude is 2.14, making it the 61th brightest star in the sky. Because of its brightness, Denebola is clearly visible to the naked eye when observed from locations with dark skies, and should be also quite easily visible from light polluted areas.

Image of Denebola - β Leonis (beta Leonis) star
DSS2 image of Denebola. The red arrow shows the motion of Denebola during the next 1000 years (-8.28 arcmin in Right Ascension and -1.90 arcmin in declination);

Celestial Coordinates

Apparent

11h 50m 22s
+14° 25’ 50”
08h 35m 53s
20h 26m 15s

J2000

11h 49m 03s
+14° 34’ 18”

Galactic Coordinates

250.65°
70.81°

Finder Chart

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Finder chart for Denebola - β Leonis (beta Leonis).

Magnitude, Color, Spectral Class

2.14
Main-sequence

1.92
A3V
9125K

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

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

Star System Properties

Denebola 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 Denebola double sysyem:

2.14
8.64
6.5
264 arcsec

Distance, Radial Speed, Proper Motion

Denebola is distant 36.16 light years from the Sun

11.09
36.16
-0.497 arcsec/y
-0.114"/y

Alternative Designations

Denebola
β Leonis
(beta Leonis)
SAO99809
SAO99809

Visibility from Your Location

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

Azimuth: 75.6°
Max altitude: 53.0°
Azimuth: 284.4°