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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 6:38 
Transit: 12:54 
Sunset: 19:10
wb_twilight   (Civil Twilight)  
What's Visible Now • Tonight Timeline
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All Constellations » Leo » 

Adhafera - ζ Leonis (zeta Leonis)

Above the horizon.  Rise: 3:26 | Tran: 11:34 | Set: 19:42
Alt: 2.45°   Az: 305.58°   Direction: North-West

Adhafera, also designated as ζ Leonis (zeta Leonis), is a variable and double hypergiant star of spectral class F0 in the constellation of Leo.

Adhafera visual magnitude is 3.44. Because of its moderate brightness, Adhafera 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 Adhafera - ζ Leonis (zeta Leonis) star
DSS2 image of Adhafera. The red arrow shows the motion of Adhafera during the next 10000 years (3.00 arcmin in Right Ascension and -1.17 arcmin in declination);

Celestial Coordinates

Apparent

10h 18m 03s
+23° 17’ 35”
07h 51m 08s
18h 09m 11s

J2000

10h 16m 41s
+23° 25’ 01”

Galactic Coordinates

210.23°
54.95°

Finder Chart

Finder chart Adhafera - ζ Leonis (zeta Leonis) star
Simplified finder chart for Adhafera - ζ Leonis (zeta Leonis).

Magnitude, Color, Spectral Class

3.44
Hypergiant

-1.07
F0III
7399K

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

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

Star System Properties

Adhafera is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the Adhafera double sysyem:

3.44
5.74
2.3
325.9 arcsec

Distance, Radial Speed, Proper Motion

Adhafera is distant 259.55 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

79.62
259.55
-16 km/s
0.018 arcsec/y
-0.007"/y

Alternative Designations

Adhafera
ζ Leonis
(zeta Leonis)
SAO81265
SAO81265

Visibility from Your Location

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

Azimuth: 66.7°
Max altitude: 61.8°
Azimuth: 293.3°