Home
Search Objects
Major Solar System Objects
Comets
Asteroids
Spacecrafts
Star Maps
Orbits
public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:05 
Transit: 12:56 
Sunset: 20:48
warning Set your observing location to get relevant data
Search  close
All Constellations » Leo » 

φ Leonis (phi Leonis)

Above the horizon.  Rise: 14:51 | Tran: 20:31 | Set: 2:13
Alt: 17.24°   Az: 239.94°   Direction: West-South-West

φ Leonis is a double sub-giant star of spectral class A7 in the constellation of Leo.

φ Leonis visual magnitude is 4.47. Because of its moderate brightness, φ 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 φ Leonis (phi Leonis) star
DSS2 image of φ Leonis. The red arrow shows the motion of φ Leonis during the next 1000 years (-1.80 arcmin in Right Ascension and -0.60 arcmin in declination);

Celestial Coordinates

Apparent

11h 17m 57s
-03° 47’ 25”
03h 43m 44s
15h 01m 42s

J2000

11h 16m 39s
-03° 39’ 06”

Galactic Coordinates

262.66°
51.65°

Finder Chart

loader
  Loading map...
Finder chart for φ Leonis (phi Leonis).

Magnitude, Color, Spectral Class

4.47
Sub-giant

0.58
A7IV
8086K

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

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

Star System Properties

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

4.47
9.17
4.7
96.9 arcsec

Distance, Radial Speed, Proper Motion

φ Leonis is distant 195.33 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

59.92
195.33
-3 km/s
-0.108 arcsec/y
-0.036"/y

Alternative Designations

φ Leonis
(phi Leonis)
SAO138102
SAO138102

Visibility from Your Location

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

Azimuth: 93.8°
Max altitude: 34.7°
Azimuth: 266.2°