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public LocationGreenwich, United Kingdom
TimezoneEurope/London
Sunrise: 5:22 
Transit: 12:55 
Sunset: 20:28
sunny   (Daytime)   What's Visible Now?

55 Leonis

Altitude: -36.9°   Azimuth: 14.0°   Direction: North-North-East

55 Leonis is a multiple giant star in the constellation of Leo.

55 Leonis visual magnitude is 5.91. Because of its reltive faintness, 55 Leonis should be visible only from locations with dark skies, while it is not visible at all from skies affected by light pollution.

The proper motion of 55 Leonis is 0.106 arcsec per year in Right Ascension and 0 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

Image of 55 Leonis star
DSS2 image of 55 Leonis. The red arrow shows the motion of 55 Leonis during the next 1000 years (1.77 arcmin in Right Ascension and 0.00 arcmin in declination);

Key facts about 55 Leonis

5.91
Giant

55 Leonis is below the horizon from Greenwich, United Kingdom.

Altitude: -36.9°
Azimuth: 14.0°
Direction: North-North-East

Celestial coordinates and finder chart of 55 Leonis

55 Leonis is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of 55 Leonis are provided in the following table:

10h 55m 42s
+00° 44’ 12”
251.63°
51.69°
Leo

The simplified sky map below shows the position of 55 Leonis in the sky:

Finder chart 55 Leonis star
Simplified finder chart for 55 Leonis.

Visibility of 55 Leonis from your location

Location: Greenwich, United Kingdom
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's 55 Leonis rise, transit and set times from Greenwich, United Kingdom are the following (all times relative to the local timezone Europe/London):

Azimuth: 89.3°
Max altitude: 39.3°
Azimuth: 270.7°

Distance of 55 Leonis from the Sun and relative movement

55 Leonis is distant 142.67 light years from the Sun and it is moving towards the Sun at the speed of 2 kilometers per second.

43.76 pc
142.67 ly
-2 km/s
0.106 arcsec/year

Spectral properties of 55 Leonis

55 Leonis belongs to spectral class F2 and has a luminosity class of III corresponding to a giant star.

2.70
F2III
6776K

The red dot in the diagram below shows where 55 Leonis is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of 55 Leonis. Attribution: Richard Powell / CC BY-SA

55 Leonis star system properties

55 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 55 Leonis double sysyem:

5.91
7.91
2
0 arcsec

Alternative designations of 55 Leonis

SAO118574
SAO118574