34 Leonis

Below the horizon. Rise: 4:34 | Tran: 11:41 | Set: 18:47

Alt: -25.28° Az: 0.80° Direction: North

34 Leonis is a double main-sequence star of spectral class F7 in the constellation of Leo.

34 Leonis visual magnitude is 6.44. Because of its faintness, 34 Leonis is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of 34 Leonis. The red arrow shows the motion of 34 Leonis during the next 10000 years (6.67 arcmin in Right Ascension and -6.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 10h 12m 57s

Declination +13° 13’ 56”

Hour Angle 12h 02m 57s

Sideral Time 22h 15m 55s

J2000

Right Ascension 10h 11m 38s

Declination +13° 21’ 18”

Galactic Coordinates

Galactic Longitude 225.08°

Galactic Latitude 50.28°

Finder Chart

Simplified finder chart for 34 Leonis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.44

Class Main-sequence

Absolute magnitude 2.25

Spectral Type F7V

Color Index (B-V) 0.46

Temperature 6576K

The red dot in the diagram below shows where 34 Leonis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 34 Leonis. Attribution: Richard Powell / CC BY-SA

Star System Properties

34 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 34 Leonis double sysyem:

Main star magnitude 6.44

Secondary star magnitude 7.24

Magnitude difference 0.8

Separation 0.2 arcsec

Distance, Radial Speed, Proper Motion

34 Leonis is distant 224.98 light years from the Sun and it is moving towards the Sun at the speed of 16 kilometers per second.

Distance (parsec) 69.01

Distance (light year) 224.98

Radial Speed -16 km/s

Proper Motion RA 0.04 arcsec/y

Proper Motion Dec -0.036"/y

Alternative Designations

Flamsteed designation 34 Leonis

Henry Draper Catalogue HD88355

SAO Catalogue SAO98991

Hipparcos Catalogue HIP49929

Durchmusterung Catalogue BD+14 2217

Aitken Double Star Catalogue ADS7674

Visibility from Your Location

Today's 34 Leonis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 76.8° RISE 4:34

Max altitude: 51.8° TRANSIT 11:41

Azimuth: 283.2° SET 18:47

Name:	Greenwich, UK
Latitude:	51° 28' 48.0" N
Longitude:	0° 0' 0.0" E
Timezone:	Europe/London

Location

Other stars in Leo