49 Leonis

Below the horizon. Rise: 5:15 | Tran: 11:56 | Set: 18:37

Alt: -29.93° Az: 356.11° Direction: North

49 Leonis is a variable and multiple main-sequence star of spectral class A2 in the constellation of Leo.

49 Leonis visual magnitude is 5.67. Because of its faintness, 49 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 49 Leonis. The red arrow shows the motion of 49 Leonis during the next 10000 years (-9.17 arcmin in Right Ascension and -1.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 10h 36m 19s

Declination +08° 31’ 18”

Hour Angle 11h 46m 21s

Sideral Time 22h 22m 41s

J2000

Right Ascension 10h 35m 02s

Declination +08° 39’ 01”

Galactic Coordinates

Galactic Longitude 236.3°

Galactic Latitude 52.86°

Finder Chart

Simplified finder chart for 49 Leonis.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.67

Class Main-sequence

Absolute magnitude -0.09

Spectral Type A2V

Color Index (B-V) 0.05

Temperature 9542K

The red dot in the diagram below shows where 49 Leonis is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of 49 Leonis. Attribution: Richard Powell / CC BY-SA

Star System Properties

49 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 49 Leonis double sysyem:

Main star magnitude 5.67

Secondary star magnitude 7.67

Magnitude difference 2

Separation 0 arcsec

Distance, Radial Speed, Proper Motion

49 Leonis is distant 462.41 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

Distance (parsec) 141.84

Distance (light year) 462.41

Radial Speed 17 km/s

Proper Motion RA -0.055 arcsec/y

Proper Motion Dec -0.006"/y

Alternative Designations

Flamsteed designation 49 Leonis

Henry Draper Catalogue HD91636

SAO Catalogue SAO118380

Hipparcos Catalogue HIP51802

Durchmusterung Catalogue BD+09 2374

General Catalogue of Variable Stars TX Leo

Aitken Double Star Catalogue ADS7837

Visibility from Your Location

Today's 49 Leonis rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 81.5° RISE 5:15

Max altitude: 47.0° TRANSIT 11:56

Azimuth: 278.5° SET 18:37

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

Location

Other stars in Leo