HR4512

Above the horizon. Rise: 3:02 | Tran: 11:23 | Set: 19:44

Alt: 32.46° Az: 270.43° Direction: West

HR4512 is a double giant star of spectral class K5 in the constellation of Leo.

HR4512 visual magnitude is 6.02. Because of its faintness, HR4512 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 HR4512. The red arrow shows the motion of HR4512 during the next 10000 years (-2.33 arcmin in Right Ascension and 2.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 11h 45m 30s

Declination +25° 04’ 50”

Hour Angle 04h 34m 43s

Sideral Time 16h 20m 13s

J2000

Right Ascension 11h 44m 13s

Declination +25° 13’ 05”

Galactic Coordinates

Galactic Longitude 216.37°

Galactic Latitude 74.81°

Finder Chart

Simplified finder chart for HR4512.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.02

Class Giant

Absolute magnitude -1.25

Spectral Type K5III

Color Index (B-V) 1.53

Temperature 3749K

The red dot in the diagram below shows where HR4512 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4512. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4512 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 HR4512 double sysyem:

Main star magnitude 6.02

Secondary star magnitude 10.72

Magnitude difference 4.7

Separation 36.7 arcsec

Distance, Radial Speed, Proper Motion

HR4512 is distant 928.77 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

Distance (parsec) 284.90

Distance (light year) 928.77

Radial Speed -3 km/s

Proper Motion RA -0.014 arcsec/y

Proper Motion Dec 0.012"/y

Alternative Designations

Henry Draper Catalogue HD101980

SAO Catalogue SAO81960

Hipparcos Catalogue HIP57240

Durchmusterung Catalogue BD+26 2250

FK5 Catalogue 2940

Aitken Double Star Catalogue ADS8285

Visibility from Your Location

Today's HR4512 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 64.9° RISE 3:02

Max altitude: 63.6° TRANSIT 11:23

Azimuth: 295.1° SET 19:44

Set Location

Other stars in Leo