HR4612

Below the horizon. Rise: 19:29 | Tran: 21:08 | Set: 22:47

Alt: -1.10° Az: 203.64° Direction: South-South-West

HR4612 is a variable and double main-sequence star of spectral class B8 in the constellation of Centaurus.

HR4612 visual magnitude is 6.23. Because of its faintness, HR4612 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 HR4612. The red arrow shows the motion of HR4612 during the next 10000 years (-5.17 arcmin in Right Ascension and -0.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 07m 15s

Declination -35° 50’ 06”

Hour Angle 01h 58m 33s

Sidereal Time 14h 05m 48s

J2000

Right Ascension 12h 05m 56s

Declination -35° 41’ 38”

Galactic Coordinates

Galactic Longitude 292.64°

Galactic Latitude 26.27°

Finder Chart

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Finder chart for HR4612.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.23

Class Main-sequence

Absolute magnitude -0.51

Spectral Type B8V

Color Index (B-V) -0.08

Temperature 11247K

The red dot in the diagram below shows where HR4612 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4612. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4612 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 HR4612 double sysyem:

Main star magnitude 6.23

Secondary star magnitude 13.93

Magnitude difference 7.7

Separation 25.4 arcsec

Distance, Radial Speed, Proper Motion

HR4612 is distant 727.68 light years from the Sun and it is moving towards the Sun at the speed of 18 kilometers per second.

Distance (parsec) 223.21

Distance (light year) 727.68

Radial Speed -18 km/s

Proper Motion RA -0.031 arcsec/y

Proper Motion Dec -0.002"/y

Alternative Designations

Henry Draper Catalogue HD105078

SAO Catalogue SAO203119

Hipparcos Catalogue HIP59008

Durchmusterung Catalogue CD-35 7694

FK5 Catalogue 1312

General Catalogue of Variable Stars 5456

Visibility from Your Location

Today's HR4612 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 125.8° RISE 19:29

Max altitude: 2.7° TRANSIT 21:08

Azimuth: 234.2° SET 22:47

Set Location

Other stars in Centaurus