HR4618

Below the horizon. Never rises today

Alt: -19.81° Az: 150.47° Direction: South-South-East

HR4618 is a multiple giant star of spectral class B6 in the constellation of Centaurus.

HR4618 visual magnitude is 4.47. Because of its moderate brightness, HR4618 is easily visible to the naked eye from locations with dark skies, while it might be barely visible, or not visible at all, from light-polluted skies.

DSS2 image of HR4618. The red arrow shows the motion of HR4618 during the next 10000 years (-5.83 arcmin in Right Ascension and -1.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 09m 25s

Declination -50° 48’ 12”

Hour Angle 20h 51m 12s

Sidereal Time 09h 00m 38s

J2000

Right Ascension 12h 08m 05s

Declination -50° 39’ 41”

Galactic Coordinates

Galactic Longitude 295.94°

Galactic Latitude 11.62°

Finder Chart

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Finder chart for HR4618.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 4.47

Class Giant

Absolute magnitude -0.84

Spectral Type B6III

Color Index (B-V) -0.15

Temperature 12489K

The red dot in the diagram below shows where HR4618 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4618. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4618 is a visual double star which can be observed with binoculars or small telescopes. The table below shows key information about the HR4618 double sysyem:

Main star magnitude 4.47

Secondary star magnitude 6.37

Magnitude difference 1.9

Separation 268.6 arcsec

Distance, Radial Speed, Proper Motion

HR4618 is distant 375.58 light years from the Sun and it is moving far from the Sun at the speed of 17 kilometers per second.

Distance (parsec) 115.21

Distance (light year) 375.58

Radial Speed 17 km/s

Proper Motion RA -0.035 arcsec/y

Proper Motion Dec -0.01"/y

Alternative Designations

Henry Draper Catalogue HD105382

SAO Catalogue SAO239687

Hipparcos Catalogue HIP59173

Durchmusterung Catalogue CD-49 6813

Visibility from Your Location

HR4618 is currently not visible from Greenwich, UK

In Evidence

Other stars in Centaurus

HR4618

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Star System Properties

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location

Set Location

In Evidence

Other stars in Centaurus

HR4618

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Star System Properties

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location