HR4755

Below the horizon. Never rises today

Alt: -8.15° Az: 154.55° Direction: South-South-East

HR4755 is a variable bright giant star of spectral class M2 in the constellation of Centaurus.

HR4755 visual magnitude is 6.02. Because of its faintness, HR4755 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 HR4755. The red arrow shows the motion of HR4755 during the next 10000 years (1.33 arcmin in Right Ascension and -4.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 12h 31m 19s

Declination -41° 52’ 34”

Hour Angle 21h 40m 36s

Sidereal Time 10h 11m 56s

J2000

Right Ascension 12h 29m 57s

Declination -41° 44’ 09”

Galactic Coordinates

Galactic Longitude 298.64°

Galactic Latitude 20.96°

Finder Chart

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Finder chart for HR4755.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.02

Class Bright giant

Absolute magnitude -1.23

Spectral Type M2II

Color Index (B-V) 1.52

Temperature 3764K

The red dot in the diagram below shows where HR4755 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4755. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR4755 is distant 918.31 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

Distance (parsec) 281.69

Distance (light year) 918.31

Radial Speed 3 km/s

Proper Motion RA 0.008 arcsec/y

Proper Motion Dec -0.025"/y

Alternative Designations

Henry Draper Catalogue HD108759

SAO Catalogue SAO223471

Hipparcos Catalogue HIP60979

Durchmusterung Catalogue CD-41 7219

General Catalogue of Variable Stars 5655

Visibility from Your Location

HR4755 is currently not visible from Greenwich, UK

In Evidence

Other stars in Centaurus

HR4755

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location

Set Location

In Evidence

Other stars in Centaurus

HR4755

Celestial Coordinates

Apparent

J2000

Galactic Coordinates

Finder Chart

Magnitude, Color, Spectral Class

Distance, Radial Speed, Proper Motion

Alternative Designations

Visibility from Your Location