HR4417

Below the horizon. Never rises today

Alt: -28.57° Az: 141.41° Direction: South-East

HR4417 is a double hypergiant star of spectral class K0 in the constellation of Centaurus.

HR4417 visual magnitude is 5.81. Because of its faintness, HR4417 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 HR4417. The red arrow shows the motion of HR4417 during the next 10000 years (-6.83 arcmin in Right Ascension and 2.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 11h 27m 57s

Declination -53° 17’ 47”

Hour Angle 19h 34m 22s

Sideral Time 07h 02m 19s

J2000

Right Ascension 11h 26m 47s

Declination -53° 09’ 35”

Galactic Coordinates

Galactic Longitude 290.32°

Galactic Latitude 7.63°

Finder Chart

Simplified finder chart for HR4417.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.81

Class Hypergiant

Absolute magnitude -0.60

Spectral Type K0III

Color Index (B-V) 0.52

Temperature 6300K

The red dot in the diagram below shows where HR4417 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR4417. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4417 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 HR4417 double sysyem:

Main star magnitude 5.81

Secondary star magnitude 6.21

Magnitude difference 0.4

Separation 0.1 arcsec

Distance, Radial Speed, Proper Motion

HR4417 is distant 624.52 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

Distance (parsec) 191.57

Distance (light year) 624.52

Radial Speed -8 km/s

Proper Motion RA -0.041 arcsec/y

Proper Motion Dec 0.014"/y

Alternative Designations

Henry Draper Catalogue HD99574

SAO Catalogue SAO239074

Hipparcos Catalogue HIP55849

Durchmusterung Catalogue CP-52 4567

Visibility from Your Location

HR4417 is currently not visible from Greenwich, UK

Set Location

Other stars in Centaurus