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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 4:59 
Transit: 12:56 
Sunset: 20:54
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All Constellations » Centaurus » 

HR4423

Below the horizon.  Never rises today
Alt: -44.89°   Az: 253.21°   Direction: West-South-West

HR4423 is a double main-sequence star of spectral class B9 in the constellation of Centaurus.

HR4423 visual magnitude is 5.08. Because of its faintness, HR4423 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.

Image of HR4423 star
DSS2 image of HR4423. The red arrow shows the motion of HR4423 during the next 10000 years (-6.67 arcmin in Right Ascension and 1.33 arcmin in declination);

Celestial Coordinates

Apparent

11h 29m 48s
-42° 48’ 51”
07h 29m 33s
18h 59m 22s

J2000

11h 28m 35s
-42° 40’ 27”

Galactic Coordinates

287.1°
17.64°

Finder Chart

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Finder chart for HR4423.

Magnitude, Color, Spectral Class

5.08
Main-sequence

-1.33
B9V
10516K

The red dot in the diagram below shows where HR4423 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR4423. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR4423 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 HR4423 double sysyem:

5.08
7.78
2.7
13.2 arcsec

Distance, Radial Speed, Proper Motion

HR4423 is distant 624.52 light years from the Sun and it is moving far from the Sun at the speed of 3 kilometers per second.

191.57
624.52
3 km/s
-0.04 arcsec/y
0.008"/y

Alternative Designations

SAO222813
SAO222813

Visibility from Your Location

HR4423 is currently not visible from Greenwich, UK