HR4423

Above the horizon. Rise: 12:47 | Tran: 17:19 | Set: 21:51

Alt: 25.29° Az: 183.76° Direction: South

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.

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

Right Ascension 11h 29m 49s

Declination -42° 48’ 53”

Hour Angle 00h 18m 32s

Sidereal Time 11h 48m 21s

J2000

Right Ascension 11h 28m 35s

Declination -42° 40’ 27”

Galactic Coordinates

Galactic Longitude 287.1°

Galactic Latitude 17.64°

Finder Chart

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Finder chart for HR4423.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.08

Class Main-sequence

Absolute magnitude -1.33

Spectral Type B9V

Color Index (B-V) -0.03

Temperature 10516K

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

Main star magnitude 5.08

Secondary star magnitude 7.78

Magnitude difference 2.7

Separation 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.

Distance (parsec) 191.57

Distance (light year) 624.52

Radial Speed 3 km/s

Proper Motion RA -0.04 arcsec/y

Proper Motion Dec 0.008"/y

Alternative Designations

Henry Draper Catalogue HD99803

SAO Catalogue SAO222813

Hipparcos Catalogue HIP56000

Durchmusterung Catalogue CD-41 6565

Visibility from Your Location

Today's HR4423 rise, transit and set times from Pinggang, China are the following (all times relative to the local timezone Asia/Shanghai):

Azimuth: 132.8° RISE 12:47

Max altitude: 25.4° TRANSIT 17:19

Azimuth: 227.2° SET 21:51

Name:	Pinggang, China
Latitude:	21° 45' 16.9" N
Longitude:	111° 52' 40.8" E
Timezone:	Asia/Shanghai

Set Location

Other stars in Centaurus