HR423

Below the horizon. Rise: 7:59 | Tran: 10:27 | Set: 12:54

Alt: -22.77° Az: 113.96° Direction: East-South-East

HR423 is a variable and double bright giant star of spectral class C6 in the constellation of Sculptor.

HR423 visual magnitude is 5.79. Because of its faintness, HR423 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 HR423. The red arrow shows the motion of HR423 during the next 10000 years (-1.83 arcmin in Right Ascension and -5.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 01h 28m 08s

Declination -32° 24’ 42”

Hour Angle 18h 14m 05s

Sidereal Time 19h 42m 13s

J2000

Right Ascension 01h 26m 58s

Declination -32° 32’ 35”

Galactic Coordinates

Galactic Longitude 250.18°

Galactic Latitude -80.59°

Finder Chart

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Finder chart for HR423.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.79

Class Bright giant

Absolute magnitude -2.59

Spectral Type C6II

Color Index (B-V) 3.86

Temperature 1979K

The red dot in the diagram below shows where HR423 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR423. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR423 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 HR423 double sysyem:

Main star magnitude 5.79

Secondary star magnitude 17.69

Magnitude difference 11.9

Separation 10 arcsec

Distance, Radial Speed, Proper Motion

HR423 is distant 1,545.02 light years from the Sun and it is moving towards the Sun at the speed of 8 kilometers per second.

Distance (parsec) 473.93

Distance (light year) 1,545.02

Radial Speed -8 km/s

Proper Motion RA -0.011 arcsec/y

Proper Motion Dec -0.031"/y

Alternative Designations

Henry Draper Catalogue HD8879

SAO Catalogue SAO193122

Hipparcos Catalogue HIP6759

Durchmusterung Catalogue CD-33 525

General Catalogue of Variable Stars R Scl

Visibility from Your Location

Today's HR423 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 122.4° RISE 7:59

Max altitude: 6.1° TRANSIT 10:27

Azimuth: 237.6° SET 12:54

Set Location

Other stars in Sculptor