HR6422

Below the horizon. Rise: 0:26 | Tran: 2:55 | Set: 5:21

Alt: -10.61° Az: 229.89° Direction: South-West

HR6422 is a variable and double main-sequence star of spectral class B5 in the constellation of Scorpius.

HR6422 visual magnitude is 6.36. Because of its faintness, HR6422 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 HR6422. The red arrow shows the motion of HR6422 during the next 10000 years (-2.17 arcmin in Right Ascension and -3.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 17h 19m 59s

Declination -32° 34’ 42”

Hour Angle 04h 12m 32s

Sidereal Time 21h 32m 32s

J2000

Right Ascension 17h 18m 20s

Declination -32° 33’ 11”

Galactic Coordinates

Galactic Longitude 353.77°

Galactic Latitude 2.93°

Finder Chart

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Finder chart for HR6422.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.36

Class Main-sequence

Absolute magnitude -1.57

Spectral Type B5V

Color Index (B-V) 0.15

Temperature 8571K

The red dot in the diagram below shows where HR6422 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6422. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR6422 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 HR6422 double sysyem:

Main star magnitude 6.36

Secondary star magnitude 11.96

Magnitude difference 5.6

Separation 19.5 arcsec

Distance, Radial Speed, Proper Motion

HR6422 is distant 1,258.69 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

Distance (parsec) 386.10

Distance (light year) 1,258.69

Radial Speed -14 km/s

Proper Motion RA -0.013 arcsec/y

Proper Motion Dec -0.019"/y

Alternative Designations

Henry Draper Catalogue HD156325

SAO Catalogue SAO208657

Hipparcos Catalogue HIP84650

Durchmusterung Catalogue CD-3212573

General Catalogue of Variable Stars Var?

Visibility from Your Location

Today's HR6422 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 122.6° RISE 0:26

Max altitude: 5.9° TRANSIT 2:55

Azimuth: 237.4° SET 5:21

Set Location

Other stars in Scorpius