HR6405

Above the horizon. Rise: 0:42 | Tran: 2:26 | Set: 4:06

Alt: 1.71° Az: 167.59° Direction: South-South-East

HR6405 is a double hypergiant star of spectral class G0 in the constellation of Scorpius.

HR6405 visual magnitude is 6.12. Because of its faintness, HR6405 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 HR6405. The red arrow shows the motion of HR6405 during the next 1000 years (-1.97 arcmin in Right Ascension and -5.32 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 17h 18m 03s

Declination -35° 46’ 32”

Hour Angle 22h 58m 35s

Sidereal Time 16h 16m 39s

J2000

Right Ascension 17h 16m 21s

Declination -35° 44’ 57”

Galactic Coordinates

Galactic Longitude 350.92°

Galactic Latitude 1.42°

Finder Chart

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Finder chart for HR6405.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.12

Class Hypergiant

Absolute magnitude 3.58

Spectral Type G0IV

Color Index (B-V) 0.48

Temperature 6481K

The red dot in the diagram below shows where HR6405 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6405. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR6405 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 HR6405 double sysyem:

Main star magnitude 6.12

Secondary star magnitude 13.52

Magnitude difference 7.4

Separation 36.5 arcsec

Distance, Radial Speed, Proper Motion

HR6405 is distant 105.06 light years from the Sun and it is moving towards the Sun at the speed of 1 kilometers per second.

Distance (parsec) 32.23

Distance (light year) 105.06

Radial Speed -1 km/s

Proper Motion RA -0.118 arcsec/y

Proper Motion Dec -0.319"/y

Alternative Designations

Henry Draper Catalogue HD155974

SAO Catalogue SAO208610

Hipparcos Catalogue HIP84489

Durchmusterung Catalogue CD-3511426

Visibility from Your Location

Today's HR6405 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 125.8° RISE 0:42

Max altitude: 2.7° TRANSIT 2:26

Azimuth: 234.2° SET 4:06

Set Location

Other stars in Scorpius