HR6477

Below the horizon. Never rises today

Alt: -10.38° Az: 199.72° Direction: South-South-West

HR6477 is a variable and multiple main-sequence star of spectral class B7 in the constellation of Ara.

HR6477 visual magnitude is 5.29. Because of its faintness, HR6477 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 HR6477. The red arrow shows the motion of HR6477 during the next 10000 years (-6.67 arcmin in Right Ascension and -6.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 17h 28m 44s

Declination -45° 51’ 48”

Hour Angle 01h 53m 50s

Sidereal Time 19h 22m 34s

J2000

Right Ascension 17h 26m 51s

Declination -45° 50’ 36”

Galactic Coordinates

Galactic Longitude 343.72°

Galactic Latitude -5.94°

Finder Chart

Loading map...

Finder chart for HR6477.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.29

Class Main-sequence

Absolute magnitude -1.03

Spectral Type B7V

Color Index (B-V) -0.07

Temperature 11092K

The red dot in the diagram below shows where HR6477 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6477. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR6477 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR6477 double sysyem:

Main star magnitude 5.29

Secondary star magnitude 6.09

Magnitude difference 0.8

Separation 2.3 arcsec

Distance, Radial Speed, Proper Motion

HR6477 is distant 599.26 light years from the Sun and it is moving towards the Sun at the speed of 9 kilometers per second.

Distance (parsec) 183.82

Distance (light year) 599.26

Radial Speed -9 km/s

Proper Motion RA -0.04 arcsec/y

Proper Motion Dec -0.04"/y

Alternative Designations

Henry Draper Catalogue HD157661

SAO Catalogue SAO227971

Hipparcos Catalogue HIP85389

Durchmusterung Catalogue CD-4511531

General Catalogue of Variable Stars 8637

Visibility from Your Location

HR6477 is currently not visible from Greenwich, UK

Set Location

Other stars in Ara