HR6749

Below the horizon. Never rises today

Alt: -5.53° Az: 189.21° Direction: South

HR6749 is a double main-sequence star of spectral class A5 in the constellation of Corona Australis.

HR6749 visual magnitude is 5.77. Because of its faintness, HR6749 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 HR6749. The red arrow shows the motion of HR6749 during the next 1000 years (-0.02 arcmin in Right Ascension and -1.65 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 08m 39s

Declination -43° 25’ 11”

Hour Angle 00h 50m 39s

Sidereal Time 18h 59m 19s

J2000

Right Ascension 18h 06m 49s

Declination -43° 25’ 28”

Galactic Coordinates

Galactic Longitude 349.45°

Galactic Latitude -10.86°

Finder Chart

Loading map...

Finder chart for HR6749.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.77

Class Main-sequence

Absolute magnitude 2.56

Spectral Type A5V

Color Index (B-V) 0.22

Temperature 8011K

The red dot in the diagram below shows where HR6749 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6749. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR6749 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 HR6749 double sysyem:

Main star magnitude 5.77

Secondary star magnitude 5.87

Magnitude difference 0.1

Separation 1.6 arcsec

Distance, Radial Speed, Proper Motion

HR6749 is distant 143.05 light years from the Sun and it is moving towards the Sun at the speed of 6 kilometers per second.

Distance (parsec) 43.88

Distance (light year) 143.05

Radial Speed -6 km/s

Proper Motion RA -0.001 arcsec/y

Proper Motion Dec -0.099"/y

Alternative Designations

Henry Draper Catalogue HD165189

SAO Catalogue SAO228708

Hipparcos Catalogue HIP88726

Durchmusterung Catalogue CD-4312272

Visibility from Your Location

HR6749 is currently not visible from Greenwich, UK

Set Location

Other stars in Corona Australis