HR5680

Below the horizon. Never rises today

Alt: -28.91° Az: 154.69° Direction: South

HR5680 is a multiple giant star of spectral class O7 in the constellation of Circinus.

HR5680 visual magnitude is 5.46. Because of its faintness, HR5680 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 HR5680. The red arrow shows the motion of HR5680 during the next 10000 years (-4.50 arcmin in Right Ascension and -0.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 20m 53s

Declination -60° 35’ 15”

Hour Angle 20h 41m 27s

Sidereal Time 12h 02m 20s

J2000

Right Ascension 15h 18m 48s

Declination -60° 29’ 47”

Galactic Coordinates

Galactic Longitude 320.13°

Galactic Latitude -2.64°

Finder Chart

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Finder chart for HR5680.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.46

Class Giant

Absolute magnitude -13.03

Spectral Type O7III

Color Index (B-V) -0.1

Temperature 11573K

The red dot in the diagram below shows where HR5680 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR5680. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR5680 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 HR5680 double sysyem:

Main star magnitude 5.46

Secondary star magnitude 10.96

Magnitude difference 5.5

Separation 44.5 arcsec

Distance, Radial Speed, Proper Motion

HR5680 is distant 163,000.00 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

Distance (parsec) 50,000.00

Distance (light year) 163,000.00

Radial Speed -3 km/s

Proper Motion RA -0.027 arcsec/y

Proper Motion Dec -0.002"/y

Alternative Designations

Henry Draper Catalogue HD135591

SAO Catalogue SAO253101

Hipparcos Catalogue HIP74941

Durchmusterung Catalogue CP-60 5720

Visibility from Your Location

HR5680 is currently not visible from Greenwich, UK

Set Location

Other stars in Circinus