HR3680

Below the horizon. Never rises today

Alt: -11.94° Az: 155.27° Direction: South-South-East

HR3680 is a double main-sequence star of spectral class B8 in the constellation of Vela.

HR3680 visual magnitude is 6.25. Because of its faintness, HR3680 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 HR3680. The red arrow shows the motion of HR3680 during the next 10000 years (-0.50 arcmin in Right Ascension and -1.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 09h 16m 09s

Declination -45° 39’ 43”

Hour Angle 21h 36m 34s

Sidereal Time 06h 52m 44s

J2000

Right Ascension 09h 15m 14s

Declination -45° 33’ 20”

Galactic Coordinates

Galactic Longitude 268.37°

Galactic Latitude 2.31°

Finder Chart

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Finder chart for HR3680.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.25

Class Main-sequence

Absolute magnitude -2.47

Spectral Type B8V

Color Index (B-V) -0.08

Temperature 11247K

The red dot in the diagram below shows where HR3680 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3680. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR3680 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR3680 double sysyem:

Main star magnitude 6.25

Secondary star magnitude 7.15

Magnitude difference 0.9

Separation 0.8 arcsec

Distance, Radial Speed, Proper Motion

HR3680 is distant 1,811.11 light years from the Sun and it is moving far from the Sun at the speed of 33 kilometers per second.

Distance (parsec) 555.56

Distance (light year) 1,811.11

Radial Speed 33 km/s

Proper Motion RA -0.003 arcsec/y

Proper Motion Dec -0.01"/y

Alternative Designations

Henry Draper Catalogue HD79900

SAO Catalogue SAO220998

Hipparcos Catalogue HIP45413

Durchmusterung Catalogue CD-45 4982

Visibility from Your Location

HR3680 is currently not visible from Greenwich, UK

Set Location

Other stars in Vela