HR3689

Above the horizon. Rise: 16:53 | Tran: 23:50 | Set: 6:50

Alt: 8.46° Az: 277.70° Direction: West

HR3689 is a double sub-giant star of spectral class A2 in the constellation of Cancer.

HR3689 visual magnitude is 6.41. Because of its faintness, HR3689 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 HR3689. The red arrow shows the motion of HR3689 during the next 10000 years (-2.00 arcmin in Right Ascension and -0.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 09h 19m 13s

Declination +11° 23’ 40”

Hour Angle 06h 02m 49s

Sidereal Time 15h 22m 02s

J2000

Right Ascension 09h 17m 51s

Declination +11° 30’ 03”

Galactic Coordinates

Galactic Longitude 219.39°

Galactic Latitude 37.66°

Finder Chart

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Finder chart for HR3689.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.41

Class Sub-giant

Absolute magnitude 0.31

Spectral Type A2IV

Color Index (B-V) 0.07

Temperature 9328K

The red dot in the diagram below shows where HR3689 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR3689. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR3689 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 HR3689 double sysyem:

Main star magnitude 6.41

Secondary star magnitude 12.31

Magnitude difference 5.9

Separation 21.8 arcsec

Distance, Radial Speed, Proper Motion

HR3689 is distant 541.53 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

Distance (parsec) 166.11

Distance (light year) 541.53

Radial Speed -7 km/s

Proper Motion RA -0.012 arcsec/y

Proper Motion Dec -0.003"/y

Alternative Designations

Henry Draper Catalogue HD80064

SAO Catalogue SAO98476

Hipparcos Catalogue HIP45614

Durchmusterung Catalogue BD+12 2009

Aitken Double Star Catalogue ADS7285

Visibility from Your Location

Today's HR3689 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 78.6° RISE 16:53

Max altitude: 49.9° TRANSIT 23:50

Azimuth: 281.4° SET 6:50

Set Location

Other stars in Cancer