HR5831

Above the horizon. Rise: 17:58 | Tran: 1:01 | Set: 8:01

Alt: 1.77° Az: 287.12° Direction: West-North-West

HR5831 is a double giant star of spectral class G7 in the constellation of Serpens.

HR5831 visual magnitude is 6.25. Because of its faintness, HR5831 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 HR5831. The red arrow shows the motion of HR5831 during the next 100000 years (-11.67 arcmin in Right Ascension and -11.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 41m 22s

Declination +11° 58’ 20”

Hour Angle 06h 49m 48s

Sidereal Time 22h 31m 10s

J2000

Right Ascension 15h 40m 10s

Declination +12° 03’ 11”

Galactic Coordinates

Galactic Longitude 20.52°

Galactic Latitude 47.74°

Finder Chart

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Finder chart for HR5831.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.25

Class Giant

Absolute magnitude -1.31

Spectral Type G7III

Color Index (B-V) 0.94

Temperature 4892K

The red dot in the diagram below shows where HR5831 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR5831. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR5831 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 HR5831 double sysyem:

Main star magnitude 6.25

Secondary star magnitude 10.45

Magnitude difference 4.2

Separation 16.5 arcsec

Distance, Radial Speed, Proper Motion

HR5831 is distant 1,058.44 light years from the Sun and it is moving towards the Sun at the speed of 21 kilometers per second.

Distance (parsec) 324.68

Distance (light year) 1,058.44

Radial Speed -21 km/s

Proper Motion RA -0.007 arcsec/y

Proper Motion Dec -0.007"/y

Alternative Designations

Henry Draper Catalogue HD139862

SAO Catalogue SAO101673

Hipparcos Catalogue HIP76733

Durchmusterung Catalogue BD+12 2875

Aitken Double Star Catalogue ADS9740

Visibility from Your Location

Today's HR5831 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 78.0° RISE 17:58

Max altitude: 50.5° TRANSIT 1:01

Azimuth: 282.0° SET 8:01

Set Location

Other stars in Serpens