HR5816

Below the horizon. Rise: 17:17 | Tran: 22:30 | Set: 3:47

Alt: -23.17° Az: 74.44° Direction: South-West

HR5816 is a double main-sequence star of spectral class F6 in the constellation of Libra.

HR5816 visual magnitude is 6.48. Because of its faintness, HR5816 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 HR5816. The red arrow shows the motion of HR5816 during the next 10000 years (4.67 arcmin in Right Ascension and -3.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 15h 40m 02s

Declination -08° 52’ 22”

Hour Angle 16h 14m 45s

Sidereal Time 07h 54m 47s

J2000

Right Ascension 15h 38m 40s

Declination -08° 47’ 27”

Galactic Coordinates

Galactic Longitude 357.32°

Galactic Latitude 35.87°

Finder Chart

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Finder chart for HR5816.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.48

Class Main-sequence

Absolute magnitude 4.50

Spectral Type F6V

Color Index (B-V) 0.52

Temperature 6300K

The red dot in the diagram below shows where HR5816 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR5816. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR5816 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 HR5816 double sysyem:

Main star magnitude 6.48

Secondary star magnitude 6.68

Magnitude difference 0.2

Separation 11.9 arcsec

Distance, Radial Speed, Proper Motion

HR5816 is distant 81.11 light years from the Sun

Distance (parsec) 24.88

Distance (light year) 81.11

Proper Motion RA 0.028 arcsec/y

Proper Motion Dec -0.018"/y

Alternative Designations

Henry Draper Catalogue HD139461

SAO Catalogue SAO140672

Hipparcos Catalogue HIP76603

Durchmusterung Catalogue BD-08 4032

Aitken Double Star Catalogue ADS9728

Visibility from Your Location

Today's HR5816 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 98.9° RISE 17:17

Max altitude: 29.6° TRANSIT 22:30

Azimuth: 261.1° SET 3:47

Set Location

Other stars in Libra