HR6803

Above the horizon. Rise: 19:07 | Tran: 2:36 | Set: 10:00

Alt: 54.02° Az: 197.28° Direction: South-South-West

HR6803 is a variable and double main-sequence star of spectral class B9 in the constellation of Hercules.

HR6803 visual magnitude is 6.09. Because of its faintness, HR6803 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 HR6803. The red arrow shows the motion of HR6803 during the next 100000 years (-6.67 arcmin in Right Ascension and -11.67 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 11m 16s

Declination +16° 28’ 59”

Hour Angle 00h 41m 57s

Sidereal Time 18h 53m 13s

J2000

Right Ascension 18h 10m 08s

Declination +16° 28’ 36”

Galactic Coordinates

Galactic Longitude 43.39°

Galactic Latitude 16.4°

Finder Chart

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Finder chart for HR6803.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.09

Class Main-sequence

Absolute magnitude -2.23

Spectral Type B9V

Color Index (B-V)

Temperature 10125K

The red dot in the diagram below shows where HR6803 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6803. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR6803 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR6803 double sysyem:

Main star magnitude 6.09

Secondary star magnitude 6.89

Magnitude difference 0.8

Separation 1.2 arcsec

Distance, Radial Speed, Proper Motion

HR6803 is distant 1,502.30 light years from the Sun and it is moving towards the Sun at the speed of 13 kilometers per second.

Distance (parsec) 460.83

Distance (light year) 1,502.30

Radial Speed -13 km/s

Proper Motion RA -0.004 arcsec/y

Proper Motion Dec -0.007"/y

Alternative Designations

Henry Draper Catalogue HD166479

SAO Catalogue SAO103443

Hipparcos Catalogue HIP89023

Durchmusterung Catalogue BD+16 3390

General Catalogue of Variable Stars 10311

Aitken Double Star Catalogue ADS11123

Visibility from Your Location

Today's HR6803 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 73.5° RISE 19:07

Max altitude: 55.0° TRANSIT 2:36

Azimuth: 286.5° SET 10:00

Set Location

Other stars in Hercules