HR6806

HR6806 is a variable main-sequence star in the constellation of Hercules.

HR6806 visual magnitude is 6.4. Because of its reltive faintness, HR6806 should be visible only from locations with dark skyes, while it is not visible at all from skyes affected by light pollution.

The table below summarizes the key facts about HR6806:

Color of HR6806 ⬤

Magnitude of HR6806 6.4

Class Main-sequence

VISIBILITY RIGHT NOW HR6806 is above the horizon from Greenwich, United Kingdom [change]. Altitude: 10°.

Celestial coordinates and finder chart of HR6806

HR6806 is situated north of the celestial equator, as such, it is more easily visible from the northern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6806 are provided in the following table:

Right Ascension J2000 18h 09m 37s

Declination J2000 +38° 27’ 27”

Galactic Longitude 65.34°

Galactic Latitude 24.21°

Constellation Hercules

The simplified sky map below shows the position of HR6806 in the sky:

Simplified finder chart for HR6806.

Visibility of HR6806 from your location

Location: Greenwich, United Kingdom [change]
Latitude: 51° 28’ 47” N
Longitude: 0° 00’ 00” E
Timezone: Europe/London

Today's HR6806 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 51.5° RISE 19:03

Max altitude: 77.0° TRANSIT 6:48

Azimuth: 308.5° SET 18:28

RIGHT NOW HR6806 is above the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6806

The image below is a photograph of HR6806 from the Digitized Sky Survey 2 (DSS2 - see the credits section) taken in the red channel. The area of sky represented in the image is 0.5x0.5 degrees (30x30 arcmins). The proper motion of HR6806 is -0.303 arcsec per year in Right Ascension and -0.472 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR6806. The red arrow shows the motion of HR6806 during the next 1000 years (-5.05 arcmin in Right Ascension and -7.87 arcmin in declination);

Distance of HR6806 from the Sun and relative movement

HR6806 is distant 36.18 light years from the Sun and it is moving towards the Sun at the speed of 19 kilometers per second.

Distance (parsec) 11.10 pc

Distance (light year) 36.18 ly

Heliocentric radial velocity -19 km/s

Proper Motion RA -0.303 arcsec/year

Proper Motion Dec -0.472 arcsec/year

Spectral properties of HR6806

HR6806 belongs to spectral class K2 and has a luminosity class of V corresponding to a main-sequence star.

Absolute magnitude 6.17

Spectral Type K2V

Color Index (B-V) 0.87

Temperature of HR6806 5078K

The red dot in the diagram below shows where HR6806 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6806. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6806

Henry Draper Catalogue HD166620

SAO Catalogue SAO66700

Hipparcos Catalogue HIP88972

Durchmusterung Catalogue BD+38 3095

Gliese Catalogue Gl 706

General Catalogue of Variable Stars 10316

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In Evidence

Other stars in Hercules