HR6891

Altitude: 69.0° Azimuth: 276.7° Direction: West

HR6891 is a giant star in the constellation of Draco.

HR6891 visual magnitude is 5.05. Because of its reltive faintness, HR6891 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 HR6891:

Color of HR6891 ⬤

Magnitude of HR6891 5.05

Class Giant

VISIBILITY RIGHT NOW

HR6891 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 69.0°
Azimuth: 276.7°
Direction: West

Celestial coordinates and finder chart of HR6891

HR6891 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 HR6891 are provided in the following table:

Right Ascension J2000 18h 21m 32s

Declination J2000 +49° 07’ 18”

Galactic Longitude 77.27°

Galactic Latitude 24.87°

Constellation Draco

The simplified sky map below shows the position of HR6891 in the sky:

Simplified finder chart for HR6891.

Visibility of HR6891 from your location

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

HR6891 is circumpolar and transits at 13:36 UTC (altitude: 87.6°)

Digitized Sky Survey image of HR6891

The image below is a photograph of HR6891 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 HR6891 is -0.02 arcsec per year in Right Ascension and 0.053 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR6891. The red arrow shows the motion of HR6891 during the next 10000 years (-3.33 arcmin in Right Ascension and 8.83 arcmin in declination);

Distance of HR6891 from the Sun and relative movement

HR6891 is distant 754.63 light years from the Sun and it is moving far from the Sun at the speed of 14 kilometers per second.

Distance (parsec) 231.48 pc

Distance (light year) 754.63 ly

Heliocentric radial velocity 14 km/s

Proper Motion RA -0.02 arcsec/year

Proper Motion Dec 0.053 arcsec/year

Spectral properties of HR6891

HR6891 belongs to spectral class M2 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -1.77

Spectral Type M2III

Color Index (B-V) 1.66

Temperature of HR6891 3568K

The red dot in the diagram below shows where HR6891 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6891. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6891

Henry Draper Catalogue HD169305

SAO Catalogue SAO47417

Hipparcos Catalogue HIP89981

Durchmusterung Catalogue BD+49 2782

FK5 Catalogue 3458

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In Evidence

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