HR6864

Altitude: 8.9° Azimuth: 166.3° Direction: South-South-East

HR6864 is a giant star in the constellation of Sagittarius.

HR6864 visual magnitude is 6.16. Because of its reltive faintness, HR6864 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 HR6864:

Color of HR6864 ⬤

Magnitude of HR6864 6.16

Class Giant

VISIBILITY RIGHT NOW

HR6864 is above the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: 8.9°
Azimuth: 166.3°
Direction: South-South-East

Celestial coordinates and finder chart of HR6864

HR6864 is situated south of the celestial equator, as such, it is more easily visible from the southern hemisphere. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6864 are provided in the following table:

Right Ascension J2000 18h 22m 00s

Declination J2000 -28° 25’ 47”

Galactic Longitude 4.35°

Galactic Latitude -6.71°

Constellation Sagittarius

The simplified sky map below shows the position of HR6864 in the sky:

Simplified finder chart for HR6864.

Visibility of HR6864 from your location

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

Today's HR6864 rise, transit and set times from Greenwich, United Kingdom edit_location_alt are the following (all times relative to the local timezone Europe/London):

Azimuth: 118.4° RISE 16:01

Max altitude: 10.1° TRANSIT 19:08

Azimuth: 241.6° SET 22:16

Digitized Sky Survey image of HR6864

The image below is a photograph of HR6864 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 HR6864 is 0.014 arcsec per year in Right Ascension and -0.001 arcsec per year in Declination and the associated displacement for the next 10000 years is represented with the red arrow.

DSS2 image of HR6864. The red arrow shows the motion of HR6864 during the next 10000 years (2.33 arcmin in Right Ascension and -0.17 arcmin in declination);

Distance of HR6864 from the Sun and relative movement

HR6864 is distant 474.53 light years from the Sun and it is moving towards the Sun at the speed of 12 kilometers per second.

Distance (parsec) 145.56 pc

Distance (light year) 474.53 ly

Heliocentric radial velocity -12 km/s

Proper Motion RA 0.014 arcsec/year

Proper Motion Dec -0.001 arcsec/year

Spectral properties of HR6864

HR6864 belongs to spectral class A3 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 0.34

Spectral Type A3III

Color Index (B-V) 0.26

Temperature of HR6864 7726K

The red dot in the diagram below shows where HR6864 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6864. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6864

Henry Draper Catalogue HD168646

SAO Catalogue SAO186704

Hipparcos Catalogue HIP90012

Durchmusterung Catalogue CD-2814495

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In Evidence

Other stars in Sagittarius