HR6687

HR6687 is a giant star in the constellation of Hercules.

HR6687 visual magnitude is 5.58. Because of its reltive faintness, HR6687 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 HR6687:

Color of HR6687 ⬤

Magnitude of HR6687 5.58

Class Giant

VISIBILITY RIGHT NOW HR6687 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR6687

HR6687 is situated close to the celestial equator, as such, it is at least partly visible from both hemispheres in certain times of the year. Celestial coordinates for the J2000 equinox as well as galactic coordinates of HR6687 are provided in the following table:

Right Ascension J2000 17h 55m 50s

Declination J2000 +22° 27’ 51”

Galactic Longitude 47.84°

Galactic Latitude 21.83°

Constellation Hercules

The simplified sky map below shows the position of HR6687 in the sky:

Simplified finder chart for HR6687.

Visibility of HR6687 from your location

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

Today's HR6687 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 67.5° RISE 21:43

Max altitude: 61.0° TRANSIT 5:50

Azimuth: 292.5° SET 13:52

RIGHT NOW HR6687 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6687

The image below is a photograph of HR6687 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 HR6687 is -0.002 arcsec per year in Right Ascension and 0.002 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR6687. The red arrow shows the motion of HR6687 during the next 100000 years (-3.33 arcmin in Right Ascension and 3.33 arcmin in declination);

Distance of HR6687 from the Sun and relative movement

HR6687 is distant 488.76 light years from the Sun and it is moving towards the Sun at the speed of 44 kilometers per second.

Distance (parsec) 149.93 pc

Distance (light year) 488.76 ly

Heliocentric radial velocity -44 km/s

Proper Motion RA -0.002 arcsec/year

Proper Motion Dec 0.002 arcsec/year

Spectral properties of HR6687

HR6687 belongs to spectral class K3

Absolute magnitude -0.30

Spectral Type K3

Color Index (B-V) 1.24

Temperature of HR6687 4232K

The red dot in the diagram below shows where HR6687 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6687. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6687

Henry Draper Catalogue HD163547

SAO Catalogue SAO85552

Hipparcos Catalogue HIP87777

Durchmusterung Catalogue BD+22 3237

FK5 Catalogue 3427

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In Evidence

Other stars in Hercules