HR6980

Altitude: -6.5° Azimuth: 37.7° Direction: North-East

HR6980 is a double giant star in the constellation of Hercules.

HR6980 visual magnitude is 5.61. Because of its reltive faintness, HR6980 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 HR6980:

Color of HR6980 ⬤

Magnitude of HR6980 5.61

Class Giant

VISIBILITY RIGHT NOW

HR6980 is below the horizon from Greenwich, United Kingdom edit_location_alt.

Altitude: -6.5°
Azimuth: 37.7°
Direction: North-East

Celestial coordinates and finder chart of HR6980

HR6980 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 HR6980 are provided in the following table:

Right Ascension J2000 18h 35m 30s

Declination J2000 +23° 36’ 20”

Galactic Longitude 52.64°

Galactic Latitude 13.84°

Constellation Hercules

The simplified sky map below shows the position of HR6980 in the sky:

Simplified finder chart for HR6980.

Visibility of HR6980 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 HR6980 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: 66.4° RISE 10:36

Max altitude: 62.1° TRANSIT 18:46

Azimuth: 293.6° SET 3:01

Digitized Sky Survey image of HR6980

The image below is a photograph of HR6980 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 HR6980 is 0.004 arcsec per year in Right Ascension and 0.005 arcsec per year in Declination and the associated displacement for the next 100000 years is represented with the red arrow.

DSS2 image of HR6980. The red arrow shows the motion of HR6980 during the next 100000 years (6.67 arcmin in Right Ascension and 8.33 arcmin in declination);

Distance of HR6980 from the Sun and relative movement

HR6980 is distant 486.57 light years from the Sun and it is moving far from the Sun at the speed of 16 kilometers per second.

Distance (parsec) 149.25 pc

Distance (light year) 486.57 ly

Heliocentric radial velocity 16 km/s

Proper Motion RA 0.004 arcsec/year

Proper Motion Dec 0.005 arcsec/year

Spectral properties of HR6980

HR6980 belongs to spectral class G9 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude -0.26

Spectral Type G9III

Color Index (B-V) 1

Temperature of HR6980 4743K

The red dot in the diagram below shows where HR6980 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6980. Attribution: Richard Powell / CC BY-SA

HR6980 star system properties

HR6980 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR6980 double sysyem:

Main star magnitude 5.61

Secondary star magnitude 5.81

Magnitude difference 0.2

Separation 0.6 arcsec

Alternative designations of HR6980

Henry Draper Catalogue HD171745

SAO Catalogue SAO86224

Hipparcos Catalogue HIP91139

Durchmusterung Catalogue BD+23 3385

Aitken Double Star Catalogue ADS11479

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In Evidence

Other stars in Hercules