HR6985

HR6985 is a giant star in the constellation of Ophiuchus.

HR6985 visual magnitude is 5.39. Because of its reltive faintness, HR6985 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 HR6985:

Color of HR6985 ⬤

Magnitude of HR6985 5.39

Class Giant

VISIBILITY RIGHT NOW HR6985 is below the horizon from Greenwich, United Kingdom [change].

Celestial coordinates and finder chart of HR6985

HR6985 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 HR6985 are provided in the following table:

Right Ascension J2000 18h 36m 27s

Declination J2000 +09° 07’ 21”

Galactic Longitude 39.4°

Galactic Latitude 7.45°

Constellation Ophiuchus

The simplified sky map below shows the position of HR6985 in the sky:

Simplified finder chart for HR6985.

Visibility of HR6985 from your location

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

Today's HR6985 rise, transit and set times from Greenwich, United Kingdom [change] are the following (all times relative to the local timezone Europe/London):

Azimuth: 80.9° RISE 23:38

Max altitude: 47.6° TRANSIT 6:26

Azimuth: 279.1° SET 13:10

RIGHT NOW HR6985 is below the horizon from Greenwich, United Kingdom

Digitized Sky Survey image of HR6985

The image below is a photograph of HR6985 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 HR6985 is -0.002 arcsec per year in Right Ascension and -0.129 arcsec per year in Declination and the associated displacement for the next 1000 years is represented with the red arrow.

DSS2 image of HR6985. The red arrow shows the motion of HR6985 during the next 1000 years (-0.03 arcmin in Right Ascension and -2.15 arcmin in declination);

Distance of HR6985 from the Sun and relative movement

HR6985 is distant 126.60 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

Distance (parsec) 38.83 pc

Distance (light year) 126.60 ly

Heliocentric radial velocity -22 km/s

Proper Motion RA -0.002 arcsec/year

Proper Motion Dec -0.129 arcsec/year

Spectral properties of HR6985

HR6985 belongs to spectral class F5 and has a luminosity class of III corresponding to a giant star.

Absolute magnitude 2.44

Spectral Type F5III

Color Index (B-V) 0.37

Temperature of HR6985 7044K

The red dot in the diagram below shows where HR6985 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6985. Attribution: Richard Powell / CC BY-SA

Alternative designations of HR6985

Henry Draper Catalogue HD171802

SAO Catalogue SAO123690

Hipparcos Catalogue HIP91217

Durchmusterung Catalogue BD+09 3783

FK5 Catalogue 1484

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In Evidence

Other stars in Ophiuchus