HR6981

Above the horizon. Rise: 19:53 | Tran: 3:25 | Set: 10:53

Alt: 45.45° Az: 232.62° Direction: South-West

HR6981 is a variable and multiple main-sequence star of spectral class G2 in the constellation of Hercules.

HR6981 visual magnitude is 6.21. Because of its faintness, HR6981 is visible to the naked eye only from locations with very dark skies, while it is not visible at all from skies affected by light pollution.

DSS2 image of HR6981. The red arrow shows the motion of HR6981 during the next 10000 years (8.17 arcmin in Right Ascension and -11.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 37m 01s

Declination +16° 59’ 52”

Hour Angle 02h 22m 37s

Sidereal Time 20h 59m 38s

J2000

Right Ascension 18h 35m 53s

Declination +16° 58’ 32”

Galactic Coordinates

Galactic Longitude 46.5°

Galactic Latitude 11°

Finder Chart

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Finder chart for HR6981.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.21

Class Main-sequence

Absolute magnitude 3.54

Spectral Type G2V

Color Index (B-V) 0.53

Temperature 6256K

The red dot in the diagram below shows where HR6981 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6981. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR6981 is a visual double star which can be observed with the help of medium or large telescopes. The table below shows key information about the HR6981 double sysyem:

Main star magnitude 6.21

Secondary star magnitude 6.41

Magnitude difference 0.2

Separation 1.8 arcsec

Distance, Radial Speed, Proper Motion

HR6981 is distant 111.53 light years from the Sun and it is moving far from the Sun at the speed of 10 kilometers per second.

Distance (parsec) 34.21

Distance (light year) 111.53

Radial Speed 10 km/s

Proper Motion RA 0.049 arcsec/y

Proper Motion Dec -0.068"/y

Alternative Designations

Henry Draper Catalogue HD171746

SAO Catalogue SAO103886

Hipparcos Catalogue HIP91159

Durchmusterung Catalogue BD+16 3560

General Catalogue of Variable Stars 11085

Aitken Double Star Catalogue ADS11483

Visibility from Your Location

Today's HR6981 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 73.0° RISE 19:53

Max altitude: 55.5° TRANSIT 3:25

Azimuth: 287.0° SET 10:53

Set Location

Other stars in Hercules