HR7931

Above the horizon. Rise: 2:47 | Tran: 6:06 | Set: 9:24

Alt: 5.64° Az: 149.36° Direction: South-South-East

HR7931 is a giant star of spectral class G8 in the constellation of Capricornus.

HR7931 visual magnitude is 6.5. Because of its faintness, HR7931 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 HR7931. The red arrow shows the motion of HR7931 during the next 100000 years (13.33 arcmin in Right Ascension and 10.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 46m 44s

Declination -27° 09’ 13”

Hour Angle 21h 40m 59s

Sidereal Time 18h 27m 43s

J2000

Right Ascension 20h 45m 13s

Declination -27° 14’ 49”

Galactic Coordinates

Galactic Longitude 17.6°

Galactic Latitude -35.85°

Finder Chart

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Finder chart for HR7931.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.5

Class Giant

Absolute magnitude 0.70

Spectral Type G8III

Color Index (B-V) 0.94

Temperature 4892K

The red dot in the diagram below shows where HR7931 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7931. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7931 is distant 470.42 light years from the Sun and it is moving towards the Sun at the speed of 3 kilometers per second.

Distance (parsec) 144.30

Distance (light year) 470.42

Radial Speed -3 km/s

Proper Motion RA 0.008 arcsec/y

Proper Motion Dec 0.006"/y

Alternative Designations

Henry Draper Catalogue HD197540

SAO Catalogue SAO189641

Hipparcos Catalogue HIP102414

Durchmusterung Catalogue CD-2715014

Visibility from Your Location

Today's HR7931 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 117.2° RISE 2:47

Max altitude: 11.4° TRANSIT 6:06

Azimuth: 242.8° SET 9:24

Set Location

Other stars in Capricornus