HR7785

Below the horizon. Never rises today

Alt: -52.80° Az: 165.26° Direction: South

HR7785 is a double bright giant star of spectral class G6 in the constellation of Octans.

HR7785 visual magnitude is 5.77. Because of its faintness, HR7785 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 HR7785. The red arrow shows the motion of HR7785 during the next 10000 years (-0.67 arcmin in Right Ascension and -3.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 37m 21s

Declination -80° 52’ 33”

Hour Angle 17h 03m 39s

Sidereal Time 13h 41m 01s

J2000

Right Ascension 20h 33m 17s

Declination -80° 57’ 54”

Galactic Coordinates

Galactic Longitude 312.42°

Galactic Latitude -30.69°

Finder Chart

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Finder chart for HR7785.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.77

Class Bright giant

Absolute magnitude -0.27

Spectral Type G6II

Color Index (B-V) 1.14

Temperature 4430K

The red dot in the diagram below shows where HR7785 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7785. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7785 is a visual double star which can be observed with the help of small or medium telescopes. The table below shows key information about the HR7785 double sysyem:

Main star magnitude 5.77

Secondary star magnitude 11.47

Magnitude difference 5.7

Separation 26.8 arcsec

Distance, Radial Speed, Proper Motion

HR7785 is distant 526.66 light years from the Sun and it is moving far from the Sun at the speed of 9 kilometers per second.

Distance (parsec) 161.55

Distance (light year) 526.66

Radial Speed 9 km/s

Proper Motion RA -0.004 arcsec/y

Proper Motion Dec -0.019"/y

Alternative Designations

Henry Draper Catalogue HD193721

SAO Catalogue SAO258861

Hipparcos Catalogue HIP101427

Durchmusterung Catalogue CP-81 901

FK5 Catalogue 3994

Visibility from Your Location

HR7785 is currently not visible from Greenwich, UK

Set Location

Other stars in Octans