HR7691

Below the horizon. Never rises today

Alt: -70.89° Az: 120.55° Direction: East-South-East

HR7691 is a double main-sequence star of spectral class B7 in the constellation of Pavo.

HR7691 visual magnitude is 6.37. Because of its faintness, HR7691 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 HR7691. The red arrow shows the motion of HR7691 during the next 10000 years (-0.33 arcmin in Right Ascension and -4.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 13m 06s

Declination -57° 26’ 55”

Hour Angle 14h 06m 22s

Sideral Time 10h 19m 29s

J2000

Right Ascension 20h 11m 07s

Declination -57° 31’ 26”

Galactic Coordinates

Galactic Longitude 340.04°

Galactic Latitude -33.2°

Finder Chart

Simplified finder chart for HR7691.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.37

Class Main-sequence

Absolute magnitude 0.66

Spectral Type B7V

Color Index (B-V) 0.06

Temperature 9434K

The red dot in the diagram below shows where HR7691 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7691. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR7691 is a visual double star which can be observed with the help of large telescopes. The table below shows key information about the HR7691 double sysyem:

Main star magnitude 6.37

Secondary star magnitude 6.97

Magnitude difference 0.6

Separation 0.8 arcsec

Distance, Radial Speed, Proper Motion

HR7691 is distant 452.15 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

Distance (parsec) 138.70

Distance (light year) 452.15

Radial Speed -7 km/s

Proper Motion RA -0.002 arcsec/y

Proper Motion Dec -0.025"/y

Alternative Designations

Henry Draper Catalogue HD191095

SAO Catalogue SAO246470

Hipparcos Catalogue HIP99453

Durchmusterung Catalogue CP-57 9622

Visibility from Your Location

HR7691 is currently not visible from Greenwich, UK

Set Location

Other stars in Pavo