HR7797

Above the horizon. Rise: 10:39 | Tran: 19:56 | Set: 5:16

Alt: 50.32° Az: 258.11° Direction: West-South-West

HR7797 is a star of spectral class K2 in the constellation of Cygnus.

HR7797 visual magnitude is 6.09. Because of its faintness, HR7797 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 HR7797. The red arrow shows the motion of HR7797 during the next 10000 years (0.83 arcmin in Right Ascension and -4.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 20h 23m 37s

Declination +31° 20’ 44”

Hour Angle 03h 08m 05s

Sidereal Time 23h 31m 43s

J2000

Right Ascension 20h 22m 37s

Declination +31° 15’ 54”

Galactic Coordinates

Galactic Longitude 70.81°

Galactic Latitude -3.33°

Finder Chart

Simplified finder chart for HR7797.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.09

Class

Absolute magnitude -0.26

Spectral Type K2

Color Index (B-V) 1.35

Temperature 4034K

The red dot in the diagram below shows where HR7797 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR7797. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR7797 is distant 607.08 light years from the Sun and it is moving far from the Sun at the speed of 12 kilometers per second.

Distance (parsec) 186.22

Distance (light year) 607.08

Radial Speed 12 km/s

Proper Motion RA 0.005 arcsec/y

Proper Motion Dec -0.027"/y

Alternative Designations

Henry Draper Catalogue HD194097

SAO Catalogue SAO69917

Hipparcos Catalogue HIP100486

Durchmusterung Catalogue BD+30 4005

Visibility from Your Location

Today's HR7797 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 58.7° RISE 10:39

Max altitude: 69.9° TRANSIT 19:56

Azimuth: 301.3° SET 5:16

Set Location

Other stars in Cygnus