HR6797

Below the horizon. Rise: 21:17 | Tran: 3:34 | Set: 9:48

Alt: -20.43° Az: 304.15° Direction: North-West

HR6797 is a multiple main-sequence star of spectral class F5 in the constellation of Ophiuchus.

HR6797 visual magnitude is 5.69. Because of its faintness, HR6797 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 HR6797. The red arrow shows the motion of HR6797 during the next 1000 years (0.37 arcmin in Right Ascension and -3.20 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 11m 10s

Declination +03° 07’ 34”

Hour Angle 08h 36m 10s

Sidereal Time 02h 47m 20s

J2000

Right Ascension 18h 09m 53s

Declination +03° 07’ 10”

Galactic Coordinates

Galactic Longitude 30.97°

Galactic Latitude 10.66°

Finder Chart

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Finder chart for HR6797.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.69

Class Main-sequence

Absolute magnitude 2.33

Spectral Type F5V

Color Index (B-V) 0.47

Temperature 6528K

The red dot in the diagram below shows where HR6797 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6797. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR6797 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 HR6797 double sysyem:

Main star magnitude 5.69

Secondary star magnitude 10.89

Magnitude difference 5.2

Separation 103.5 arcsec

Distance, Radial Speed, Proper Motion

HR6797 is distant 153.05 light years from the Sun and it is moving towards the Sun at the speed of 14 kilometers per second.

Distance (parsec) 46.95

Distance (light year) 153.05

Radial Speed -14 km/s

Proper Motion RA 0.022 arcsec/y

Proper Motion Dec -0.192"/y

Alternative Designations

Henry Draper Catalogue HD166285

SAO Catalogue SAO123198

Hipparcos Catalogue HIP89000

Durchmusterung Catalogue BD+03 3613

Aitken Double Star Catalogue ADS11113

Visibility from Your Location

Today's HR6797 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 86.9° RISE 21:17

Max altitude: 41.6° TRANSIT 3:34

Azimuth: 273.1° SET 9:48

Set Location

Other stars in Ophiuchus