HR6941

Above the horizon. Rise: 3:05 | Tran: 9:24 | Set: 15:42

Alt: 30.49° Az: 232.62° Direction: South-West

HR6941 is a multiple main-sequence star of spectral class B2 in the constellation of Ophiuchus.

HR6941 visual magnitude is 6.69. Because of its faintness, HR6941 is not visible to the naked eye.

DSS2 image of HR6941. The red arrow shows the motion of HR6941 during the next 100000 years (0.00 arcmin in Right Ascension and -15.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 31m 19s

Declination +04° 05’ 02”

Hour Angle 02h 53m 24s

Sidereal Time 21h 24m 44s

J2000

Right Ascension 18h 30m 05s

Declination +04° 03’ 55”

Galactic Coordinates

Galactic Longitude 34.13°

Galactic Latitude 6.6°

Finder Chart

Loading map...

Finder chart for HR6941.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.69

Class Main-sequence

Absolute magnitude -2.97

Spectral Type B2V

Color Index (B-V) 0.11

Temperature 8932K

The red dot in the diagram below shows where HR6941 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6941. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR6941 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 HR6941 double sysyem:

Main star magnitude 6.69

Secondary star magnitude 10.89

Magnitude difference 4.2

Separation 20.1 arcsec

Distance, Radial Speed, Proper Motion

HR6941 is distant 2,786.32 light years from the Sun and it is moving towards the Sun at the speed of 22 kilometers per second.

Distance (parsec) 854.70

Distance (light year) 2,786.32

Radial Speed -22 km/s

Proper Motion Dec -0.009"/y

Alternative Designations

Henry Draper Catalogue HD170580

SAO Catalogue SAO123571

Hipparcos Catalogue HIP90676

Durchmusterung Catalogue BD+03 3727

FK5 Catalogue 3469

Aitken Double Star Catalogue ADS11399

Visibility from Your Location

Today's HR6941 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 85.9° RISE 3:05

Max altitude: 42.6° TRANSIT 9:24

Azimuth: 274.1° SET 15:42

Set Location

Other stars in Ophiuchus