HR6944

Below the horizon. Rise: 22:41 | Tran: 3:05 | Set: 7:25

Alt: -56.89° Az: 358.08° Direction: North

HR6944 is a double hypergiant star of spectral class A0 in the constellation of Sagittarius.

HR6944 visual magnitude is 5.14. Because of its faintness, HR6944 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 HR6944. The red arrow shows the motion of HR6944 during the next 10000 years (-0.50 arcmin in Right Ascension and -4.17 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 32m 55s

Declination -18° 22’ 58”

Hour Angle 11h 55m 35s

Sidereal Time 06h 28m 30s

J2000

Right Ascension 18h 31m 26s

Declination -18° 24’ 10”

Galactic Coordinates

Galactic Longitude 14.3°

Galactic Latitude -4.03°

Finder Chart

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Finder chart for HR6944.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.14

Class Hypergiant

Absolute magnitude 1.06

Spectral Type A0V

Color Index (B-V) 0

Temperature 10125K

The red dot in the diagram below shows where HR6944 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6944. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR6944 is a visual double star which can be observed only with the help of very large telescopes. The table below shows key information about the HR6944 double sysyem:

Main star magnitude 5.14

Secondary star magnitude 14.04

Magnitude difference 8.9

Separation 25.2 arcsec

Distance, Radial Speed, Proper Motion

HR6944 is distant 213.07 light years from the Sun and it is moving towards the Sun at the speed of 37 kilometers per second.

Distance (parsec) 65.36

Distance (light year) 213.07

Radial Speed -37 km/s

Proper Motion RA -0.003 arcsec/y

Proper Motion Dec -0.025"/y

Alternative Designations

Henry Draper Catalogue HD170680

SAO Catalogue SAO161564

Hipparcos Catalogue HIP90806

Durchmusterung Catalogue BD-18 4988

Aitken Double Star Catalogue ADS11411

Visibility from Your Location

Today's HR6944 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 108.4° RISE 22:41

Max altitude: 20.1° TRANSIT 3:05

Azimuth: 251.6° SET 7:25

Set Location

Other stars in Sagittarius