HR6990

Below the horizon. Rise: 0:17 | Tran: 4:07 | Set: 7:54

Alt: -29.91° Az: 90.88° Direction: East

HR6990 is a giant star of spectral class B8 in the constellation of Sagittarius.

HR6990 visual magnitude is 5.81. Because of its faintness, HR6990 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 HR6990. The red arrow shows the motion of HR6990 during the next 10000 years (-0.50 arcmin in Right Ascension and -3.33 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 40m 03s

Declination -23° 28’ 51”

Hour Angle 16h 43m 36s

Sidereal Time 11h 23m 39s

J2000

Right Ascension 18h 38m 30s

Declination -23° 30’ 17”

Galactic Coordinates

Galactic Longitude 10.47°

Galactic Latitude -7.81°

Finder Chart

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Finder chart for HR6990.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.81

Class Giant

Absolute magnitude 0.04

Spectral Type B8III

Color Index (B-V) 0.02

Temperature 9882K

The red dot in the diagram below shows where HR6990 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6990. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR6990 is distant 465.05 light years from the Sun and it is moving towards the Sun at the speed of 33 kilometers per second.

Distance (parsec) 142.65

Distance (light year) 465.05

Radial Speed -33 km/s

Proper Motion RA -0.003 arcsec/y

Proper Motion Dec -0.02"/y

Alternative Designations

Henry Draper Catalogue HD171961

SAO Catalogue SAO187080

Hipparcos Catalogue HIP91405

Durchmusterung Catalogue CD-2314572

Visibility from Your Location

Today's HR6990 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 113.5° RISE 0:17

Max altitude: 15.0° TRANSIT 4:07

Azimuth: 246.5° SET 7:54

Set Location

Other stars in Sagittarius