HR6825

Below the horizon. Rise: 13:39 | Tran: 17:57 | Set: 22:16

Alt: -42.33° Az: 63.28° Direction: East-North-East

HR6825 is a double hypergiant star of spectral class A0 in the constellation of Sagittarius.

HR6825 visual magnitude is 6.07. Because of its faintness, HR6825 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 HR6825. The red arrow shows the motion of HR6825 during the next 10000 years (2.33 arcmin in Right Ascension and 1.00 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 18h 16m 58s

Declination -18° 39’ 05”

Hour Angle 14h 56m 43s

Sideral Time 09h 13m 41s

J2000

Right Ascension 18h 15m 30s

Declination -18° 39’ 41”

Galactic Coordinates

Galactic Longitude 12.31°

Galactic Latitude -0.82°

Finder Chart

Simplified finder chart for HR6825.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.07

Class Hypergiant

Absolute magnitude -4.33

Spectral Type A0I

Color Index (B-V) 0.2

Temperature 8163K

The red dot in the diagram below shows where HR6825 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6825. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR6825 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 HR6825 double sysyem:

Main star magnitude 6.07

Secondary star magnitude 11.77

Magnitude difference 5.7

Separation 10.1 arcsec

Distance, Radial Speed, Proper Motion

HR6825 is distant 3,927.71 light years from the Sun and it is moving far from the Sun at the speed of 2 kilometers per second.

Distance (parsec) 1,204.82

Distance (light year) 3,927.71

Radial Speed 2 km/s

Proper Motion RA 0.014 arcsec/y

Proper Motion Dec 0.006"/y

Alternative Designations

Henry Draper Catalogue HD167356

SAO Catalogue SAO161227

Hipparcos Catalogue HIP89470

Durchmusterung Catalogue BD-18 4864

Aitken Double Star Catalogue ADS11196

Visibility from Your Location

Today's HR6825 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 108.7° RISE 13:39

Max altitude: 19.9° TRANSIT 17:57

Azimuth: 251.3° SET 22:16

Set Location

Other stars in Sagittarius