HR6662

Below the horizon. Rise: 0:43 | Tran: 2:43 | Set: 4:40

Alt: -10.66° Az: 225.97° Direction: South-West

HR6662 is a variable and double main-sequence star of spectral class B9 in the constellation of Scorpius.

HR6662 visual magnitude is 5.96. Because of its faintness, HR6662 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 HR6662. The red arrow shows the motion of HR6662 during the next 10000 years (3.50 arcmin in Right Ascension and -0.50 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 17h 55m 36s

Declination -34° 45’ 20”

Hour Angle 03h 57m 15s

Sidereal Time 21h 52m 51s

J2000

Right Ascension 17h 53m 54s

Declination -34° 45’ 08”

Galactic Coordinates

Galactic Longitude 355.9°

Galactic Latitude -4.49°

Finder Chart

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Finder chart for HR6662.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 5.96

Class Main-sequence

Absolute magnitude -1.49

Spectral Type B9V

Color Index (B-V) -0.01

Temperature 10252K

The red dot in the diagram below shows where HR6662 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6662. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR6662 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 HR6662 double sysyem:

Main star magnitude 5.96

Secondary star magnitude 6.76

Magnitude difference 0.8

Separation 0.3 arcsec

Distance, Radial Speed, Proper Motion

HR6662 is distant 1,009.29 light years from the Sun and it is moving towards the Sun at the speed of 5 kilometers per second.

Distance (parsec) 309.60

Distance (light year) 1,009.29

Radial Speed -5 km/s

Proper Motion RA 0.021 arcsec/y

Proper Motion Dec -0.003"/y

Alternative Designations

Henry Draper Catalogue HD162724

SAO Catalogue SAO209428

Hipparcos Catalogue HIP87616

Durchmusterung Catalogue CD-3412226

General Catalogue of Variable Stars V906 Sco

Visibility from Your Location

Today's HR6662 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 124.8° RISE 0:43

Max altitude: 3.8° TRANSIT 2:43

Azimuth: 235.2° SET 4:40

Set Location

Other stars in Scorpius