HR6663

Below the horizon. Rise: 22:50 | Tran: 0:46 | Set: 2:45

Alt: -52.79° Az: 82.07° Direction: South

HR6663 is a variable star of spectral class A in the constellation of Scorpius.

HR6663 visual magnitude is 6.42. Because of its faintness, HR6663 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 HR6663. The red arrow shows the motion of HR6663 during the next 10000 years (1.17 arcmin in Right Ascension and -3.83 arcmin in declination);

Celestial Coordinates

Apparent

Right Ascension 17h 55m 40s

Declination -34° 50’ 05”

Hour Angle 15h 07m 26s

Sidereal Time 09h 03m 06s

J2000

Right Ascension 17h 53m 58s

Declination -34° 49’ 54”

Galactic Coordinates

Galactic Longitude 355.84°

Galactic Latitude -4.54°

Finder Chart

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Finder chart for HR6663.

Magnitude, Color, Spectral Class

Color ⬤

Magnitude 6.42

Class

HR6663 is also a Si chemically peculiar star.

Absolute magnitude -0.95

Spectral Type A

Color Index (B-V) 0.01

Temperature 10002K

The red dot in the diagram below shows where HR6663 is situated in the Hertzsprung–Russell diagram.

H-R diagram showing the position of HR6663. Attribution: Richard Powell / CC BY-SA

Distance, Radial Speed, Proper Motion

HR6663 is distant 973.13 light years from the Sun and it is moving towards the Sun at the speed of 17 kilometers per second.

Distance (parsec) 298.51

Distance (light year) 973.13

Radial Speed -17 km/s

Proper Motion RA 0.007 arcsec/y

Proper Motion Dec -0.023"/y

Alternative Designations

Henry Draper Catalogue HD162725

SAO Catalogue SAO209430

Hipparcos Catalogue HIP87624

Durchmusterung Catalogue CD-3412228

General Catalogue of Variable Stars V951 Sco

Visibility from Your Location

Today's HR6663 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 124.8° RISE 22:50

Max altitude: 3.7° TRANSIT 0:46

Azimuth: 235.2° SET 2:45

Set Location

Other stars in Scorpius