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public  Greenwich, UK Greenwich, UK  ⓘ
TimezoneEurope/London
Sunrise: 5:03 
Transit: 12:56 
Sunset: 20:50
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All Constellations » Scorpius » 

HR6658

Above the horizon.  Rise: 1:12 | Tran: 3:07 | Set: 5:01
Alt: 3.44°   Az: 174.83°   Direction: South

HR6658 is a double giant star of spectral class K3 in the constellation of Scorpius.

HR6658 visual magnitude is 5.6. Because of its faintness, HR6658 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.

Image of HR6658 star
DSS2 image of HR6658. The red arrow shows the motion of HR6658 during the next 10000 years (-1.50 arcmin in Right Ascension and -1.67 arcmin in declination);

Celestial Coordinates

Apparent

17h 55m 04s
-34° 53’ 55”
23h 34m 49s
17h 29m 54s

J2000

17h 53m 23s
-34° 53’ 43”

Galactic Coordinates

355.72°
-4.47°

Finder Chart

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Finder chart for HR6658.

Magnitude, Color, Spectral Class

5.6
Giant

-1.95
K3III
4430K

The red dot in the diagram below shows where HR6658 is situated in the Hertzsprung–Russell diagram.

HR Diagram
H-R diagram showing the position of HR6658. Attribution: Richard Powell / CC BY-SA

Star System Properties

HR6658 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 HR6658 double sysyem:

5.6
5.7
0.1
0.4 arcsec

Distance, Radial Speed, Proper Motion

HR6658 is distant 1,055.02 light years from the Sun and it is moving towards the Sun at the speed of 7 kilometers per second.

323.62
1,055.02
-7 km/s
-0.009 arcsec/y
-0.01"/y

Alternative Designations

SAO209416
SAO209416

Visibility from Your Location

Today's HR6658 rise, transit and set times from Greenwich, UK are the following (all times relative to the local timezone Europe/London):

Azimuth: 124.9°
Max altitude: 3.6°
Azimuth: 235.1°